Table 6.1 Ranked Monthly FDD Accumulations at Duluth, MN.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 58. 1960 400. 1984 937. 1912 1217. 1936 985. 1923 574. 1950 99. 1
2 1918 52. 1986 386. 1986 900. 1982 1094. 1904 895. 1899 524. 1907 34. 2
3 1906 41. 1996 344. 1925 878. 1929 1071. 1917 848. 1965 504. 1975 29. 3
4 1914 41. 1956 331. 1990 864. 1994 1059. 1914 821. 1950 488. 1920 9. 4
5 1977 31. 1997 331. 1918 857. 1966 1030. 1989 797. 1955 481. 1909 -4. 5
6 1920 29. 1952 319. 2001 854. 1977 995. 1967 792. 1913 468. 1972 -36. 6
7 1937 25. 1920 319. 1977 851. 1972 986. 1979 754. 1960 463. 1928 -38. 7
8 1989 24. 1912 319. 1928 823. 1979 977. 1988 747. 1932 455. 1917 -38. 8
9 1924 23. 1951 306. 1920 819. 1971 976. 1923 745. 1972 439. 1936 -40. 9
10 1912 20. 1977 295. 1959 801. 1918 970. 1972 743. 1943 434. 1914 -50. 10
11 1997 19. 1992 294. 1973 770. 1950 970. 1913 738. 1975 430. 1956 -52. 11
12 1994 19. 1948 293. 1951 751. 1963 965. 1900 733. 1951 430. 1996 -62. 12
13 1907 18. 1930 292. 1965 734. 1957 956. 1965 731. 1984 429. 1962 -65. 13
14 1985 18. 1927 286. 1956 731. 1924 956. 1916 722. 2002 420. 1904 -67. 14
15 1952 16. 1922 286. 1934 727. 1930 929. 1939 722. 1912 416. 1979 -72. 15
16 1934 16. 1979 283. 1917 722. 1959 925. 1899 718. 1906 416. 1966 -81. 16
17 1943 13. 1936 265. 1915 702. 1996 923. 1994 711. 1904 410. 1953 -86. 17
18 1927 11. 1990 259. 1964 695. 1970 918. 1933 709. 1916 407. 1995 -88. 18
19 1955 11. 1937 252. 1904 693. 1907 914. 1929 704. 1989 401. 1939 -94. 19
20 1992 11. 1934 252. 1979 680. 1936 911. 1963 698. 1956 392. 1983 -95. 20
21 1933 11. 1928 252. 1927 677. 1920 900. 1962 686. 1926 391. 1961 -99. 21
22 1909 9. 1911 245. 1935 661. 1917 893. 1922 682. 1996 387. 1982 -112. 22
23 1942 7. 1987 241. 1952 653. 1962 891. 1949 679. 1964 380. 1997 -113. 23
24 1931 7. 1933 241. 1997 651. 1937 887. 1912 675. 1980 380. 1935 -113. 24
25 1950 5. 1983 239. 1978 644. 1954 871. 2001 674. 1954 369. 1947 -124. 25
26 1935 5. 1904 239. 1974 634. 1904 857. 1910 662. 1949 365. 1945 -128. 26
27 1929 5. 1941 229. 1981 632. 1976 846. 1970 661. 1934 358. 1918 -130. 27
28 1973 4. 1898 229. 1923 628. 1988 839. 1968 657. 1974 355. 1992 -131. 28
29 1993 4. 1978 227. 1976 626. 1911 839. 1905 648. 1940 355. 1933 -135. 29
30 1940 4. 1957 225. 1946 626. 1978 835. 1934 635. 1982 347. 1924 -139. 30
31 1919 4. 1994 224. 1969 625. 1965 833. 1959 628. 1970 338. 1954 -140. 31
32 1913 2. 1965 223. 1933 619. 1916 833. 1980 617. 1952 338. 1967 -148. 32
33 1953 0. 1998 222. 1910 612. 1935 832. 1948 614. 1900 331. 1951 -148. 33
34 1954 0. 1939 218. 1996 611. 1951 830. 1955 612. 1969 329. 1926 -149. 34
35 1956 0. 1901 214. 1943 610. 1943 819. 1946 610. 1944 320. 1989 -151. 35
36 1957 0. 1944 205. 1961 608. 1905 819. 1956 610. 1971 317. 1922 -151. 36
37 1958 0. 1973 205. 1950 607. 1974 817. 1958 605. 1957 315. 1940 -153. 37
38 1959 0. 1967 203. 1991 600. 1991 810. 1947 603. 1976 311. 1937 -153. 38
39 1960 0. 1959 202. 1971 599. 1997 803. 1978 601. 1937 299. 1944 -155. 39
40 1961 0. 1938 189. 1926 598. 1913 796. 1982 601. 1939 292. 2002 -164. 40
41 1962 0. 1899 187. 1911 596. 1985 791. 1918 596. 1979 279. 1934 -164. 41
42 1963 0. 1970 184. 1962 594. 1948 787. 1901 592. 1908 277. 1993 -165. 42
43 1964 0. 1966 182. 1985 584. 1984 773. 1906 590. 1948 274. 1923 -166. 43
44 1965 0. 1947 182. 1967 576. 1969 761. 1974 590. 1917 272. 1932 -171. 44
45 1966 0. 1976 178. 1963 576. 1952 760. 1957 583. 1914 268. 1959 -171. 45
46 1967 0. 1917 173. 1899 574. 1927 758. 1996 580. 1997 263. 1916 -173. 46
47 1968 0. 2001 173. 1930 572. 1961 749. 1898 578. 1919 248. 1974 -176. 47
48 1969 0. 1968 173. 1989 567. 1940 742. 1986 575. 1936 248. 1965 -178. 48
49 1970 0. 1971 171. 1938 567. 1938 725. 1907 574. 1933 247. 1911 -184. 49
50 1971 0. 1925 167. 1949 563. 1980 724. 1985 573. 1941 239. 1943 -185. 50
51 1972 0. 1958 166. 1947 562. 1922 722. 1920 569. 1962 239. 1905 -187. 51
52 1974 0. 1946 153. 1898 553. 1968 711. 1995 563. 1947 234. 1971 -187. 52
53 1975 0. 1949 149. 1905 547. 1899 711. 1975 560. 1988 230. 2000 -187. 53
54 1976 0. 1931 146. 1972 536. 1915 707. 1937 558. 1907 229. 1978 -189. 54
55 1978 0. 1972 144. 1902 536. 1999 702. 1966 553. 1967 229. 1973 -191. 55
56 1979 0. 1921 140. 1907 535. 1945 697. 1950 551. 2001 226. 1927 -194. 56
57 1980 0. 1916 140. 1982 533. 1975 697. 1971 544. 1921 225. 1960 -198. 57
58 1981 0. 1975 135. 1922 527. 1925 693. 1953 542. 1901 225. 1912 -202. 58
59 1982 0. 1953 133. 1945 527. 1955 686. 1960 536. 1909 221. 1964 -202. 59
60 1983 0. 1993 133. 1957 515. 1909 680. 1951 535. 1930 221. 1970 -202. 60
61 1984 0. 1915 131. 1936 513. 1960 668. 1909 529. 1928 218. 1908 -203. 61
62 1986 0. 1974 128. 1948 508. 2000 665. 1932 513. 1915 214. 1929 -207. 62
63 1987 0. 1907 128. 1954 508. 1928 657. 1973 513. 1953 209. 1938 -207. 63
64 1988 0. 1969 121. 1939 504. 1967 648. 1944 509. 1924 209. 1957 -212. 64
65 1990 0. 1926 115. 1909 500. 1949 641. 1919 508. 1959 207. 1981 -216. 65
66 1991 0. 1950 112. 1993 495. 1953 639. 1928 506. 1935 205. 1902 -218. 66
Table 6.1 cont. Ranked Monthly FDD Accumulations at Duluth, MN.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1995 0. 1985 109. 1992 492. 1946 637. 1941 493. 1978 200. 1919 -218. 67
68 1996 0. 1981 108. 1903 490. 1926 637. 1903 493. 1983 200. 1994 -234. 68
69 1998 0. 1902 101. 1968 486. 1973 634. 1969 491. 1998 194. 1899 -236. 69
70 1999 0. 1962 101. 1994 462. 1986 630. 1943 486. 1925 185. 1903 -241. 70
71 2000 0. 1943 99. 1937 461. 1981 625. 1945 486. 1905 185. 2001 -242. 71
72 2001 0. 1905 92. 1970 452. 1903 616. 1997 484. 1922 184. 1988 -249. 72
73 2002 0. 1984 92. 1958 448. 1993 615. 1993 484. 1992 184. 1898 -250. 73
74 1898 0. 1989 91. 1913 439. 1956 610. 1990 474. 1920 184. 1968 -252. 74
75 1899 0. 1980 88. 1944 434. 1923 592. 1925 470. 1991 178. 1990 -252. 75
76 1900 0. 1908 86. 1999 423. 1901 590. 1927 464. 1958 162. 1913 -252. 76
77 1901 0. 1954 83. 1916 412. 1983 583. 1908 459. 1966 151. 1969 -259. 77
78 1902 0. 1991 82. 1987 409. 1910 576. 1964 455. 1993 148. 1930 -261. 78
79 1903 0. 1988 82. 1941 407. 1941 574. 1942 446. 1990 143. 1901 -263. 79
80 1904 0. 1995 80. 1931 407. 1995 561. 1926 443. 1931 140. 1921 -266. 80
81 1905 0. 1982 72. 1900 401. 1989 544. 1981 439. 1963 140. 1948 -270. 81
82 1908 0. 1923 72. 1955 394. 1908 533. 1911 434. 1999 124. 1963 -272. 82
83 1910 0. 1910 72. 1921 392. 1947 526. 1977 414. 1981 115. 1910 -272. 83
84 1911 0. 1932 70. 1975 391. 1987 519. 1924 414. 1911 113. 1958 -275. 84
85 1915 0. 1919 67. 1901 387. 1939 518. 1902 391. 1995 113. 1980 -283. 85
86 1916 0. 1913 61. 1908 385. 1934 518. 1938 387. 1986 111. 1999 -291. 86
87 1917 0. 1945 58. 1983 385. 1914 517. 1940 387. 1929 110. 1949 -295. 87
88 1921 0. 1955 50. 2000 371. 1958 506. 1930 373. 1994 100. 1925 -299. 88
89 1922 0. 1929 47. 1906 369. 1998 499. 1921 367. 1961 83. 1985 -302. 89
90 1923 0. 1906 47. 1912 364. 1921 473. 1952 367. 1903 56. 1986 -302. 90
91 1925 0. 1961 47. 1929 358. 1906 472. 1991 349. 1985 54. 1931 -302. 91
92 1928 0. 1942 43. 1988 354. 1964 470. 1935 344. 1898 43. 1984 -312. 92
93 1930 0. 1964 40. 1966 338. 1992 469. 1961 344. 1927 43. 1976 -317. 93
94 1932 0. 1903 40. 1953 337. 1942 468. 1976 328. 1918 20. 1946 -324. 94
95 1936 0. 2002 30. 1995 324. 1902 463. 1915 320. 1977 18. 1991 -329. 95
96 1938 0. 1935 18. 1980 302. 1932 452. 2000 310. 1902 13. 1906 -338. 96
97 1939 0. 1918 16. 1942 297. 2001 447. 1992 309. 1987 13. 1941 -362. 97
98 1941 0. 2000 15. 2002 297. 1933 445. 1983 308. 1942 11. 1952 -371. 98
99 1944 0. 1999 12. 1998 291. 1919 441. 1999 291. 1973 5. 1977 -373. 99
100 1945 0. 1909 7. 1960 263. 2002 433. 2002 288. 1968 0. 1942 -376. 100
101 1946 0. 1924 4. 1919 261. 1900 423. 1984 245. 1938 -23. 1900 -380. 101
102 1947 0. 1963 0. 1924 248. 1990 405. 1987 234. 2000 -65. 1998 -382. 102
103 1948 0. 1900 0. 1914 200. 1898 403. 1954 232. 1945 -81. 1955 -409. 103
104 1949 0. 1940 -4. 1940 189. 1931 380. 1931 164. 1946 -115. 1915 -409. 104
105 1951 0. 1914 -40. 1932 166. 1944 317. 1998 82. 1910 -169. 1987 -422. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1952 319. 2001 854. 1977 995. 1967 792. 1913 468. 1972 -36.
Normal 1911 245. 1935 661. 1917 893. 1922 682. 1996 387. 1982 -112.
Below Normal 1919 67. 1901 387. 1939 518. 1902 391. 1995 113. 1980 -283.
Mild 1924 4. 1919 261. 1900 423. 1984 245. 1938 -23. 1900 -380.
-------------------------------------------------------------------------------------
Table 6.2 Ranked Monthly FDD Accumulations at Sault Ste. Marie, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 20. 1934 265. 1990 762. 1912 988. 1904 857. 1923 565. 1907 92. 1
2 1914 14. 1937 230. 1977 686. 1994 970. 1934 833. 1899 529. 1950 72. 2
3 1907 11. 1996 198. 1918 648. 1918 891. 1917 806. 1916 493. 1926 52. 3
4 1981 9. 1960 187. 1984 647. 1920 848. 1936 790. 1943 477. 1923 52. 4
5 1940 7. 1904 175. 1959 641. 1982 846. 1979 751. 1912 455. 1982 9. 5
6 1924 5. 1977 166. 1981 596. 1977 797. 1963 727. 1926 450. 1975 -13. 6
7 1909 5. 1930 164. 1920 581. 1904 781. 1914 722. 1934 448. 1928 -16. 7
8 1912 5. 1952 160. 2001 569. 1963 769. 1913 707. 1906 446. 1996 -17. 8
9 1955 4. 1990 150. 1925 562. 1945 769. 1967 682. 1900 439. 1936 -20. 9
10 1906 4. 1979 148. 1986 560. 1984 767. 1912 679. 1960 430. 1909 -31. 10
11 1997 4. 1948 144. 1905 536. 1924 738. 1899 668. 1950 410. 1947 -34 11
12 1950 4. 1957 137. 1934 522. 1957 729. 1994 668. 1972 407. 1943 -50. 12
13 1994 3. 1912 133. 1911 511. 1981 720. 1962 662. 1939 407. 1972 -56. 13
14 1918 2. 1898 133. 1927 493. 1979 716. 1907 657. 1989 386. 1917 -56. 14
15 1933 2. 1956 124. 1943 490. 1971 697. 1918 653. 1940 385. 1914 -59. 15
16 1985 1. 1927 122. 1996 487. 1970 695. 1923 650. 1996 378. 1934 -59. 16
17 1989 1. 1965 113. 1964 486. 1929 693. 1905 639. 1913 376. 1939 -61. 17
18 1921 0. 1933 113. 1930 473. 1948 693. 1974 630. 1944 373. 1920 -63. 18
19 1922 0. 1901 110. 1961 473. 1976 671. 1910 626. 1984 371. 1904 -77. 19
20 1923 0. 1968 110. 1904 472. 1962 668. 1959 623. 1956 369. 1995 -80. 20
21 1925 0. 1987 109. 1946 468. 1966 668. 1972 617. 1970 367. 1956 -83. 21
22 1927 0. 1978 108. 1963 464. 1996 663. 1920 617. 1955 365. 1978 -94. 22
23 1928 0. 1950 108. 1956 461. 1927 662. 1929 617. 1971 362. 1908 -103. 23
24 1929 0. 1997 106. 1971 455. 1961 661. 1968 617. 1978 360. 1944 -110. 24
25 1930 0. 1920 104. 1907 455. 1917 661. 1970 612. 1975 344. 1971 -115. 25
26 1931 0. 1941 101. 1965 452. 1978 657. 1916 592. 1932 340. 1992 -115. 26
27 1932 0. 1959 101. 1979 439. 1923 648. 1901 590. 1928 337. 1912 -117. 27
28 1934 0. 1931 101. 1952 432. 1959 646. 1939 589. 1917 335. 1965 -117. 28
29 1935 0. 1922 99. 1936 428. 1954 644. 1928 585. 1937 335. 1905 -117. 29
30 1936 0. 1917 97. 1969 425. 1925 641. 1978 585. 1901 329. 1967 -119. 30
31 1937 0. 1981 95. 1935 425. 1943 641. 1982 581. 1905 326. 1959 -122. 31
32 1938 0. 1918 88. 1917 423. 1907 639. 1908 581. 1967 324. 1924 -133. 32
33 1939 0. 1975 86. 1951 419. 1997 638. 1989 578. 1982 322. 1932 -135. 33
34 1941 0. 1944 86. 1973 414. 1905 637. 1924 576. 1904 322. 1994 -135. 34
35 1942 0. 1939 85. 1944 412. 1968 635. 1958 576. 1954 320. 1954 -140. 35
36 1943 0. 1976 85. 1967 407. 1930 634. 1900 576. 1974 317. 1940 -140. 36
37 1944 0. 1915 85. 1938 407. 1935 632. 1980 569. 1948 311. 1953 -144. 37
38 1945 0. 1902 81. 1898 407. 1899 630. 1988 568. 1992 308. 1979 -148. 38
39 1946 0. 1986 81. 1915 405. 1985 624. 1995 563. 1965 302. 1983 -149. 39
40 1947 0. 1951 81. 1974 405. 1965 619. 1996 561. 1914 302. 1997 -150. 40
41 1948 0. 1970 79. 1923 398. 1938 619. 1993 558. 2002 299. 1989 -155. 41
42 1949 0. 1994 78. 1899 396. 1922 617. 1946 556. 1980 295. 1993 -156. 42
43 1951 0. 1946 76. 1945 396. 1940 617. 1922 549. 1908 295. 1922 -158. 43
44 1952 0. 1972 74. 1900 391. 1986 602. 1965 538. 1911 293. 1930 -164. 44
45 1953 0. 1928 70. 1989 390. 1936 594. 1985 536. 1964 292. 1960 -166. 45
46 1954 0. 1905 68. 1903 387. 1991 587. 1971 531. 1941 292. 1918 -167. 46
47 1956 0. 1969 68. 1928 387. 1999 575. 1948 529. 1959 290. 1961 -169. 47
48 1957 0. 1947 65. 1970 385. 1972 565. 1906 527. 1976 284. 1946 -171. 48
49 1958 0. 1925 65. 1976 380. 1988 563. 1935 513. 1909 284. 1916 -171. 49
50 1959 0. 1923 63. 1978 378. 1911 554. 1950 506. 1969 281. 1962 -175. 50
51 1960 0. 1971 63. 1902 378. 1974 551. 1947 500. 1963 279. 1966 -176. 51
52 1961 0. 1906 63. 1947 376. 1941 549. 1926 500. 1949 277. 1974 -176. 52
53 1962 0. 1995 61. 1957 374. 2000 548. 1977 499. 1988 274. 1969 -178. 53
54 1963 0. 1926 58. 1948 364. 1951 545. 1973 488. 1997 274. 1911 -180. 54
55 1964 0. 1982 58. 1926 364. 1942 542. 1942 481. 1930 270. 1919 -180. 55
56 1965 0. 1899 56. 1962 360. 1915 542. 1933 479. 1952 263. 1964 -180. 56
57 1966 0. 1993 56. 1985 353. 1980 526. 1986 475. 1947 261. 2002 -184. 57
58 1967 0. 1936 50. 1922 349. 1969 515. 2001 466. 1920 247. 1933 -189. 58
59 1968 0. 1911 50. 1910 347. 1950 515. 1909 463. 1933 247. 1899 -191. 59
60 1969 0. 1943 50. 1955 337. 1928 504. 1927 452. 1925 230. 1957 -193. 60
61 1970 0. 1983 50. 1909 326. 1983 500. 1925 450. 1915 221. 1931 -196. 61
62 1971 0. 1945 49. 1916 324. 1910 499. 1930 441. 1907 216. 1927 -196. 62
63 1972 0. 1953 49. 1994 323. 1946 497. 1955 441. 1957 214. 1937 -200. 63
64 1973 0. 1988 48. 1982 320. 1939 495. 1943 439. 2001 209. 1938 -203. 64
65 1974 0. 1958 47. 1992 318. 1898 493. 1944 439. 1922 209. 1985 -205. 65
66 1975 0. 1973 47. 1908 313. 1975 491. 1964 436. 1994 206. 1970 -207. 66
Table 6.2 cont. Ranked Monthly FDD Accumulations at Sault Ste. Marie, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1976 0. 1938 47. 1972 308. 1908 490. 1960 428. 1936 205. 1898 -216. 67
68 1977 0. 1921 45. 1931 308. 1901 490. 1945 427. 1918 203. 1981 -220. 68
69 1978 0. 2001 45. 1968 302. 1926 488. 1903 427. 1935 202. 1913 -221. 69
70 1979 0. 1984 44. 1950 302. 1903 484. 1938 425. 1986 193. 1903 -223. 70
71 1980 0. 1967 43. 1991 296. 1956 482. 1957 425. 1951 193. 1963 -223. 71
72 1982 0. 1903 41. 1901 288. 1909 481. 1911 421. 1985 171. 1988 -223. 72
73 1983 0. 1913 41. 1933 288. 1955 475. 1992 415. 1924 171. 1902 -227. 73
74 1984 0. 1966 41. 1949 279. 1992 471. 1951 414. 1961 169. 1945 -227. 74
75 1986 0. 1998 40. 1999 270. 1916 464. 1902 412. 1968 166. 1935 -229. 75
76 1987 0. 1908 40. 1997 262. 1993 463. 1940 409. 1993 164. 1973 -234. 76
77 1988 0. 1985 38. 1941 259. 1958 461. 1956 401. 1990 163. 1929 -239. 77
78 1990 0. 1942 32. 1958 257. 1902 461. 1898 400. 1921 160. 1977 -239. 78
79 1991 0. 1929 31. 1942 256. 1947 457. 1997 397. 1999 158. 1948 -241. 79
80 1992 0. 1919 29. 1993 254. 1967 455. 1975 394. 1979 155. 1976 -241. 80
81 1993 0. 1980 27. 1954 254. 1914 455. 1990 393. 1931 153. 1949 -241. 81
82 1995 0. 1910 22. 1980 248. 1952 452. 1937 392. 1953 149. 1906 -245. 82
83 1996 0. 1962 22. 1939 245. 1913 445. 1941 383. 1938 149. 1951 -248. 83
84 1998 0. 1964 20. 1975 243. 1960 427. 1969 382. 1981 148. 2000 -251. 84
85 1999 0. 1992 20. 1913 241. 1931 425. 1976 382. 1991 146. 2001 -267. 85
86 2000 0. 2002 18. 1937 236. 1949 425. 1981 378. 1919 144. 1980 -272. 86
87 2001 0. 1932 16. 1983 234. 1937 423. 1949 378. 1983 139. 1990 -281. 87
88 2002 0. 1961 14. 2000 226. 1998 419. 1932 364. 1962 133. 1968 -281. 88
89 1898 0. 1954 13. 1906 220. 1953 409. 1961 362. 1942 119. 1958 -281. 89
90 1899 0. 1940 13. 1960 218. 1973 398. 1966 362. 1929 117. 1925 -288. 90
91 1900 0. 1949 13. 1919 209. 1934 398. 1991 358. 1966 112. 1910 -297. 91
92 1901 0. 1989 10. 1921 207. 1989 380. 1952 356. 1995 108. 1952 -304. 92
93 1902 0. 1916 7. 1940 207. 1921 378. 1953 355. 1977 106. 1901 -324. 93
94 1903 0. 1991 6. 1987 194. 1900 373. 1919 340. 1998 91. 1921 -328. 94
95 1904 0. 1907 4. 1914 185. 1987 372. 1915 333. 1898 90. 1991 -333. 95
96 1905 0. 1974 2. 1998 182. 2001 365. 1921 331. 1927 77. 1900 -338. 96
97 1908 0. 1900 0. 1988 179. 1919 358. 1931 315. 1987 71. 1986 -345. 97
98 1910 0. 1935 0. 1912 171. 1964 355. 1983 310. 1910 58. 1999 -353. 98
99 1911 0. 1955 0. 1966 164. 1995 339. 1987 279. 1903 27. 1942 -355. 99
100 1913 0. 1963 0. 1929 158. 1906 308. 2000 268. 1958 27. 1915 -362. 100
101 1915 0. 1999 0. 1953 146. 1933 293. 1999 266. 1902 -2. 1984 -367. 101
102 1916 0. 2000 0. 1932 121. 1944 259. 2002 264. 1945 -68. 1998 -367. 102
103 1917 0. 1909 -5. 1924 94. 1990 258. 1984 218. 2000 -71. 1955 -371. 103
104 1919 0. 1924 -7. 2002 94. 2002 253. 1954 214. 1973 -92. 1941 -401. 104
105 1920 0. 1914 -14. 1995 76. 1932 155. 1998 72. 1946 -101. 1987 -417. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1977 166. 1981 596. 1977 797. 1963 727. 1926 450. 1982 9.
Normal 1978 108. 1963 464. 1996 663. 1920 617. 1955 365. 1956 -83.
Below Normal 1992 20. 1913 241. 1931 425. 1976 382. 1991 146. 2000 -251.
Mild 1999 0. 1953 146. 1933 293. 1999 266. 1902 -2. 1915 -362.
-------------------------------------------------------------------------------------
Table 6.3 Ranked Monthly FDD Accumulations at Houghton, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 32. 1952 320. 1977 641. 1912 1024. 1904 828. 1899 545. 1907 83. 1
2 1906 18. 1960 277. 1990 629. 1994 841. 1936 805. 1923 531. 1950 47. 2
3 1955 16. 1996 234. 1984 623. 1977 828. 1917 805. 1943 450. 1972 -7. 3
4 1994 9. 1948 223. 1918 603. 1920 799. 1979 724. 1972 448. 1996 -7. 4
5 1914 9. 1951 220. 1920 603. 1948 797. 1963 706. 1916 446. 1975 -22. 5
6 1907 9. 1898 196. 2001 599. 1963 796. 1914 693. 1912 446. 1909 -23. 6
7 1997 9. 1977 193. 1925 594. 1918 785. 1929 691. 1960 445. 1920 -31. 7
8 1924 7. 1930 184. 1959 587. 1979 743. 1967 684. 1965 441. 1936 -40. 8
9 1912 7. 1986 180. 1986 568. 1929 743. 1899 671. 1926 432. 1995 -43. 9
10 1989 6. 1990 170. 1964 522. 1924 742. 1900 662. 1984 427. 1926 -45. 10
11 1918 5. 1934 167. 1973 518. 1959 734. 1913 653. 1906 425. 1956 -49. 11
12 1952 5. 1979 160. 1951 513. 1957 724. 1923 643. 2002 423. 1928 -52. 12
13 1950 4. 1937 157. 1928 504. 1982 686. 1994 642. 1913 423. 1917 -54. 13
14 1985 4. 1987 156. 1952 491. 1972 680. 1972 639. 1950 414. 1953 -61. 14
15 1927 2. 1997 153. 1934 484. 1930 675. 1916 617. 1996 412. 1904 -63. 15
16 1909 2. 1933 153. 1961 484. 1971 675. 1934 616. 1900 398. 1982 -65. 16
17 1967 2. 1957 151. 1956 482. 1951 673. 1970 612. 1955 396. 1939 -72. 17
18 1931 2. 1912 151. 1904 482. 1970 662. 1905 610. 1964 380. 1966 -74. 18
19 1992 1. 1965 148. 1917 479. 1966 662. 1901 610. 1932 371. 1962 -79. 19
20 1923 0. 1927 140. 1965 475. 1904 652. 1959 610. 1956 364. 2002 -81. 20
21 1925 0. 1968 139. 1963 466. 1950 648. 1965 603. 1989 363. 1979 -83. 21
22 1928 0. 1956 137. 1927 459. 1962 644. 1918 596. 1954 349. 1965 -85. 22
23 1929 0. 1992 132. 1979 457. 1961 632. 1948 592. 1970 349. 1914 -86. 23
24 1930 0. 1920 130. 1981 455. 1917 632. 1912 590. 1904 340. 1983 -86. 24
25 1932 0. 1978 126. 1915 454. 1984 631. 1989 582. 1934 329. 1954 -95. 25
26 1933 0. 1959 122. 1949 445. 1943 621. 1968 580. 1969 328. 1947 -97. 26
27 1934 0. 1922 121. 1996 425. 1976 616. 1988 580. 1951 319. 1923 -104. 27
28 1935 0. 1901 121. 1976 418. 1907 610. 1962 580. 1944 317. 1993 -106. 28
29 1936 0. 1958 119. 1923 418. 1996 609. 1907 578. 1937 315. 1961 -108. 29
30 1937 0. 1950 115. 1974 414. 1965 608. 1995 574. 1947 315. 1992 -108. 30
31 1938 0. 1970 115. 1946 412. 1927 601. 1920 567. 1914 313. 1978 -110. 31
32 1939 0. 1904 112. 1933 405. 1905 590. 1974 563. 1971 313. 1943 -112. 32
33 1940 0. 1983 112. 1989 401. 1991 590. 1985 555. 1940 306. 1971 -113. 33
34 1941 0. 1917 108. 1943 398. 1954 587. 1910 554. 1980 304. 1967 -117. 34
35 1942 0. 1973 108. 1898 398. 1974 585. 1996 537. 1948 297. 1935 -119. 35
36 1943 0. 1998 106. 1948 398. 1922 583. 1982 536. 1901 292. 1933 -121. 36
37 1944 0. 1976 106. 1899 396. 1985 582. 1933 535. 1974 292. 1989 -123. 37
38 1945 0. 1994 105. 1905 392. 1937 578. 1958 531. 1939 290. 1997 -123. 38
39 1946 0. 1931 101. 1950 391. 1945 576. 1980 529. 1917 288. 1959 -124. 39
40 1947 0. 1941 99. 1926 389. 1915 576. 1928 518. 1941 286. 1932 -124. 40
41 1948 0. 2001 97. 1978 387. 1968 574. 1951 513. 1982 279. 1940 -124. 41
42 1949 0. 1939 95. 1967 385. 1988 571. 1947 509. 1997 279. 1934 -130. 42
43 1951 0. 1928 94. 1930 383. 1935 569. 1978 508. 1957 275. 1924 -130. 43
44 1953 0. 1947 94. 1935 382. 1899 562. 1946 508. 1975 275. 1944 -137. 44
45 1954 0. 1967 92. 1962 380. 1997 559. 1922 500. 1933 275. 1970 -142. 45
46 1956 0. 1899 92. 1902 380. 1978 556. 1950 499. 1959 275. 1912 -144. 46
47 1957 0. 1971 92. 1911 378. 1936 547. 1939 486. 1979 274. 1916 -144. 47
48 1958 0. 1966 85. 1991 374. 1999 540. 1906 482. 1967 272. 1964 -146. 48
49 1959 0. 1938 83. 1900 373. 1911 536. 1957 479. 1963 266. 1994 -147. 49
50 1960 0. 1972 81. 1938 371. 1952 524. 1955 479. 1949 265. 1974 -151. 50
51 1961 0. 1944 77. 1985 367. 1940 517. 1971 477. 1908 259. 1960 -153. 51
52 1962 0. 1936 76. 1969 365. 1916 509. 2001 471. 1978 257. 1918 -158. 52
53 1963 0. 1943 74. 1971 362. 1913 509. 1986 465. 1952 257. 1905 -162. 53
54 1964 0. 1953 72. 1997 361. 1925 508. 1966 459. 2001 256. 1937 -164. 54
55 1965 0. 1993 71. 1907 360. 1980 508. 1949 459. 1909 254. 1945 -166. 55
56 1966 0. 1975 70. 1910 351. 1981 504. 1943 457. 1905 252. 1951 -169. 56
57 1968 0. 1995 68. 1945 349. 1955 497. 1977 457. 1928 247. 1908 -176. 57
58 1969 0. 1980 67. 1957 342. 1938 495. 1993 455. 1992 243. 1922 -184. 58
59 1970 0. 1915 61. 1909 340. 1967 495. 1960 450. 1976 239. 2000 -187. 59
60 1971 0. 1905 59. 1903 335. 1926 486. 1909 446. 1930 239. 1919 -191. 60
61 1972 0. 1902 59. 1970 333. 1901 486. 1926 437. 1988 235. 1957 -191. 61
62 1973 0. 1969 58. 1944 333. 1923 481. 1925 437. 1925 225. 1963 -200. 62
63 1974 0. 1911 58. 1972 331. 1909 477. 1956 437. 1920 221. 1902 -202. 63
64 1975 0. 1988 58. 1958 329. 1975 475. 1973 434. 1915 221. 2001 -202. 64
65 1976 0. 1984 57. 1968 328. 2000 474. 1908 430. 1993 214. 1973 -203. 65
66 1977 0. 1946 56. 1992 325. 1953 472. 1953 423. 1953 207. 1927 -203. 66
Table 6.3 cont. Ranked Monthly FDD Accumulations at Houghton, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1978 0. 1925 56. 1955 319. 1986 471. 1903 419. 1907 189. 1988 -207. 67
68 1979 0. 1981 54. 1982 319. 1946 464. 1945 414. 1962 189. 1911 -216. 68
69 1980 0. 1921 52. 1947 319. 1960 464. 1964 414. 1983 185. 1958 -218. 69
70 1981 0. 1962 52. 1993 318. 1947 457. 1997 413. 1936 184. 1898 -220. 70
71 1982 0. 1949 49. 1922 317. 1902 457. 1942 412. 1924 178. 1903 -220. 71
72 1983 0. 1918 41. 1936 306. 1910 454. 1927 409. 1921 175. 1899 -221. 72
73 1984 0. 1926 41. 1994 301. 1928 452. 1924 394. 1919 169. 1969 -223. 73
74 1986 0. 1954 40. 1901 299. 1903 443. 1969 392. 1961 160. 1968 -227. 74
75 1987 0. 1982 38. 1954 293. 1969 441. 1932 385. 1935 157. 1930 -227. 75
76 1988 0. 1913 36. 1913 292. 1993 441. 1944 383. 1966 157. 1929 -234. 76
77 1990 0. 1991 36. 1931 286. 1949 439. 1898 383. 1991 150. 1980 -238. 77
78 1991 0. 1919 34. 1999 284. 1941 421. 1937 378. 1994 147. 1981 -239. 78
79 1993 0. 1942 32. 1908 281. 1983 410. 1930 374. 1958 144. 1984 -246. 79
80 1995 0. 1923 31. 2000 276. 1992 401. 1990 370. 1929 142. 1913 -252. 80
81 1996 0. 1908 31. 1916 275. 1908 398. 1941 369. 1931 140. 1931 -254. 81
82 1998 0. 1903 29. 1983 259. 1956 398. 1975 367. 1981 135. 1946 -257. 82
83 1999 0. 1916 27. 1987 252. 1973 396. 1981 364. 1922 133. 1938 -263. 83
84 2000 0. 1964 27. 1939 248. 1942 394. 1952 362. 1986 131. 1976 -279. 84
85 2001 0. 1929 27. 1966 236. 1958 392. 1935 351. 1968 124. 1990 -292. 85
86 2002 0. 1932 25. 1980 236. 1900 382. 1921 335. 1911 121. 1999 -295. 86
87 1898 0. 1945 25. 1937 234. 1995 381. 1961 331. 1995 110. 1985 -299. 87
88 1899 0. 1906 25. 1941 232. 1939 364. 1991 321. 1998 110. 1906 -301. 88
89 1900 0. 1961 23. 1975 230. 1898 364. 1938 315. 1942 94. 1977 -311. 89
90 1901 0. 1989 20. 1953 218. 1914 358. 1902 313. 1990 92. 1925 -317. 90
91 1902 0. 2002 16. 1921 216. 1933 347. 1940 297. 1999 86. 1921 -317. 91
92 1903 0. 1907 14. 1906 214. 1989 342. 1992 294. 1985 85. 1986 -318. 92
93 1904 0. 1974 13. 1929 198. 1921 342. 1976 288. 1898 72. 1901 -319. 93
94 1905 0. 1985 11. 1960 185. 1998 341. 1919 284. 1927 68. 1910 -326. 94
95 1908 0. 2000 9. 1988 183. 1964 340. 1911 274. 1918 67. 1952 -331. 95
96 1910 0. 1955 5. 1912 173. 1987 336. 1915 256. 1903 38. 1991 -337. 96
97 1911 0. 1924 5. 1942 164. 1934 329. 2000 246. 1977 34. 1948 -351. 97
98 1913 0. 1935 4. 2002 163. 1931 328. 1983 245. 1987 30. 1949 -365. 98
99 1915 0. 1910 2. 1919 162. 2002 308. 1954 236. 1938 25. 1941 -367. 99
100 1916 0. 1999 0. 1998 155. 2001 299. 1999 234. 1902 11. 1955 -371. 100
101 1917 0. 1909 0. 1995 146. 1906 279. 2002 233. 1973 -29. 1998 -378. 101
102 1919 0. 1900 0. 1914 128. 1990 274. 1931 203. 2000 -50. 1900 -403. 102
103 1920 0. 1940 0. 1940 106. 1919 272. 1987 184. 1945 -94. 1942 -403. 103
104 1921 0. 1963 0. 1924 79. 1944 236. 1984 184. 1946 -108. 1915 -409. 104
105 1922 0. 1914 -9. 1932 68. 1932 212. 1998 49. 1910 -135. 1987 -428. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1898 196. 2001 599. 1963 796. 1914 693. 1912 446. 1909 -23.
Normal 1956 137. 1927 459. 1962 644. 1918 596. 1954 349. 1965 -85.
Below Normal 1929 27. 1966 236. 1958 392. 1935 351. 1968 124. 1990 -292.
Mild 1909 0. 1995 146. 1906 279. 2002 233. 1973 -29. 1998 -378.
-------------------------------------------------------------------------------------
Table 6.4 Ranked Monthly FDD Accumulations at Marquette, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 27. 1996 269. 1977 729. 1912 950. 1904 742. 1899 504. 1907 65. 1
2 1989 19. 1977 254. 1984 722. 1994 904. 1936 733. 1984 469. 1972 31. 2
3 1906 13. 1987 223. 1990 704. 1977 887. 1917 718. 1923 452. 1975 9. 3
4 1994 11. 1986 212. 1986 693. 1982 846. 1967 711. 2002 433. 1996 7. 4
5 1977 9. 1990 209. 2001 591. 1979 819. 1979 704. 1972 427. 1950 -9. 5
6 1924 9. 1979 198. 1920 569. 1972 783. 1994 677. 1969 405. 1995 -12. 6
7 1997 9. 1960 196. 1973 567. 1971 761. 1989 660. 1971 396. 1909 -23. 7
8 1907 7. 1930 182. 1925 565. 1970 720. 1900 648. 1912 391. 1982 -23. 8
9 1955 5. 1978 173. 1979 553. 1984 716. 1972 648. 1989 389. 1920 -27. 9
10 1985 5. 1968 169. 1918 540. 1918 715. 1988 612. 1996 384. 1917 -40. 10
11 1952 5. 1997 160. 1981 513. 1963 709. 1968 608. 1916 382. 1983 -54. 11
12 1918 4. 1998 156. 1978 488. 1920 709. 1899 608. 1970 373. 1936 -61. 12
13 1914 4. 1970 153. 1996 486. 1976 689. 1974 598. 1900 362. 1947 -68. 13
14 1912 4. 1992 152. 1989 481. 1991 684. 1912 590. 1926 353. 1979 -72. 14
15 1950 4. 1934 149. 1976 477. 1929 677. 1934 590. 1906 351. 1926 -76. 15
16 1993 3. 1904 148. 1974 470. 1924 668. 1978 589. 1960 338. 1978 -77. 16
17 1940 2. 1898 142. 1904 455. 1996 665. 1913 585. 1975 335. 1993 -80. 17
18 1921 0. 1994 140. 1959 452. 1974 644. 1996 581. 1980 335. 1928 -83. 18
19 1922 0. 1948 135. 1991 431. 1985 642. 1970 580. 1978 331. 1992 -85. 19
20 1923 0. 1973 135. 1971 425. 1978 635. 1914 574. 1997 327. 1989 -88. 20
21 1925 0. 1933 124. 1934 423. 1999 627. 1963 569. 1943 326. 1914 -92. 21
22 1927 0. 1912 121. 1915 419. 1988 627. 1985 567. 1974 311. 1939 -94. 22
23 1928 0. 1976 115. 1928 419. 1904 610. 1982 558. 1934 311. 1971 -115. 23
24 1929 0. 1980 115. 1917 416. 1968 605. 1980 558. 1913 310. 1940 -117. 24
25 1930 0. 1983 112. 1985 414. 1959 603. 1923 554. 1950 295. 1997 -123. 25
26 1931 0. 1952 112. 1982 412. 1917 601. 1929 545. 1967 288. 1953 -126. 26
27 1932 0. 1927 110. 1964 407. 1957 590. 1971 538. 1940 286. 1956 -131. 27
28 1933 0. 1956 110. 1923 401. 1980 587. 1916 526. 1992 283. 1923 -133. 28
29 1934 0. 1937 108. 1927 400. 1997 586. 1901 524. 1937 277. 1934 -135. 29
30 1935 0. 1993 107. 1969 400. 1930 581. 1905 524. 1982 277. 2002 -136. 30
31 1936 0. 1901 104. 1963 391. 1899 576. 2001 504. 1904 274. 1974 -137. 31
32 1937 0. 1965 103. 1968 389. 1975 567. 1993 500. 1988 272. 1924 -142. 32
33 1938 0. 1920 101. 1972 383. 1981 562. 1918 499. 1939 270. 1935 -142. 33
34 1939 0. 1972 101. 1961 376. 1948 554. 1977 495. 1965 270. 1944 -146. 34
35 1941 0. 1922 97. 1992 371. 1962 553. 1962 488. 1932 266. 1994 -146. 35
36 1942 0. 1959 97. 1956 365. 1907 549. 1986 483. 1976 266. 1973 -146. 36
37 1943 0. 1931 97. 1910 360. 1986 547. 1907 479. 1944 259. 1967 -148. 37
38 1944 0. 1971 97. 1993 360. 1905 544. 1920 475. 1901 259. 1905 -149. 38
39 1945 0. 1981 95. 1970 360. 1967 542. 1995 472. 2001 251. 1933 -157. 39
40 1946 0. 1975 95. 1899 356. 1945 540. 1910 472. 1979 239. 1932 -157. 40
41 1947 0. 1957 94. 1898 356. 1943 527. 1939 466. 1933 227. 1943 -162. 41
42 1948 0. 1951 92. 1943 355. 1966 517. 1959 459. 1955 225. 1918 -164. 42
43 1949 0. 2001 89. 1951 347. 1927 513. 1973 457. 1998 222. 1961 -167. 43
44 1951 0. 1917 88. 1905 346. 1950 504. 1965 455. 1914 218. 1966 -173. 44
45 1953 0. 1995 88. 1926 344. 1937 497. 1933 454. 1948 214. 1937 -173. 45
46 1954 0. 1962 83. 1965 344. 1961 495. 1969 439. 1908 209. 1922 -178. 46
47 1956 0. 1939 81. 1994 343. 1965 493. 1958 436. 1956 209. 1970 -182. 47
48 1957 0. 1969 79. 1911 342. 1938 493. 1922 434. 1964 207. 1962 -182. 48
49 1958 0. 1941 79. 1938 342. 1915 490. 1997 419. 1917 207. 1912 -184. 49
50 1959 0. 1899 77. 1902 342. 1936 490. 1946 416. 1951 198. 1902 -185. 50
51 1960 0. 1938 76. 1946 340. 1935 486. 1975 414. 1941 196. 1965 -185. 51
52 1961 0. 1947 72. 1999 337. 1969 482. 1948 410. 1993 192. 1898 -189. 52
53 1962 0. 1982 70. 1952 333. 1973 464. 1928 403. 1983 189. 1916 -193. 53
54 1963 0. 1984 67. 1987 331. 1922 463. 1906 396. 1905 185. 1959 -194. 54
55 1964 0. 1943 65. 1945 331. 1911 463. 1908 394. 1909 184. 1903 -196. 55
56 1965 0. 1944 63. 1933 329. 1993 462. 1947 392. 1930 182. 1908 -196. 56
57 1966 0. 1988 63. 1997 327. 1992 460. 1990 384. 1986 176. 1951 -198. 57
58 1967 0. 1950 61. 1935 317. 1954 455. 1903 383. 1957 175. 1988 -203. 58
59 1968 0. 1905 61. 1930 317. 1916 455. 1981 382. 1928 173. 1969 -203. 59
60 1969 0. 1958 61. 1907 311. 1995 448. 1925 376. 1954 173. 1981 -207. 60
61 1970 0. 1925 56. 1909 310. 1940 448. 1909 373. 1952 171. 1911 -207. 61
62 1971 0. 1974 52. 1962 299. 1913 441. 1926 365. 1915 169. 1980 -214. 62
63 1972 0. 1936 52. 1947 299. 1951 439. 1950 355. 1985 164. 1919 -216. 63
64 1973 0. 1911 47. 1900 284. 1925 437. 1992 351. 1947 164. 1938 -223. 64
65 1974 0. 1985 46. 1922 281. 1983 434. 1949 351. 1991 159. 1999 -226. 65
66 1975 0. 1953 43. 1948 279. 1987 434. 1951 349. 1949 158. 1954 -230. 66
Table 6.4 cont. Ranked Monthly FDD Accumulations at Marquette, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1976 0. 1926 41. 1983 274. 1998 433. 1943 340. 1999 155. 1927 -236. 67
68 1978 0. 1928 41. 1903 274. 1926 418. 1976 340. 1959 151. 1930 -239. 68
69 1979 0. 1991 38. 1936 272. 1903 414. 2000 338. 1981 149. 1960 -239. 69
70 1980 0. 1913 38. 1980 266. 1901 410. 1955 335. 1994 141. 1968 -239. 70
71 1981 0. 1918 38. 1944 265. 1909 410. 1942 329. 1936 139. 1929 -241. 71
72 1982 0. 1915 36. 1988 255. 1923 398. 1991 326. 1963 133. 1945 -243. 72
73 1983 0. 1902 32. 1967 254. 1989 393. 1957 322. 1924 133. 1984 -245. 73
74 1984 0. 1919 31. 1939 254. 1952 383. 1898 320. 1925 130. 1976 -256. 74
75 1986 0. 1929 29. 1975 252. 1946 383. 1924 317. 1920 126. 2001 -261. 75
76 1987 0. 1946 27. 1949 250. 1902 376. 1945 317. 1995 117. 1899 -263. 76
77 1988 0. 1903 25. 1950 245. 1910 373. 1937 315. 1962 110. 1985 -267. 77
78 1990 0. 1923 25. 1957 239. 1928 369. 1944 310. 1907 108. 1964 -268. 78
79 1991 0. 1966 25. 1901 232. 1942 353. 1966 304. 1921 106. 1931 -272. 79
80 1992 0. 1908 23. 1916 229. 1955 346. 1960 301. 1919 106. 1913 -275. 80
81 1995 0. 1967 22. 1931 227. 1941 344. 1927 301. 1968 104. 1963 -275. 81
82 1996 0. 1954 18. 1913 225. 1947 344. 1953 297. 1990 100. 1957 -284. 82
83 1998 0. 1932 18. 1998 220. 1960 333. 1932 293. 1911 97. 1977 -290. 83
84 1999 0. 2002 18. 1941 212. 1939 331. 1902 293. 1935 90. 1946 -297. 84
85 1898 0. 1945 16. 1908 207. 2001 326. 1941 293. 1931 85. 1998 -300. 85
86 2001 0. 1989 15. 1958 203. 1908 324. 1999 289. 1922 67. 1986 -300. 86
87 2002 0. 1916 14. 1955 200. 2002 322. 1935 286. 1987 60. 1901 -304. 87
88 1899 0. 1906 14. 1921 189. 1898 311. 1983 284. 1977 59. 1910 -306. 88
89 1900 0. 1961 14. 1954 189. 1914 308. 1930 281. 1929 58. 1991 -311. 89
90 1901 0. 1942 13. 2002 182. 1953 304. 1956 281. 1958 56. 1958 -311. 90
91 1902 0. 1949 13. 1937 175. 1990 301. 2002 279. 1953 50. 1990 -312. 91
92 1903 0. 1964 11. 1906 169. 1949 299. 1938 263. 1961 45. 1948 -322. 92
93 1904 0. 1921 11. 1929 157. 1956 286. 1940 259. 1942 29. 1925 -329. 93
94 1905 0. 1907 2. 1942 140. 1900 279. 1987 255. 1966 13. 1906 -331. 94
95 1908 0. 1999 0. 1995 132. 1958 274. 1911 254. 1918 9. 1900 -346. 95
96 1909 0. 1909 0. 1940 112. 1934 266. 1952 250. 1903 4. 1949 -351. 96
97 1910 0. 1935 0. 1912 104. 1921 261. 1964 247. 1898 -2. 1952 -374. 97
98 1911 0. 1910 0. 1966 99. 1931 257. 1919 243. 1927 -22. 1987 -378. 98
99 1913 0. 1900 0. 1953 99. 1933 250. 1921 241. 1938 -32. 1921 -380. 99
100 1915 0. 1963 0. 1919 99. 1906 241. 1961 202. 2000 -33. 1941 -409. 100
101 1916 0. 1914 -2. 1914 95. 1919 230. 1915 185. 1973 -34. 1955 -441. 101
102 1917 0. 1940 -2. 1960 77. 1964 209. 1984 175. 1902 -41. 1915 -459. 102
103 1919 0. 1955 -4. 1924 65. 1932 146. 1931 115. 1946 -178. 1942 -495. 103
104 1920 0. 1924 -7. 1932 9. 1944 144. 1998 95. 1945 -185. 1904 -538. 104
105 2000 -999. 2000 -999. 2000 -999. 2000 -999. 1954 88. 1910 -194. 2000 -700. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1979 198. 1920 569. 1972 783. 1994 677. 1969 405. 1995 -12.
Normal 1912 121. 1915 419. 1988 627. 1985 567. 1974 311. 1939 -94.
Below Normal 1945 16. 1908 207. 2001 326. 1941 293. 1931 85. 1998 -300.
Mild 1914 -2. 1914 95. 1919 230. 1915 185. 1973 -34. 1955 -441.
-------------------------------------------------------------------------------------
Table 6.5 Ranked Monthly FDD Accumulations at Green Bay, WI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 36. 1960 220. 1977 709. 1912 1026. 1936 794. 1960 387. 1907 -90. 1
2 1918 18. 1952 198. 1986 700. 1977 896. 1904 738. 1899 351. 1950 -103. 2
3 1989 8. 1977 198. 1984 664. 1929 812. 1917 668. 1912 311. 1928 -167. 3
4 1955 5. 1930 175. 1990 643. 1979 812. 1979 646. 1923 306. 1920 -171. 4
5 1924 5. 1904 157. 2001 635. 1918 812. 1914 628. 1906 304. 1904 -175. 5
6 1907 4. 1978 148. 1920 621. 1994 795. 1899 607. 1926 275. 1909 -189. 6
7 1914 4. 1912 144. 1964 619. 1982 781. 1929 592. 1916 254. 1936 -203. 7
8 1906 4. 1996 142. 1951 565. 1971 778. 1963 589. 1956 248. 1975 -205. 8
9 1997 3. 1986 141. 1904 563. 1963 776. 1978 583. 1900 247. 1956 -218. 9
10 1927 2. 1997 139. 1925 558. 1970 770. 1905 565. 1975 245. 1972 -221. 10
11 1950 2. 1898 135. 1959 527. 1966 747. 1923 563. 1950 239. 1917 -225. 11
12 1911 0. 1957 131. 1918 520. 1924 733. 1912 551. 1943 239. 1926 -230. 12
13 1912 0. 1948 128. 1910 499. 1959 722. 1913 551. 1972 238. 1982 -248. 13
14 1913 0. 1951 126. 1915 488. 1920 707. 1959 551. 1965 236. 1978 -250. 14
15 1915 0. 1987 125. 1917 486. 1904 700. 1900 542. 1969 234. 1983 -252. 15
16 1916 0. 1979 122. 1962 479. 1957 697. 1901 533. 1932 234. 1923 -252. 16
17 1917 0. 1901 113. 1928 473. 1972 677. 1916 531. 1984 224. 1965 -254. 17
18 1919 0. 1933 110. 1956 472. 1905 671. 1967 529. 1959 220. 1914 -256. 18
19 1920 0. 1956 108. 1899 459. 1948 650. 1989 527. 1978 209. 1944 -257. 19
20 1921 0. 1931 99. 1973 457. 1930 650. 1972 513. 1989 205. 1918 -259. 20
21 1922 0. 1899 99. 1926 450. 1978 643. 1962 508. 1940 198. 1993 -259. 21
22 1923 0. 1959 99. 1927 445. 1917 643. 1934 491. 1971 191. 1995 -260. 22
23 1925 0. 1970 97. 1946 439. 1962 639. 1988 491. 1941 191. 1947 -265. 23
24 1928 0. 1990 94. 1978 434. 1951 634. 1994 485. 1996 185. 1940 -266. 24
25 1929 0. 1965 94. 1898 432. 1936 625. 1958 479. 1951 182. 1996 -269. 25
26 1930 0. 1927 92. 1963 430. 1985 614. 1910 472. 1913 176. 1943 -270. 26
27 1931 0. 1937 86. 1979 428. 1988 600. 1971 472. 1934 173. 1939 -272. 27
28 1932 0. 1938 85. 1952 419. 1984 600. 1920 470. 1952 169. 1953 -277. 28
29 1933 0. 1968 85. 1943 416. 1976 596. 1965 470. 1955 162. 1961 -279. 29
30 1934 0. 1934 83. 1945 405. 1922 589. 1970 464. 1944 160. 1935 -281. 30
31 1935 0. 1950 83. 1911 400. 1943 567. 1922 463. 1901 157. 1966 -284. 31
32 1936 0. 1920 83. 1996 396. 1940 563. 1918 454. 2002 157. 1933 -288. 32
33 1937 0. 1917 77. 1961 392. 1969 560. 1982 454. 1980 149. 1979 -292. 33
34 1938 0. 1941 74. 1923 385. 1996 560. 1968 445. 1962 146. 1932 -293. 34
35 1939 0. 1922 74. 1902 383. 1991 556. 1948 441. 1964 144. 1924 -293. 35
36 1940 0. 2001 69. 1981 383. 1945 556. 1947 434. 1904 144. 1937 -293. 36
37 1941 0. 1925 65. 1971 382. 1965 545. 1939 432. 1948 142. 1951 -295. 37
38 1942 0. 1943 61. 1905 376. 1927 545. 1980 428. 1937 133. 1989 -303. 38
39 1943 0. 1953 61. 1965 374. 1935 540. 1950 428. 1924 121. 1992 -306. 39
40 1944 0. 1998 60. 1967 364. 1899 535. 1956 419. 1982 113. 1934 -308. 40
41 1945 0. 1976 59. 1934 364. 1907 527. 1974 419. 1970 108. 1997 -315. 41
42 1946 0. 1911 59. 1974 362. 1999 524. 1955 416. 1915 104. 2000 -318. 42
43 1947 0. 1939 59. 1935 358. 1937 520. 1951 407. 1914 103. 1959 -322. 43
44 1948 0. 1944 58. 1938 351. 1997 520. 1985 405. 1979 101. 1927 -328. 44
45 1949 0. 1992 57. 1970 346. 1981 518. 2001 400. 1933 99. 1922 -329. 45
46 1951 0. 1972 56. 1989 342. 1938 513. 1996 399. 1954 95. 1911 -329. 46
47 1952 0. 1971 52. 1991 339. 1950 506. 1933 392. 1917 92. 1916 -331. 47
48 1953 0. 1958 50. 1976 335. 1954 506. 1986 390. 1997 91. 1905 -335. 48
49 1954 0. 1983 47. 1909 329. 1955 506. 1949 382. 1939 86. 1962 -340. 49
50 1956 0. 1905 47. 1997 320. 2000 503. 1906 382. 2001 84. 1898 -340. 50
51 1957 0. 1947 40. 1933 315. 1961 502. 1975 380. 1928 81. 1912 -342. 51
52 1958 0. 1973 38. 1969 313. 1910 495. 1953 376. 1967 79. 1969 -344. 52
53 1959 0. 1902 36. 1936 313. 1915 493. 1903 374. 1947 79. 1919 -346. 53
54 1960 0. 1975 34. 1922 311. 1903 486. 1908 374. 1909 77. 1903 -347. 54
55 1961 0. 1936 34. 1930 310. 1968 486. 1907 371. 1974 70. 1971 -349. 55
56 1962 0. 1984 33. 1903 304. 1911 479. 1945 367. 1963 61. 1908 -351. 56
57 1963 0. 1946 32. 1957 295. 1986 475. 1941 360. 1957 59. 1902 -351. 57
58 1964 0. 1993 32. 1968 295. 1952 472. 1928 360. 1930 54. 1973 -356. 58
59 1965 0. 1926 32. 1948 293. 1974 468. 1993 357. 1905 52. 1958 -360. 59
60 1966 0. 1954 31. 1947 288. 1925 466. 1902 351. 1993 48. 1964 -364. 60
61 1967 0. 1966 31. 1900 286. 1980 445. 1937 349. 1949 47. 1967 -364. 61
62 1968 0. 1982 29. 1982 283. 1956 439. 1924 347. 1992 44. 1988 -365. 62
63 1969 0. 1919 29. 1955 274. 1926 437. 1943 346. 1976 38. 1957 -367. 63
64 1970 0. 1994 29. 1949 272. 1913 421. 1942 338. 1953 34. 1984 -367. 64
65 1971 0. 1915 29. 1939 268. 1901 418. 1960 337. 1931 31. 1960 -369. 65
66 1972 0. 1932 27. 1972 266. 1916 414. 1946 335. 1922 31. 1930 -380. 66
Table 6.5 cont. Ranked Monthly FDD Accumulations at Green Bay, WI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1973 0. 1918 25. 2000 265. 1942 410. 1977 335. 1983 31. 1994 -381. 67
68 1974 0. 1906 23. 1916 265. 1928 407. 1969 317. 1920 27. 1949 -382. 68
69 1975 0. 1980 22. 1944 261. 1946 407. 1957 313. 1958 16. 1913 -385. 69
70 1976 0. 1962 20. 1950 261. 1909 400. 1995 312. 1908 11. 2002 -389. 70
71 1977 0. 1913 16. 1931 256. 1902 400. 1964 308. 1925 9. 1954 -391. 71
72 1978 0. 1903 16. 1908 252. 1923 391. 1935 308. 1936 7. 1929 -391. 72
73 1979 0. 1967 16. 1993 251. 1958 389. 1926 306. 1988 -11. 1980 -392. 73
74 1980 0. 1961 16. 1907 248. 1908 382. 1997 300. 1919 -13. 1900 -400. 74
75 1981 0. 1964 14. 1985 247. 1993 375. 1898 299. 1986 -16. 1945 -401. 75
76 1982 0. 1945 14. 1941 238. 1967 369. 1966 288. 1961 -25. 1974 -405. 76
77 1983 0. 1995 13. 1999 236. 1975 365. 1952 284. 1911 -27. 1931 -407. 77
78 1984 0. 1955 13. 1975 234. 1953 353. 1925 281. 1935 -32. 1938 -407. 78
79 1985 0. 1916 13. 1901 230. 2001 352. 1909 275. 1998 -38. 1901 -409. 79
80 1986 0. 1929 13. 1921 229. 1964 347. 1940 268. 1929 -40. 1981 -410. 80
81 1987 0. 1981 11. 1987 225. 1949 346. 1990 267. 1994 -49. 1976 -412. 81
82 1988 0. 1969 11. 1992 225. 1941 344. 1944 259. 1907 -50. 1906 -418. 82
83 1990 0. 1908 9. 1958 214. 1960 344. 1981 254. 1966 -52. 1999 -421. 83
84 1991 0. 1949 5. 1954 203. 1973 333. 1973 254. 1991 -56. 1910 -428. 84
85 1992 0. 1928 5. 1994 203. 1947 333. 1932 252. 1985 -67. 1968 -434. 85
86 1993 0. 1923 5. 1953 198. 1898 328. 1919 252. 1999 -69. 1948 -437. 86
87 1994 0. 1907 4. 1906 194. 1983 328. 1991 230. 1990 -71. 1946 -445. 87
88 1995 0. 1921 4. 1929 182. 1987 322. 2000 213. 1918 -81. 1970 -445. 88
89 1996 0. 1989 4. 1937 175. 1995 319. 1927 211. 1942 -81. 1952 -448. 89
90 1998 0. 1974 2. 1913 158. 1998 296. 1911 207. 1981 -83. 1998 -453. 90
91 1999 0. 1909 2. 1988 148. 1939 277. 1930 198. 1995 -86. 1899 -459. 91
92 2000 0. 1910 0. 2002 139. 1992 273. 1938 198. 1898 -92. 1963 -463. 92
93 2001 0. 1900 0. 1980 135. 1900 270. 1961 191. 1987 -97. 1985 -466. 93
94 2002 0. 1924 0. 1983 131. 1914 256. 1921 180. 1902 -99. 2001 -475. 94
95 1898 0. 1935 0. 1998 122. 1919 256. 1976 178. 1921 -106. 1990 -477. 95
96 1899 0. 1940 0. 1960 112. 1921 245. 1983 162. 1927 -122. 1925 -477. 96
97 1900 0. 1942 0. 1942 112. 1906 245. 1915 146. 1938 -130. 1986 -482. 97
98 1901 0. 1963 0. 1940 104. 1931 239. 2002 137. 1903 -139. 1991 -482. 98
99 1902 0. 1985 0. 1966 103. 1934 200. 1992 136. 1977 -158. 1977 -486. 99
100 1903 0. 1988 0. 1912 103. 1932 198. 1954 122. 1968 -187. 1955 -504. 100
101 1904 0. 1991 0. 1914 99. 1989 193. 1987 116. 1973 -230. 1941 -508. 101
102 1905 0. 1999 0. 1995 81. 2002 182. 1999 98. 1946 -230. 1987 -511. 102
103 1908 0. 2000 0. 1924 54. 1944 166. 1984 96. 2000 -238. 1921 -536. 103
104 1909 0. 2002 0. 1919 49. 1990 166. 1931 86. 1945 -281. 1942 -538. 104
105 1910 0. 1914 -4. 1932 -2. 1933 140. 1998 13. 1910 -292. 1915 -610. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1978 148. 1920 621. 1994 795. 1899 607. 1926 275. 1909 -189.
Normal 1959 99. 1927 445. 1917 643. 1934 491. 1971 191. 1995 -260.
Below Normal 1928 5. 1994 203. 1947 333. 1932 252. 1985 -67. 1968 -434.
Mild 1991 0. 1914 99. 1989 193. 1987 116. 1973 -230. 1941 -508.
-------------------------------------------------------------------------------------
Table 6.6 Ranked Monthly FDD Accumulations at Milwaukee, WI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 27. 1960 140. 1964 583. 1912 819. 1936 617. 1960 324. 1998 -6. 1
2 1918 16. 1930 133. 1984 547. 1977 734. 1904 527. 1965 209. 1921 -65. 2
3 1924 4. 1948 113. 1986 506. 1963 724. 1917 502. 1899 191. 2000 -74. 3
4 1907 2. 1904 106. 1977 488. 1982 693. 1979 473. 1912 178. 1992 -75. 4
5 1955 2. 1977 104. 1920 482. 1918 673. 1914 459. 1923 148. 1987 -144. 5
6 1903 0. 1978 99. 1990 470. 1979 634. 1905 455. 1906 139. 1907 -151. 6
7 1904 0. 1951 99. 2001 459. 1929 608. 1899 454. 1932 135. 1995 -156. 7
8 1905 0. 1899 94. 1910 459. 1971 596. 1963 452. 1972 133. 1975 -171. 8
9 1906 0. 1931 90. 1904 441. 1970 580. 1978 437. 1926 133. 2002 -178. 9
10 1908 0. 1898 88. 1917 432. 1959 578. 1901 432. 1900 115. 1931 -200. 10
11 1909 0. 1957 86. 1951 421. 1966 563. 1958 425. 1975 106. 1983 -202. 11
12 1910 0. 1959 83. 1925 421. 1924 558. 1912 418. 1971 106. 1950 -211. 12
13 1911 0. 1912 79. 1915 416. 1962 544. 1900 412. 1940 101. 1932 -223. 13
14 1912 0. 1996 71. 1959 412. 1904 536. 1967 407. 1984 96. 1972 -223. 14
15 1913 0. 1952 68. 1918 410. 1994 530. 1947 405. 1950 95. 1920 -225. 15
16 1914 0. 1965 67. 1945 380. 1957 529. 1989 383. 1943 94. 1904 -229. 16
17 1915 0. 1956 61. 1963 371. 1948 527. 1923 376. 1941 85. 1919 -241. 17
18 1916 0. 1938 61. 1943 369. 1985 523. 1929 365. 1944 77. 1944 -252. 18
19 1917 0. 1986 58. 1973 365. 1905 522. 1916 358. 1969 72. 1909 -256. 19
20 1919 0. 1953 50. 1946 356. 1978 515. 1910 356. 1916 72. 1917 -263. 20
21 1920 0. 1925 49. 1926 333. 1920 511. 1972 355. 1978 68. 1926 -266. 21
22 1921 0. 1990 49. 1899 329. 1940 506. 1959 355. 1996 61. 1971 -268. 22
23 1922 0. 1937 49. 1962 317. 1972 499. 1982 355. 1947 59. 1928 -272. 23
24 1923 0. 1979 45. 1898 313. 1936 490. 1913 344. 1934 56. 1936 -272. 24
25 1925 0. 1941 38. 1902 310. 1930 484. 1980 340. 1962 52. 1918 -275. 25
26 1927 0. 1920 36. 1961 301. 1945 454. 1988 337. 1980 49. 1982 -275. 26
27 1928 0. 1927 36. 1956 293. 1976 421. 1968 328. 1970 49. 1961 -275. 27
28 1929 0. 1943 36. 1978 284. 1988 419. 1934 313. 1951 34. 1940 -284. 28
29 1930 0. 1997 33. 1927 275. 1969 418. 1962 306. 1959 34. 1935 -288. 29
30 1931 0. 1970 32. 1965 274. 1951 416. 1965 304. 1937 27. 1979 -304. 30
31 1932 0. 1972 29. 1928 274. 1943 414. 1985 300. 1952 25. 1953 -308. 31
32 1933 0. 1905 27. 1952 274. 1917 412. 1971 295. 1956 20. 1966 -308. 32
33 1934 0. 1939 27. 1971 261. 1981 409. 1920 293. 1982 18. 1978 -313. 33
34 1935 0. 1958 27. 1911 256. 1984 407. 1994 287. 1954 11. 1911 -315. 34
35 1936 0. 2001 25. 1979 256. 1961 391. 1902 286. 1964 9. 1943 -317. 35
36 1937 0. 1982 25. 1981 252. 1965 389. 1933 279. 2002 8. 1996 -318. 36
37 1938 0. 1966 25. 1974 243. 1942 380. 1942 277. 1924 7. 1973 -320. 37
38 1939 0. 1968 25. 1982 243. 1915 373. 1966 274. 1913 5. 1965 -320. 38
39 1940 0. 1946 22. 1936 239. 1991 362. 1918 274. 1955 4. 1937 -322. 39
40 1941 0. 1973 22. 1996 237. 1999 358. 1970 263. 1948 2. 1947 -326. 40
41 1942 0. 1911 22. 1935 236. 1935 356. 1974 257. 1914 -2. 1914 -328. 41
42 1943 0. 1954 20. 1967 236. 1899 355. 1948 256. 1915 -2. 1951 -328. 42
43 1944 0. 1984 18. 1944 236. 1997 353. 1941 254. 1901 -11. 1956 -331. 43
44 1945 0. 1971 18. 1933 236. 1980 349. 1960 252. 1904 -13. 1938 -333. 44
45 1946 0. 1980 16. 1923 225. 1996 344. 1939 247. 1957 -13. 1993 -336. 45
46 1947 0. 1961 16. 1934 220. 1927 340. 1943 245. 1989 -19. 1989 -341. 46
47 1948 0. 1950 16. 1938 218. 1910 337. 1986 244. 1993 -19. 1905 -346. 47
48 1949 0. 1906 16. 1970 214. 1922 324. 1903 241. 1933 -20. 1939 -351. 48
49 1950 0. 1933 14. 1969 209. 1974 322. 1922 241. 2001 -22. 1933 -355. 49
50 1951 0. 1936 14. 1905 209. 1955 320. 1949 238. 1909 -29. 1997 -355. 50
51 1952 0. 1944 14. 1903 205. 1938 317. 1975 236. 1967 -34. 1924 -362. 51
52 1953 0. 1994 12. 1900 202. 1968 317. 1907 236. 1979 -36. 1898 -362. 52
53 1954 0. 1945 11. 1947 198. 1986 314. 1951 236. 1958 -38. 1927 -364. 53
54 1956 0. 1967 11. 1909 182. 1958 313. 1977 234. 1949 -43. 1923 -365. 54
55 1957 0. 1916 9. 1991 181. 1903 304. 1908 234. 1931 -52. 1962 -374. 55
56 1958 0. 1908 7. 1989 175. 1907 301. 1906 229. 1974 -56. 1922 -376. 56
57 1959 0. 1975 7. 1922 171. 1925 295. 2001 228. 1930 -58. 1964 -383. 57
58 1960 0. 1964 5. 1921 169. 1926 284. 1950 227. 1917 -72. 1916 -383. 58
59 1961 0. 1962 5. 1916 160. 1946 283. 1937 225. 1928 -76. 1949 -383. 59
60 1962 0. 1901 5. 1999 159. 1954 281. 1996 223. 1999 -87. 1969 -387. 60
61 1963 0. 1993 4. 1948 158. 1952 279. 1946 220. 1939 -88. 1967 -387. 61
62 1964 0. 1955 4. 1939 157. 1937 275. 1993 208. 1983 -90. 1902 -387. 62
63 1965 0. 1932 4. 1976 153. 1928 270. 1955 205. 1919 -92. 1984 -388. 63
64 1966 0. 1989 4. 1949 151. 1901 263. 1945 203. 1953 -92. 1957 -391. 64
65 1967 0. 1947 4. 2000 147. 1913 257. 1956 203. 1988 -93. 1959 -391. 65
66 1968 0. 1919 4. 1994 146. 1902 257. 1898 196. 1961 -97. 1908 -396. 66
Table 6.6 cont. Ranked Monthly FDD Accumulations at Milwaukee, WI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1969 0. 1926 2. 1930 144. 1975 254. 1964 194. 1963 -99. 1976 -396. 67
68 1970 0. 1987 2. 1954 140. 1911 254. 1944 189. 1966 -106. 1990 -396. 68
69 1971 0. 1969 2. 1997 139. 2000 252. 1981 187. 1981 -108. 1991 -398. 69
70 1972 0. 1949 2. 1968 137. 1916 250. 1973 184. 1992 -109. 1980 -398. 70
71 1973 0. 1922 0. 1931 131. 1960 245. 1924 173. 1920 -112. 1934 -400. 71
72 1974 0. 1923 0. 2002 130. 1909 236. 1995 172. 1922 -117. 1930 -401. 72
73 1975 0. 1903 0. 1955 122. 1967 236. 1935 155. 1911 -121. 1912 -410. 73
74 1976 0. 1928 0. 1908 117. 1908 232. 1928 142. 1994 -124. 1958 -410. 74
75 1977 0. 1929 0. 1907 117. 1973 229. 1919 139. 1908 -124. 1903 -410. 75
76 1978 0. 1934 0. 1901 115. 1987 225. 1940 135. 1925 -126. 1913 -412. 76
77 1979 0. 1935 0. 1957 110. 1950 225. 1969 133. 1997 -127. 1963 -414. 77
78 1980 0. 1940 0. 1993 109. 1956 221. 1909 130. 1998 -129. 1901 -414. 78
79 1981 0. 1942 0. 1950 104. 2001 218. 1953 128. 1942 -135. 1988 -419. 79
80 1982 0. 1963 0. 1987 96. 1949 203. 1925 128. 1905 -135. 1954 -421. 80
81 1983 0. 1974 0. 1985 91. 1953 200. 1926 122. 1936 -140. 1970 -423. 81
82 1984 0. 1976 0. 1975 88. 1995 199. 1957 117. 1902 -162. 1974 -425. 82
83 1985 0. 1981 0. 1913 83. 1941 198. 1997 102. 1935 -171. 1999 -425. 83
84 1986 0. 1900 0. 1906 81. 1947 198. 1952 95. 1898 -173. 1945 -432. 84
85 1987 0. 1985 0. 1940 77. 1923 189. 1911 94. 1987 -178. 1981 -437. 85
86 1988 0. 1988 0. 1972 77. 1993 188. 1990 80. 1985 -184. 1910 -445. 86
87 1989 0. 1991 0. 1941 76. 1898 185. 1983 76. 1929 -187. 1906 -457. 87
88 1990 0. 1992 0. 1958 72. 1964 182. 1961 61. 1986 -189. 1899 -457. 88
89 1991 0. 1995 0. 1929 68. 1983 173. 1991 56. 1991 -201. 1946 -457. 89
90 1992 0. 1998 0. 1992 68. 1998 151. 1921 43. 1907 -203. 1900 -461. 90
91 1993 0. 1999 0. 1998 64. 1900 144. 1915 43. 1976 -205. 1968 -466. 91
92 1994 0. 2000 0. 1919 56. 1919 137. 1927 31. 1918 -214. 1929 -468. 92
93 1995 0. 2002 0. 1988 53. 1944 135. 1976 27. 1995 -216. 1952 -475. 93
94 1996 0. 1909 0. 1942 52. 1992 118. 1932 27. 1990 -220. 1960 -482. 94
95 1997 0. 1910 0. 1983 47. 1939 103. 1938 23. 1977 -225. 1994 -493. 95
96 1998 0. 1913 0. 1953 43. 1914 99. 2002 3. 1927 -232. 1986 -495. 96
97 1999 0. 1914 0. 1914 38. 1906 94. 1987 -1. 1903 -234. 1948 -504. 97
98 2000 0. 1915 0. 1937 31. 1921 90. 1992 -2. 1921 -239. 2001 -504. 98
99 2001 0. 1917 0. 1924 22. 1931 72. 1999 -5. 1973 -247. 1977 -508. 99
100 2002 0. 1902 0. 1980 20. 1934 67. 1930 -7. 1968 -254. 1925 -517. 100
101 1898 0. 1921 0. 1966 13. 1932 59. 2000 -12. 1938 -286. 1941 -518. 101
102 1899 0. 1983 -2. 1995 1. 1989 42. 1954 -29. 1946 -295. 1942 -526. 102
103 1900 0. 1907 -2. 1932 -4. 2002 37. 1931 -41. 2000 -313. 1955 -558. 103
104 1901 0. 1924 -4. 1960 -14. 1990 17. 1984 -46. 1910 -378. 1985 -563. 104
105 1902 0. 1918 -7. 1912 -16. 1933 -54. 1998 -80. 1945 -382. 1915 -580. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1978 99. 1990 470. 1979 634. 1905 455. 1906 139. 1907 -151.
Normal 1990 49. 1899 329. 1940 506. 1959 355. 1996 61. 1971 -268.
Below Normal 1985 0. 1940 77. 1923 189. 1911 94. 1987 -178. 1981 -437.
Mild 1921 0. 1966 13. 1932 59. 2000 -12. 1938 -286. 1941 -518.
-------------------------------------------------------------------------------------
Table 6.7 Ranked Monthly FDD Accumulations at Chicago, IL.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 16. 1960 99. 1964 581. 1977 661. 1936 479. 1960 225. 1938 0. 1
2 1918 11. 1948 95. 1984 550. 1963 635. 1979 443. 1965 167. 1909 0. 2
3 1900 0. 1951 94. 2001 476. 1912 625. 1978 430. 1912 99. 1921 0. 3
4 1901 0. 1930 92. 1986 465. 1982 616. 1904 425. 1984 92. 1953 0. 4
5 1902 0. 1904 86. 1990 448. 1979 603. 1963 425. 1900 92. 1908 0. 5
6 1903 0. 1899 83. 1910 391. 1918 581. 1905 421. 1932 77. 1998 0. 6
7 1904 0. 1978 77. 1977 391. 1985 546. 1901 419. 1899 68. 1931 0. 7
8 1905 0. 1931 76. 1951 385. 1978 506. 1899 389. 1926 58. 2000 0. 8
9 1906 0. 1959 72. 1904 367. 1959 493. 1900 346. 1906 54. 1919 0. 9
10 1907 0. 1977 70. 1920 333. 1994 493. 1967 342. 1996 31. 1992 0. 10
11 1908 0. 1965 63. 1946 328. 1966 491. 1989 341. 1947 5. 1987 -6. 11
12 1909 0. 1956 56. 1915 326. 1970 488. 1917 340. 1978 5. 1954 -7. 12
13 1910 0. 1957 54. 1963 324. 1940 488. 1958 337. 1998 0. 1927 -9. 13
14 1911 0. 1898 45. 1918 319. 1962 475. 1914 328. 1941 -2. 1907 -14. 14
15 1912 0. 1953 40. 1917 311. 1984 462. 1985 327. 1943 -7. 2002 -21. 15
16 1913 0. 1986 40. 1945 310. 1929 448. 1947 324. 1940 -9. 1976 -38. 16
17 1914 0. 1938 34. 1952 299. 1904 445. 1902 313. 1944 -11. 1911 -47. 17
18 1915 0. 1925 31. 1959 299. 1948 434. 1980 304. 1980 -22. 1983 -77. 18
19 1916 0. 1937 27. 1961 284. 1905 430. 1912 301. 1950 -25. 1932 -79. 19
20 1917 0. 1943 25. 1943 281. 1957 410. 1982 292. 1934 -27. 1939 -97. 20
21 1919 0. 1941 23. 1925 281. 1971 405. 1929 292. 1937 -29. 1933 -104. 21
22 1920 0. 1979 22. 1902 265. 1936 403. 1994 273. 1923 -31. 1973 -104. 22
23 1921 0. 2001 20. 1962 259. 1920 403. 1923 272. 1962 -43. 1990 -110. 23
24 1922 0. 1905 20. 1973 250. 1945 394. 1988 264. 1964 -54. 1946 -121. 24
25 1923 0. 1966 20. 1978 243. 1997 389. 1934 257. 1931 -54. 1995 -127. 25
26 1924 0. 1996 19. 1899 239. 1972 387. 1968 247. 1972 -61. 1942 -133. 26
27 1925 0. 1968 18. 1965 227. 1924 380. 1972 245. 1975 -63. 1935 -149. 27
28 1927 0. 1997 18. 1982 223. 1976 376. 1986 226. 1901 -65. 1922 -157. 28
29 1928 0. 1911 16. 1926 220. 1988 372. 1965 216. 1921 -68. 1949 -160. 29
30 1929 0. 1984 16. 1898 216. 1930 369. 1959 216. 2001 -72. 1906 -191. 30
31 1930 0. 1961 16. 1936 211. 1961 365. 1960 214. 1993 -75. 1955 -193. 31
32 1931 0. 1982 16. 1900 194. 1991 342. 1962 214. 1969 -76. 1913 -205. 32
33 1932 0. 1994 15. 1956 191. 1969 338. 1993 209. 1916 -77. 1914 -223. 33
34 1933 0. 1939 14. 1979 191. 1965 328. 1903 202. 1954 -79. 1898 -227. 34
35 1934 0. 1912 14. 1933 189. 1981 293. 1916 202. 1924 -81. 1999 -228. 35
36 1935 0. 1954 13. 1903 189. 1943 290. 1910 202. 1915 -85. 1957 -247. 36
37 1936 0. 1920 13. 1996 187. 1999 286. 1913 200. 1970 -88. 1925 -256. 37
38 1937 0. 1958 13. 1944 187. 1986 286. 1920 185. 2002 -89. 1950 -259. 38
39 1938 0. 1936 13. 1974 187. 1899 281. 1941 176. 1971 -90. 1904 -261. 39
40 1939 0. 1945 13. 1935 182. 1980 268. 1966 175. 1982 -95. 1991 -262. 40
41 1940 0. 1906 13. 1981 180. 1951 265. 1970 167. 1904 -95. 1928 -266. 41
42 1941 0. 1990 12. 1911 176. 1996 261. 1996 167. 1913 -99. 1910 -281. 42
43 1942 0. 1973 11. 1927 169. 1968 256. 1933 167. 1952 -101. 1937 -292. 43
44 1943 0. 1980 9. 1991 166. 1955 254. 1948 166. 1951 -101. 1945 -293. 44
45 1944 0. 1944 9. 1938 164. 1915 245. 1950 162. 1933 -104. 1926 -295. 45
46 1945 0. 1964 7. 1905 162. 1917 241. 1975 162. 1909 -113. 1930 -295. 46
47 1946 0. 1927 7. 1928 158. 1995 239. 2001 158. 1919 -113. 1956 -297. 47
48 1947 0. 1995 6. 2000 156. 1903 238. 1907 157. 1914 -117. 1944 -297. 48
49 1948 0. 1916 5. 1967 155. 2001 230. 1964 157. 1959 -119. 1975 -311. 49
50 1949 0. 1975 5. 1969 153. 1974 225. 1942 155. 1999 -120. 1941 -313. 50
51 1950 0. 1955 5. 1989 146. 1927 221. 1937 155. 1992 -122. 1968 -320. 51
52 1951 0. 1972 5. 1994 136. 1922 220. 1908 151. 1948 -126. 1934 -320. 52
53 1952 0. 1989 5. 1968 133. 1928 212. 1995 151. 1958 -126. 1989 -329. 53
54 1953 0. 1946 4. 1939 133. 1938 207. 1977 146. 1953 -128. 1920 -331. 54
55 1954 0. 1950 4. 1997 128. 1902 203. 1974 133. 1930 -128. 1916 -331. 55
56 1955 0. 1914 0. 1970 128. 1942 198. 1918 133. 1956 -135. 1961 -340. 56
57 1956 0. 1915 0. 2002 127. 1910 194. 1951 130. 1979 -137. 1952 -340. 57
58 1957 0. 1917 0. 1999 126. 1935 193. 1906 126. 1967 -139. 1974 -342. 58
59 1958 0. 1900 0. 1921 122. 2000 193. 1939 124. 1989 -143. 1936 -344. 59
60 1959 0. 1919 0. 1947 115. 1987 190. 1898 122. 1928 -153. 1918 -360. 60
61 1960 0. 1921 0. 1923 113. 1925 187. 1949 122. 1955 -160. 1903 -365. 61
62 1961 0. 1922 0. 1971 106. 1901 185. 1943 119. 1983 -169. 1982 -374. 62
63 1962 0. 1923 0. 1930 106. 1958 178. 1981 113. 1957 -171. 1940 -378. 63
64 1963 0. 1924 0. 1934 104. 1983 178. 1971 110. 1949 -171. 1972 -382. 64
65 1964 0. 1901 0. 1916 103. 1926 175. 1946 95. 1981 -173. 1917 -385. 65
66 1965 0. 1928 0. 1993 99. 1993 173. 1973 95. 1961 -185. 1901 -391. 66
Table 6.7 cont. Ranked Monthly FDD Accumulations at Chicago, IL.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1966 0. 1929 0. 1949 99. 1937 164. 1945 90. 1939 -187. 1958 -391. 67
68 1967 0. 1932 0. 1954 92. 1946 162. 1924 90. 1987 -189. 1923 -392. 68
69 1968 0. 1933 0. 1922 92. 1960 162. 1944 90. 1997 -191. 1993 -395. 69
70 1969 0. 1934 0. 1976 86. 1907 160. 1955 88. 1988 -195. 1996 -396. 70
71 1970 0. 1935 0. 1901 85. 1975 148. 1940 81. 1902 -202. 1924 -398. 71
72 1971 0. 1940 0. 1931 72. 1952 148. 1997 79. 1974 -205. 1966 -398. 72
73 1972 0. 1942 0. 1940 67. 1941 139. 1956 77. 1994 -206. 1984 -400. 73
74 1973 0. 1947 0. 1975 63. 1954 135. 1922 76. 1917 -207. 1979 -401. 74
75 1974 0. 1949 0. 1948 61. 1967 133. 1935 67. 1905 -227. 1997 -403. 75
76 1975 0. 1952 0. 1987 56. 1964 128. 1969 61. 1911 -227. 1943 -407. 76
77 1976 0. 1962 0. 1992 52. 1973 119. 1928 50. 1985 -228. 1905 -407. 77
78 1977 0. 1963 0. 1998 47. 1992 114. 1983 41. 1922 -229. 1915 -414. 78
79 1978 0. 1967 0. 1929 38. 1949 113. 1919 40. 1966 -232. 1981 -414. 79
80 1979 0. 1969 0. 1919 38. 1950 113. 1926 29. 1942 -234. 1929 -428. 80
81 1980 0. 1970 0. 1988 35. 1956 110. 1991 21. 1936 -238. 1902 -432. 81
82 1981 0. 1971 0. 1985 33. 1908 104. 1961 18. 1925 -239. 1965 -436. 82
83 1982 0. 1974 0. 1907 27. 1900 103. 1990 14. 1963 -241. 1980 -436. 83
84 1983 0. 1976 0. 1983 25. 1898 103. 1953 4. 1920 -254. 1947 -439. 84
85 1984 0. 1981 0. 1909 23. 1947 103. 1925 -5. 1898 -257. 1900 -445. 85
86 1985 0. 1983 0. 1912 22. 1916 101. 1909 -11. 1986 -260. 1951 -446. 86
87 1986 0. 1985 0. 1942 20. 1909 101. 1952 -11. 1995 -263. 1959 -463. 87
88 1987 0. 1987 0. 1913 18. 1998 94. 2002 -11. 1903 -263. 1978 -464. 88
89 1988 0. 1988 0. 1914 13. 1953 90. 1911 -11. 1908 -265. 1988 -476. 89
90 1989 0. 1991 0. 1972 13. 1911 90. 1957 -38. 1991 -267. 1969 -477. 90
91 1990 0. 1992 0. 1950 9. 1913 83. 1921 -41. 2000 -284. 1967 -491. 91
92 1991 0. 1993 0. 1924 9. 1932 47. 1992 -44. 1935 -292. 1971 -500. 92
93 1992 0. 1998 0. 1906 9. 1923 40. 1932 -45. 1990 -297. 1912 -504. 93
94 1993 0. 1999 0. 1955 5. 1919 34. 1987 -52. 1927 -310. 1962 -504. 94
95 1994 0. 2000 0. 1908 5. 1944 23. 1984 -62. 1918 -317. 1964 -511. 95
96 1995 0. 2002 0. 1932 2. 1939 14. 1999 -64. 1907 -328. 1899 -540. 96
97 1996 0. 1902 0. 1953 -4. 1931 2. 2000 -65. 1968 -333. 1963 -554. 97
98 1997 0. 1903 0. 1995 -6. 1914 -4. 1915 -70. 1938 -335. 1994 -580. 98
99 1998 0. 1907 0. 1980 -9. 2002 -6. 1938 -72. 1976 -335. 1986 -583. 99
100 1999 0. 1908 0. 1957 -9. 1934 -9. 1927 -81. 1929 -349. 1970 -590. 100
101 2000 0. 1909 0. 1958 -9. 1921 -11. 1976 -92. 1973 -371. 1960 -603. 101
102 2001 0. 1910 0. 1966 -18. 1906 -11. 1931 -95. 1977 -400. 2001 -604. 102
103 2002 0. 1913 0. 1941 -22. 1989 -20. 1998 -141. 1946 -472. 1985 -617. 103
104 1898 0. 1926 -2. 1937 -29. 1990 -67. 1930 -142. 1910 -508. 1948 -628. 104
105 1899 0. 1918 -11. 1960 -76. 1933 -148. 1954 -155. 1945 -515. 1977 -689. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1899 83. 1910 391. 1918 581. 1905 421. 1932 77. 1998 0.
Normal 1979 22. 1902 265. 1936 403. 1994 273. 1923 -31. 1973 -104.
Below Normal 1981 0. 1909 23. 1947 103. 1925 -5. 1898 -257. 1900 -445.
Mild 1909 0. 1958 -9. 1921 -11. 1976 -92. 1973 -371. 1960 -603.
-------------------------------------------------------------------------------------
Table 6.8 Ranked Monthly FDD Accumulations at Traverse City, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 9. 1930 106. 1990 490. 1912 698. 1904 796. 1899 356. 1907 -72. 1
2 1914 2. 1898 97. 1977 445. 1918 641. 1979 639. 1960 346. 1950 -83. 2
3 1927 2. 1960 95. 1984 433. 1994 623. 1963 608. 1965 333. 1904 -95. 3
4 1918 2. 1951 85. 1959 416. 1977 607. 1936 590. 1912 311. 1965 -113. 4
5 1903 0. 1952 85. 1964 401. 1963 607. 1899 580. 1900 302. 1905 -128. 5
6 1904 0. 1978 77. 1904 391. 1982 590. 1978 576. 1926 286. 1920 -135. 6
7 1905 0. 1904 77. 1910 376. 1904 585. 1917 545. 1984 281. 1936 -140. 7
8 1906 0. 1990 76. 2001 354. 1979 574. 1934 535. 1916 274. 1909 -148. 8
9 1907 0. 1959 70. 1920 353. 1920 544. 1962 499. 1923 274. 1972 -158. 9
10 1908 0. 1948 68. 1961 344. 1945 509. 1905 499. 1906 247. 1923 -167. 10
11 1909 0. 1937 68. 1917 337. 1965 506. 1994 480. 1969 245. 1932 -169. 11
12 1910 0. 1957 65. 1981 329. 1966 504. 1912 475. 1943 241. 1928 -175. 12
13 1911 0. 1899 63. 1918 329. 1970 500. 1968 472. 1972 236. 1943 -182. 13
14 1912 0. 1979 63. 1925 328. 1929 488. 1959 457. 1970 223. 1996 -189. 14
15 1913 0. 1956 59. 1986 325. 1899 479. 1929 454. 1950 221. 1979 -191. 15
16 1915 0. 1965 56. 1915 295. 1948 479. 1967 446. 1956 221. 1926 -193. 16
17 1916 0. 1931 56. 1899 293. 1961 477. 1920 445. 1934 220. 1975 -198. 17
18 1917 0. 1977 52. 1979 293. 1959 475. 1914 443. 1978 211. 1939 -198. 18
19 1919 0. 1996 50. 1965 288. 1978 473. 1924 439. 1996 209. 1983 -202. 19
20 1920 0. 1934 47. 1911 279. 1943 468. 1913 437. 1971 202. 1982 -203. 20
21 1921 0. 1975 45. 1996 273. 1962 459. 1974 428. 1989 199. 1966 -211. 21
22 1922 0. 1986 43. 1927 270. 1925 446. 1923 423. 1959 189. 1956 -214. 22
23 1923 0. 1950 41. 1974 268. 1957 446. 1980 423. 1980 185. 1917 -216. 23
24 1924 0. 1953 38. 1945 266. 1905 445. 1989 407. 1932 182. 1940 -216. 24
25 1925 0. 1968 38. 1946 266. 1984 444. 1900 407. 1937 167. 1978 -216. 25
26 1928 0. 1943 38. 1905 265. 1976 432. 1965 403. 1944 167. 1914 -218. 26
27 1929 0. 1918 38. 1923 263. 1924 432. 1958 396. 1963 164. 1944 -218. 27
28 1930 0. 1939 31. 1962 261. 1981 421. 1993 383. 1924 158. 1961 -223. 28
29 1931 0. 1920 31. 1951 254. 1971 416. 1901 382. 1941 155. 1921 -229. 29
30 1932 0. 1941 29. 1978 252. 1985 412. 1916 376. 1952 149. 1935 -232. 30
31 1933 0. 1980 27. 1956 250. 1930 410. 1972 374. 1914 148. 1947 -236. 31
32 1934 0. 1972 25. 1973 250. 1996 395. 1970 371. 1901 146. 1898 -239. 32
33 1935 0. 1912 25. 1963 250. 1917 394. 1985 370. 1947 146. 1995 -241. 33
34 1936 0. 1976 23. 1943 248. 1954 383. 1988 366. 1964 144. 1918 -243. 34
35 1937 0. 1938 22. 1930 247. 1972 376. 1918 365. 1940 142. 1953 -243. 35
36 1938 0. 1905 22. 1938 247. 1968 369. 1948 365. 1982 140. 1933 -254. 36
37 1939 0. 1927 22. 1902 236. 1927 358. 1977 360. 1975 139. 1930 -254. 37
38 1940 0. 1970 22. 1969 234. 1936 356. 1908 351. 1962 137. 1993 -266. 38
39 1941 0. 1925 20. 1934 230. 1999 356. 1973 344. 1948 137. 1971 -266. 39
40 1942 0. 1926 20. 1944 220. 1980 355. 1947 344. 1939 135. 1924 -266. 40
41 1943 0. 1983 20. 1936 220. 1988 355. 1969 338. 1904 128. 1992 -268. 41
42 1944 0. 1971 16. 1935 218. 1940 347. 1907 335. 1954 126. 1901 -270. 42
43 1945 0. 1954 14. 1967 211. 1951 342. 1996 330. 1928 126. 1911 -270. 43
44 1946 0. 1944 14. 1947 205. 1938 337. 1995 323. 1909 126. 1989 -275. 44
45 1947 0. 1967 14. 1952 203. 1910 333. 1910 320. 1930 124. 1934 -281. 45
46 1948 0. 1984 13. 1970 202. 1923 329. 1986 318. 1967 121. 2000 -288. 46
47 1949 0. 1997 13. 1928 200. 1997 327. 1942 317. 1915 117. 1959 -290. 47
48 1950 0. 1933 13. 1898 200. 2000 324. 1964 315. 1955 115. 1937 -293. 48
49 1951 0. 1946 13. 1989 198. 1969 322. 1971 313. 1931 113. 1908 -293. 49
50 1952 0. 1995 11. 1971 193. 1955 319. 1939 311. 1933 112. 1919 -295. 50
51 1953 0. 1973 11. 1955 191. 1974 319. 1982 310. 1913 110. 1951 -299. 51
52 1954 0. 1902 11. 1976 185. 1942 317. 1950 306. 1905 104. 1980 -299. 52
53 1955 0. 1966 11. 1926 184. 1935 315. 1966 306. 1951 101. 1997 -301. 53
54 1956 0. 1906 11. 1994 182. 1986 314. 1946 301. 2001 98. 1903 -308. 54
55 1957 0. 1913 9. 1948 178. 1915 313. 1902 290. 1911 92. 1988 -315. 55
56 1958 0. 1945 9. 1907 166. 1911 308. 1960 288. 1974 85. 1967 -322. 56
57 1959 0. 1947 9. 1933 166. 1922 295. 1933 286. 1979 85. 1922 -322. 57
58 1960 0. 1958 7. 1909 164. 1907 293. 1943 286. 1993 71. 1962 -322. 58
59 1961 0. 2001 7. 2000 162. 1956 277. 1961 281. 1992 64. 1984 -325. 59
60 1962 0. 1964 7. 1999 161. 1958 275. 1955 279. 1957 63. 1916 -326. 60
61 1963 0. 1916 7. 1949 160. 1909 275. 1928 277. 1917 63. 1912 -328. 61
62 1964 0. 1903 7. 1916 160. 1903 272. 1956 272. 1988 61. 1973 -328. 62
63 1965 0. 1987 6. 1968 155. 1964 266. 2001 264. 1949 50. 1913 -333. 63
64 1966 0. 1961 5. 1900 155. 1901 266. 1945 261. 1994 44. 1902 -335. 64
65 1967 0. 1917 5. 1901 151. 1993 266. 1935 261. 1997 41. 1927 -337. 65
66 1968 0. 1936 5. 1982 148. 1902 263. 1951 259. 1958 36. 1949 -342. 66
Table 6.8 cont. Ranked Monthly FDD Accumulations at Traverse City, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1969 0. 1969 4. 1991 141. 1983 261. 1903 257. 1999 31. 1964 -342. 67
68 1970 0. 1994 4. 1931 140. 1928 257. 1906 256. 1985 19. 1994 -344. 68
69 1971 0. 2000 2. 1922 124. 1926 254. 1898 254. 1922 16. 1954 -344. 69
70 1972 0. 1923 2. 1993 120. 1967 245. 1926 252. 1936 14. 1963 -346. 70
71 1973 0. 1901 2. 1958 119. 1937 241. 1944 245. 1961 2. 1929 -347. 71
72 1974 0. 1932 2. 1950 115. 1898 239. 1922 238. 1908 0. 1987 -348. 72
73 1975 0. 1982 2. 1921 113. 1946 234. 1952 236. 1983 -2. 1946 -351. 73
74 1976 0. 1940 0. 1992 112. 1947 234. 1909 234. 1920 -11. 1969 -353. 74
75 1977 0. 1942 0. 1903 112. 1953 230. 1975 230. 1942 -11. 1900 -358. 75
76 1978 0. 1949 0. 1997 109. 1960 230. 1911 225. 1935 -14. 1957 -358. 76
77 1979 0. 1955 0. 1954 99. 1973 230. 1941 218. 1976 -23. 1931 -360. 77
78 1980 0. 1962 0. 1957 92. 1995 228. 1997 206. 1953 -25. 1899 -364. 78
79 1981 0. 1963 0. 1908 92. 1952 225. 1925 203. 1986 -26. 1974 -364. 79
80 1982 0. 1974 0. 1939 92. 1950 223. 1957 203. 1925 -31. 1958 -365. 80
81 1983 0. 1981 0. 1980 90. 1941 220. 1949 203. 1966 -41. 1945 -369. 81
82 1984 0. 1985 0. 1987 88. 1939 211. 1938 203. 1990 -54. 1960 -383. 82
83 1985 0. 1988 0. 1985 80. 1975 207. 1990 196. 1981 -56. 1952 -385. 83
84 1986 0. 1989 0. 1940 79. 1992 194. 1937 194. 1919 -59. 1999 -387. 84
85 1987 0. 1991 0. 1966 67. 1987 189. 1953 189. 1918 -63. 1981 -387. 85
86 1988 0. 1992 0. 1983 67. 1949 180. 1940 185. 1907 -63. 1906 -394. 86
87 1989 0. 1993 0. 1953 67. 1913 178. 1981 175. 1898 -67. 1938 -409. 87
88 1990 0. 1998 0. 1929 63. 1908 178. 1930 175. 1902 -79. 1968 -410. 88
89 1991 0. 1999 0. 1937 63. 1931 175. 1927 167. 1968 -81. 1977 -412. 89
90 1992 0. 1907 0. 1941 59. 1900 169. 1919 166. 1995 -88. 1970 -414. 90
91 1993 0. 1908 0. 1988 56. 2001 167. 2000 163. 1987 -92. 1990 -419. 91
92 1994 0. 1909 0. 1942 56. 1916 167. 1987 157. 1927 -101. 1976 -421. 92
93 1995 0. 1910 0. 1972 52. 1934 160. 1915 153. 1929 -110. 1910 -434. 93
94 1996 0. 1911 0. 1919 47. 1919 144. 1921 146. 1977 -115. 2001 -441. 94
95 1997 0. 1900 0. 1998 46. 1998 143. 1992 136. 1938 -124. 1925 -445. 95
96 1998 0. 1915 0. 1913 45. 1989 135. 1976 133. 1921 -157. 1948 -445. 96
97 1999 0. 1919 0. 1912 36. 1921 130. 1983 124. 1910 -167. 1985 -450. 97
98 2000 0. 1921 0. 1906 36. 1944 108. 1932 119. 1903 -167. 1941 -468. 98
99 2001 0. 1922 0. 1960 34. 1914 94. 1999 116. 2000 -216. 1986 -472. 99
100 1898 0. 1924 0. 1924 22. 1906 86. 1931 81. 1973 -216. 1942 -475. 100
101 1899 0. 1928 0. 1975 20. 1990 71. 1984 80. 1945 -283. 1915 -499. 101
102 1900 0. 1929 0. 1932 14. 1933 63. 1954 67. 1946 -295. 1955 -513. 102
103 1901 0. 1935 0. 1914 0. 1932 14. 1991 -999. 1991 -999. 1991 -999. 103
104 1902 0. 1914 -2. 1995 -6. 2002 -999. 1998 -999. 1998 -999. 1998 -999. 104
105 2002 -999. 2002 -999. 2002 -999. 1991 -999. 2002 -999. 2002 -999. 2002 -999. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1978 77. 1904 391. 1982 590. 1978 576. 1926 286. 1920 -135.
Normal 1986 43. 1927 270. 1925 446. 1923 423. 1959 189. 1956 -214.
Below Normal 1991 0. 1966 67. 1987 189. 1953 189. 1918 -63. 1981 -387.
Mild 1928 0. 1975 20. 1990 71. 1984 80. 1945 -283. 1915 -499.
-------------------------------------------------------------------------------------
Table 6.9 Ranked Monthly FDD Accumulations at Muskegon, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1939 4. 1951 83. 1977 355. 1912 650. 1904 549. 1912 281. 1998 0. 1
2 1931 2. 1978 70. 1984 350. 1918 567. 1979 490. 1960 239. 2000 0. 2
3 1918 2. 1904 70. 1990 348. 1977 549. 1899 477. 1899 216. 2002 -28. 3
4 1901 0. 1960 61. 1959 322. 1982 495. 1978 457. 1900 211. 1931 -76. 4
5 1902 0. 1899 59. 2001 300. 1994 490. 1914 446. 1926 164. 1983 -88. 5
6 1903 0. 1930 58. 1920 299. 1920 473. 1936 436. 1984 154. 1987 -89. 6
7 1904 0. 1977 54. 1910 297. 1963 468. 1963 427. 1923 148. 1921 -92. 7
8 1905 0. 1959 50. 1918 295. 1979 466. 1912 421. 1906 135. 1907 -133. 8
9 1906 0. 1957 45. 1964 286. 1904 448. 1901 419. 1950 112. 1992 -141. 9
10 1907 0. 1948 43. 1904 283. 1966 407. 1917 414. 1916 108. 1976 -167. 10
11 1908 0. 1996 42. 1917 274. 1959 405. 1905 410. 1970 104. 1953 -167. 11
12 1909 0. 1956 38. 1963 234. 1970 396. 1934 401. 1965 92. 1932 -173. 12
13 1910 0. 1952 36. 1915 232. 1984 395. 1900 371. 1978 88. 1919 -180. 13
14 1911 0. 1898 36. 1925 232. 1978 387. 1902 342. 1932 88. 1950 -185. 14
15 1912 0. 1979 32. 1986 230. 1971 373. 1974 328. 1996 87. 1973 -202. 15
16 1913 0. 1931 31. 1996 224. 1948 373. 1923 324. 1971 83. 1920 -212. 16
17 1914 0. 1965 25. 1961 220. 1905 367. 1929 322. 1940 83. 1991 -212. 17
18 1915 0. 1972 23. 1981 218. 1985 360. 1994 320. 1934 77. 1926 -220. 18
19 1916 0. 1953 23. 1951 216. 1981 353. 1920 315. 1956 76. 1946 -220. 19
20 1917 0. 1968 22. 1902 209. 1924 338. 1907 313. 1904 61. 1995 -227. 20
21 1919 0. 1975 22. 1927 209. 1962 329. 1962 311. 1959 56. 1938 -238. 21
22 1920 0. 1926 20. 1952 207. 1957 326. 1967 310. 1941 56. 1982 -245. 22
23 1921 0. 1997 19. 1911 205. 1940 319. 1958 308. 1915 56. 1923 -245. 23
24 1922 0. 1937 18. 1974 200. 1972 319. 1916 301. 1972 52. 1928 -247. 24
25 1923 0. 1925 18. 1905 196. 1996 317. 1908 301. 1982 50. 1945 -261. 25
26 1924 0. 1918 16. 1946 193. 1929 315. 1982 293. 1944 43. 1990 -266. 26
27 1925 0. 1905 14. 1956 189. 1961 311. 1985 292. 1980 43. 1933 -266. 27
28 1926 0. 1941 14. 1969 184. 1945 301. 1980 288. 1909 41. 1975 -270. 28
29 1927 0. 1920 13. 1971 184. 1899 299. 1968 286. 1969 41. 1904 -270. 29
30 1928 0. 1970 11. 1899 182. 1999 297. 1913 284. 1901 40. 1936 -272. 30
31 1929 0. 1986 11. 1970 178. 1907 290. 1977 283. 1975 34. 1979 -275. 31
32 1930 0. 1950 11. 1978 178. 1930 288. 1972 279. 1924 32. 1917 -279. 32
33 1932 0. 1943 9. 1979 175. 1968 288. 1959 279. 1937 31. 1961 -284. 33
34 1933 0. 1938 9. 1962 162. 1925 288. 1918 277. 1952 27. 1909 -288. 34
35 1934 0. 1980 9. 1945 160. 1910 284. 1910 274. 1943 27. 1937 -288. 35
36 1935 0. 1961 7. 1994 152. 1922 283. 1947 270. 1954 23. 1943 -290. 36
37 1936 0. 1984 6. 1903 151. 1936 283. 1988 270. 1947 23. 1918 -293. 37
38 1937 0. 1990 5. 1936 144. 1969 281. 1924 261. 1989 9. 1996 -298. 38
39 1938 0. 1966 5. 1930 142. 1988 276. 1970 254. 1962 9. 1939 -304. 39
40 1940 0. 1958 5. 1943 140. 1943 275. 1989 254. 1914 -2. 1954 -304. 40
41 1941 0. 1982 5. 1926 140. 1917 270. 1906 248. 1913 -2. 1942 -306. 41
42 1942 0. 1994 5. 1973 140. 1954 263. 1942 245. 2002 -2. 1956 -311. 42
43 1943 0. 1954 5. 1935 140. 1976 261. 1898 229. 1920 -5. 1934 -311. 43
44 1944 0. 1967 4. 1934 139. 1980 257. 1993 228. 1917 -11. 1944 -313. 44
45 1945 0. 1945 4. 1938 137. 1903 256. 1986 226. 1930 -13. 1972 -315. 45
46 1946 0. 1911 2. 1944 135. 1997 254. 1996 223. 1933 -14. 1997 -316. 46
47 1947 0. 1912 2. 1898 133. 1902 239. 1973 223. 1928 -14. 1940 -317. 47
48 1948 0. 1906 2. 1900 126. 1965 238. 1950 221. 1955 -16. 1949 -326. 48
49 1949 0. 1908 2. 1989 123. 1915 232. 1995 220. 1911 -27. 1971 -326. 49
50 1950 0. 1995 0. 1907 122. 1927 230. 1903 218. 1951 -27. 1935 -326. 50
51 1951 0. 1998 0. 1933 121. 1986 230. 1971 202. 2001 -27. 1911 -328. 51
52 1952 0. 1999 0. 1916 119. 1951 229. 1941 202. 1974 -29. 1951 -331. 52
53 1953 0. 2000 0. 1949 117. 1991 226. 1933 202. 1998 -31. 1922 -338. 53
54 1954 0. 2001 0. 1991 104. 1901 225. 1948 200. 1999 -33. 1927 -342. 54
55 1955 0. 2002 0. 1909 103. 1958 225. 1960 198. 1994 -34. 1905 -342. 55
56 1956 0. 1901 0. 1999 101. 1956 223. 1956 193. 1939 -36. 1966 -346. 56
57 1957 0. 1902 0. 1982 97. 1955 221. 1966 191. 1908 -40. 1898 -346. 57
58 1958 0. 1903 0. 1965 97. 1938 220. 1955 187. 1922 -45. 1916 -347. 58
59 1959 0. 1907 0. 1921 95. 1974 218. 1935 184. 1967 -47. 1993 -347. 59
60 1960 0. 1909 0. 1928 94. 2000 201. 1965 182. 1957 -49. 1924 -353. 60
61 1961 0. 1910 0. 1939 92. 1935 198. 1946 182. 1979 -50. 1999 -356. 61
62 1962 0. 1913 0. 1967 92. 1911 194. 1922 178. 1997 -53. 1902 -358. 62
63 1963 0. 1914 0. 1947 92. 1908 180. 1969 176. 1925 -54. 1908 -360. 63
64 1964 0. 1915 0. 1922 90. 1993 177. 1951 171. 1931 -54. 1989 -364. 64
65 1965 0. 1916 0. 1997 90. 1926 175. 1926 169. 1949 -56. 1930 -364. 65
66 1966 0. 1917 0. 1976 88. 1942 173. 1975 169. 1992 -58. 1959 -364. 66
Table 6.9 cont. Ranked Monthly FDD Accumulations at Muskegon, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1967 0. 1919 0. 2000 88. 1987 172. 1940 158. 1918 -61. 1965 -374. 67
68 1968 0. 1921 0. 1901 86. 1909 171. 1937 151. 1993 -62. 1978 -382. 68
69 1969 0. 1922 0. 1955 86. 1900 166. 1939 149. 1919 -65. 1980 -383. 69
70 1970 0. 1923 0. 1914 85. 1941 158. 2001 147. 1963 -74. 1962 -383. 70
71 1971 0. 1924 0. 1931 81. 1983 158. 1943 146. 1988 -75. 1903 -389. 71
72 1972 0. 1927 0. 2002 77. 1898 155. 1949 144. 1964 -76. 1974 -394. 72
73 1973 0. 1928 0. 1968 76. 1952 155. 1945 133. 1905 -76. 1967 -401. 73
74 1974 0. 1929 0. 1923 74. 1923 149. 1909 131. 1948 -83. 1947 -405. 74
75 1975 0. 1932 0. 1906 70. 1960 144. 1997 129. 1958 -85. 1906 -407. 75
76 1976 0. 1933 0. 1940 67. 1995 143. 1944 126. 1981 -90. 1913 -410. 76
77 1977 0. 1934 0. 1992 50. 1953 140. 1957 122. 1985 -97. 1984 -410. 77
78 1978 0. 1935 0. 1948 50. 1946 139. 1952 117. 1936 -103. 1994 -412. 78
79 1979 0. 1936 0. 1919 49. 1973 131. 1919 117. 1898 -103. 1957 -414. 79
80 1980 0. 1900 0. 1908 49. 1916 126. 1961 113. 1953 -108. 1964 -416. 80
81 1981 0. 1940 0. 1912 43. 1928 124. 1911 112. 1961 -117. 1988 -417. 81
82 1982 0. 1942 0. 1998 38. 1975 122. 1964 112. 1942 -119. 1912 -423. 82
83 1983 0. 1944 0. 1993 37. 1913 122. 1981 110. 1935 -121. 1914 -430. 83
84 1984 0. 1946 0. 1985 36. 1950 121. 1925 103. 1995 -136. 1952 -430. 84
85 1985 0. 1947 0. 1954 34. 1949 119. 1928 85. 1983 -137. 1970 -432. 85
86 1986 0. 1949 0. 1987 33. 1947 117. 1990 84. 1986 -137. 1958 -432. 86
87 1987 0. 1955 0. 1988 33. 2001 112. 1953 81. 1907 -142. 1941 -439. 87
88 1988 0. 1962 0. 1975 31. 1967 106. 1938 77. 1966 -146. 1969 -443. 88
89 1989 0. 1963 0. 1953 29. 1921 104. 1921 68. 1927 -148. 1960 -445. 89
90 1990 0. 1964 0. 1980 27. 1939 97. 1991 66. 1987 -154. 1925 -445. 90
91 1991 0. 1969 0. 1929 27. 1937 95. 1930 59. 1990 -160. 1901 -445. 91
92 1992 0. 1971 0. 1958 20. 1992 93. 1992 56. 1929 -166. 1981 -452. 92
93 1993 0. 1973 0. 1966 18. 1964 92. 1932 52. 1976 -173. 1968 -457. 93
94 1994 0. 1974 0. 1972 16. 1914 90. 1983 52. 1902 -173. 1915 -466. 94
95 1995 0. 1976 0. 1983 16. 1998 84. 1927 50. 1921 -175. 1963 -468. 95
96 1996 0. 1981 0. 1950 11. 1919 76. 1915 43. 1991 -184. 1929 -473. 96
97 1997 0. 1983 0. 1913 9. 1931 43. 1987 38. 1977 -205. 1955 -475. 97
98 1998 0. 1985 0. 1941 9. 1934 41. 1984 -8. 1938 -207. 1899 -477. 98
99 1999 0. 1987 0. 1942 9. 1944 40. 1976 -9. 1968 -212. 1900 -479. 99
100 2000 0. 1988 0. 1924 7. 1932 32. 1999 -9. 1903 -236. 1910 -502. 100
101 2001 0. 1989 0. 1932 0. 1906 31. 2002 -18. 2000 -267. 1986 -521. 101
102 2002 0. 1991 0. 1995 0. 1989 21. 1954 -20. 1973 -292. 2001 -532. 102
103 1898 0. 1992 0. 1957 -2. 1990 -11. 2000 -22. 1946 -293. 1977 -549. 103
104 1899 0. 1993 0. 1937 -5. 2002 -29. 1931 -29. 1910 -295. 1985 -549. 104
105 1900 0. 1939 -4. 1960 -23. 1933 -41. 1998 -91. 1945 -340. 1948 -585. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1930 58. 1920 299. 1920 473. 1936 436. 1984 154. 1987 -89.
Normal 1926 20. 1952 207. 1957 326. 1967 310. 1941 56. 1982 -245.
Below Normal 1947 0. 1954 34. 1949 119. 1928 85. 1983 -137. 1970 -432.
Mild 1989 0. 1932 0. 1906 31. 2002 -18. 2000 -267. 1986 -521.
-------------------------------------------------------------------------------------
Table 6.10 Ranked Monthly FDD Accumulations at Alpena, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 18. 1960 144. 1990 598. 1912 754. 1904 720. 1960 455. 1926 -23. 1
2 1907 7. 1930 133. 1977 529. 1994 744. 1979 653. 1923 394. 1907 -25. 2
3 1914 4. 1934 122. 1918 466. 1918 736. 1934 648. 1926 385. 1950 -63. 3
4 1973 2. 1937 117. 2001 462. 1977 677. 1936 639. 1916 367. 1920 -90. 4
5 1924 2. 1904 115. 1964 430. 1963 677. 1917 632. 1899 356. 1972 -101. 5
6 1918 2. 1996 114. 1959 428. 1920 670. 1963 632. 1912 351. 1975 -112. 6
7 1997 2. 1990 112. 1920 425. 1982 644. 1914 583. 1906 329. 1936 -115. 7
8 1993 1. 1978 108. 1981 416. 1976 603. 1994 567. 1900 324. 1965 -117. 8
9 1989 1. 1979 85. 1984 412. 1961 590. 1962 560. 1972 315. 1904 -121. 9
10 1908 0. 1957 81. 1986 385. 1984 586. 1967 547. 1934 311. 1978 -121. 10
11 1909 0. 1997 81. 1904 385. 1970 571. 1905 540. 1965 299. 1928 -128. 11
12 1910 0. 1931 79. 1961 383. 1979 562. 1912 538. 1943 275. 1917 -131. 12
13 1911 0. 1968 79. 1925 380. 1904 560. 1918 513. 1950 270. 1923 -139. 13
14 1912 0. 1977 76. 1963 365. 1924 549. 1913 513. 1941 261. 1909 -139. 14
15 1913 0. 1952 72. 1996 346. 1945 542. 1968 511. 1984 256. 1914 -139. 15
16 1915 0. 1918 70. 1905 331. 1981 536. 1920 502. 1971 254. 1943 -142. 16
17 1916 0. 1898 70. 1917 329. 1966 531. 1978 500. 1989 245. 1944 -142. 17
18 1917 0. 1970 65. 1911 322. 1971 527. 1974 500. 1970 239. 1939 -146. 18
19 1919 0. 1948 65. 1927 320. 1929 504. 1899 500. 1940 239. 1996 -151. 19
20 1920 0. 1951 63. 1936 319. 1962 499. 1923 499. 1969 234. 1961 -160. 20
21 1921 0. 1912 61. 1915 317. 1905 497. 1929 488. 1939 234. 1982 -162. 21
22 1922 0. 1933 61. 1969 313. 1959 497. 1988 476. 1978 232. 1932 -167. 22
23 1923 0. 1959 59. 1934 310. 1996 495. 1901 473. 1932 227. 1947 -173. 23
24 1925 0. 1956 58. 1974 306. 1978 491. 1916 472. 1904 223. 1930 -180. 24
25 1927 0. 1965 56. 1978 299. 1965 488. 1959 470. 1914 220. 1918 -182. 25
26 1928 0. 1927 54. 1970 293. 1985 486. 1924 455. 1996 220. 1934 -184. 26
27 1929 0. 1986 48. 1907 292. 1957 473. 1972 454. 1975 218. 1956 -184. 27
28 1930 0. 1975 47. 1967 290. 1917 459. 1900 445. 1967 214. 1995 -185. 28
29 1931 0. 1972 47. 1935 284. 1997 457. 1980 443. 1956 212. 1940 -187. 29
30 1932 0. 1941 47. 1956 284. 1927 452. 1993 438. 1928 203. 1971 -189. 30
31 1933 0. 1950 47. 1946 281. 1943 445. 1908 437. 1982 203. 1924 -193. 31
32 1934 0. 1926 43. 1971 281. 1930 443. 1970 434. 1901 202. 1911 -203. 32
33 1935 0. 1905 41. 1943 281. 1925 441. 1907 432. 1944 202. 1919 -203. 33
34 1936 0. 1902 40. 1945 279. 1899 437. 1973 425. 1937 200. 1966 -203. 34
35 1937 0. 1899 40. 1938 277. 1940 427. 1995 419. 1963 198. 1992 -206. 35
36 1938 0. 1939 36. 1965 275. 1999 426. 1910 419. 2002 196. 1953 -209. 36
37 1939 0. 1920 36. 1973 272. 1968 425. 1958 418. 1913 187. 1937 -214. 37
38 1940 0. 1915 36. 1902 268. 1986 425. 1989 418. 1980 185. 1993 -218. 38
39 1941 0. 1987 35. 1930 266. 1938 421. 1996 416. 1959 178. 1997 -219. 39
40 1942 0. 1953 34. 1951 265. 1948 418. 1982 414. 1997 175. 1912 -220. 40
41 1943 0. 1925 34. 1962 265. 1972 418. 1985 403. 1948 175. 1962 -221. 41
42 1944 0. 1976 29. 1926 263. 1936 412. 1928 401. 1947 169. 1989 -221. 42
43 1945 0. 1973 29. 1910 259. 1991 410. 1948 400. 1930 169. 1933 -223. 43
44 1946 0. 1998 29. 1989 259. 1988 408. 1965 394. 1954 167. 1908 -229. 44
45 1947 0. 1906 29. 1899 257. 1935 400. 1946 387. 1905 164. 1983 -232. 45
46 1948 0. 1943 27. 1979 257. 1954 398. 1939 385. 1915 160. 1927 -239. 46
47 1949 0. 1981 27. 1976 256. 1923 396. 1971 380. 1964 157. 1899 -241. 47
48 1950 0. 1983 25. 1903 247. 1922 389. 1947 373. 1917 157. 1898 -243. 48
49 1951 0. 2001 23. 1944 243. 1980 382. 1960 369. 1993 155. 1916 -243. 49
50 1952 0. 1917 23. 1923 241. 2000 370. 1926 365. 1992 154. 1905 -245. 50
51 1953 0. 1980 22. 1909 239. 1915 369. 1942 362. 1962 153. 1967 -247. 51
52 1954 0. 1913 22. 1952 227. 1907 369. 1922 362. 1952 148. 1935 -247. 52
53 1955 0. 1938 20. 1898 223. 1951 365. 1906 358. 1908 148. 1903 -248. 53
54 1956 0. 1969 20. 1922 221. 1969 364. 1986 356. 1955 148. 1980 -252. 54
55 1957 0. 1971 20. 1947 221. 1901 358. 1977 355. 1911 144. 1960 -254. 55
56 1958 0. 1994 20. 1900 220. 1902 355. 1935 349. 1933 142. 1931 -261. 56
57 1959 0. 1982 18. 1916 218. 1960 351. 1933 344. 2001 138. 1922 -263. 57
58 1960 0. 1936 18. 1955 214. 1941 347. 1902 340. 1920 135. 1929 -263. 58
59 1961 0. 1903 18. 1992 210. 1974 347. 1969 322. 1974 131. 2000 -265. 59
60 1962 0. 1929 18. 1931 205. 1903 346. 1941 317. 1924 130. 1954 -266. 60
61 1963 0. 1966 16. 1908 203. 1908 335. 1903 308. 1988 126. 1951 -266. 61
62 1964 0. 1923 16. 1928 198. 1911 335. 1997 307. 1909 122. 1902 -266. 62
63 1965 0. 1995 16. 1968 198. 1967 331. 2001 306. 1931 119. 1979 -272. 63
64 1966 0. 1967 14. 1999 193. 1942 328. 1955 299. 1957 103. 1964 -275. 64
65 1967 0. 1946 14. 1901 189. 1910 326. 1945 299. 1961 101. 1959 -277. 65
66 1968 0. 1908 14. 1994 186. 1926 320. 1950 297. 1949 95. 1973 -277. 66
Table 6.10 cont. Ranked Monthly FDD Accumulations at Alpena, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1969 0. 1901 13. 1997 182. 1955 319. 1964 293. 1951 94. 1946 -279. 67
68 1970 0. 1964 11. 1948 178. 1993 318. 1898 288. 1994 91. 1913 -283. 68
69 1971 0. 1962 9. 1933 176. 1946 317. 1943 288. 1922 88. 1969 -286. 69
70 1972 0. 1919 9. 1982 176. 1928 315. 1940 286. 1999 87. 1974 -288. 70
71 1974 0. 1961 9. 2000 175. 1956 315. 1975 284. 1919 77. 1988 -293. 71
72 1975 0. 1944 7. 1991 166. 1964 313. 1930 279. 1925 68. 1963 -293. 72
73 1976 0. 1922 7. 1949 149. 1983 306. 1951 279. 1918 65. 1957 -293. 73
74 1977 0. 1947 7. 1972 139. 1909 304. 1925 274. 1986 60. 1970 -297. 74
75 1978 0. 1916 5. 1957 137. 1958 297. 1961 270. 1998 58. 1948 -297. 75
76 1979 0. 1954 5. 1941 137. 1975 295. 1990 270. 1936 58. 2002 -300. 76
77 1980 0. 1911 5. 1960 131. 1992 292. 1987 269. 1953 49. 1901 -313. 77
78 1981 0. 1958 5. 1950 130. 1914 290. 1956 266. 1935 47. 1925 -315. 78
79 1982 0. 1945 5. 1985 129. 1973 290. 1909 263. 1985 47. 1938 -317. 79
80 1983 0. 1984 4. 1921 124. 1898 288. 1919 259. 1976 45. 1958 -317. 80
81 1984 0. 2000 4. 1993 122. 1931 277. 1938 259. 1983 38. 1910 -320. 81
82 1985 0. 1921 2. 1975 122. 1947 275. 1966 257. 1942 29. 1900 -324. 82
83 1986 0. 1942 2. 1954 119. 1913 274. 1944 256. 1979 25. 1949 -326. 83
84 1987 0. 1992 2. 1939 119. 1987 274. 1915 248. 1990 22. 1984 -331. 84
85 1988 0. 1940 0. 1980 113. 1939 274. 1976 247. 1907 18. 1994 -337. 85
86 1990 0. 1949 0. 1942 110. 2001 253. 1927 247. 1991 17. 1977 -338. 86
87 1991 0. 1955 0. 1940 108. 1952 252. 1992 240. 1927 5. 1906 -342. 87
88 1992 0. 1963 0. 1906 108. 1937 245. 1952 221. 1966 2. 1999 -345. 88
89 1994 0. 1974 0. 1958 104. 1916 243. 2000 220. 1968 0. 1945 -347. 89
90 1995 0. 1985 0. 1937 90. 1995 241. 1911 220. 1981 -4. 1998 -350. 90
91 1996 0. 1988 0. 1914 90. 1950 238. 1957 220. 1995 -5. 2001 -369. 91
92 1998 0. 1910 0. 1929 88. 1998 232. 1937 218. 1958 -9. 1981 -371. 92
93 1999 0. 1991 0. 2002 88. 1900 230. 1921 216. 1987 -14. 1990 -376. 93
94 2000 0. 1900 0. 1966 88. 1921 220. 1981 212. 1898 -16. 1952 -376. 94
95 2001 0. 1999 0. 1987 87. 1919 218. 1932 203. 1938 -16. 1968 -383. 95
96 2002 0. 2002 0. 1988 81. 1934 207. 1949 203. 1929 -31. 1985 -384. 96
97 1898 0. 1909 0. 1919 79. 1953 203. 1999 201. 1921 -32. 1976 -387. 97
98 1899 0. 1928 0. 1983 77. 1989 188. 1983 194. 1902 -58. 1921 -387. 98
99 1900 0. 1932 0. 1913 74. 1949 173. 1953 194. 1973 -103. 1987 -388. 99
100 1901 0. 1935 0. 1998 74. 2002 169. 2002 191. 1903 -119. 1986 -389. 100
101 1902 0. 1989 -1. 1924 36. 1990 150. 1931 167. 1977 -122. 1941 -401. 101
102 1903 0. 1993 -1. 1932 36. 1906 135. 1991 156. 2000 -155. 1915 -405. 102
103 1904 0. 1924 -2. 1953 31. 1933 130. 1984 87. 1910 -171. 1991 -406. 103
104 1905 0. 1914 -4. 1912 31. 1944 112. 1954 86. 1945 -205. 1955 -421. 104
105 1906 0. 1907 -7. 1995 5. 1932 13. 1998 60. 1946 -214. 1942 -441. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1996 114. 1959 428. 1920 670. 1963 632. 1912 351. 1975 -112.
Normal 1933 61. 1969 313. 1959 497. 1988 476. 1978 232. 1932 -167.
Below Normal 1940 0. 1980 113. 1939 274. 1976 247. 1907 18. 1994 -337.
Mild 1989 -1. 1924 36. 1990 150. 1931 167. 1977 -122. 1941 -401.
-------------------------------------------------------------------------------------
Table 6.11 Ranked Monthly FDD Accumulations at Port Huron, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 11. 1904 95. 1990 492. 1912 659. 1904 542. 1900 268. 1998 0. 1
2 1918 2. 1930 85. 1918 389. 1918 655. 1936 495. 1912 254. 2000 0. 2
3 1907 2. 1957 52. 2001 377. 1977 596. 1934 482. 1916 234. 1953 -7. 3
4 1924 2. 1931 50. 1977 356. 1920 576. 1914 472. 1960 203. 1983 -32. 4
5 1902 0. 1959 50. 1915 340. 1994 527. 1912 457. 1906 191. 1921 -50. 5
6 1903 0. 1918 47. 1904 337. 1904 524. 1905 452. 1926 184. 1949 -76. 6
7 1904 0. 1899 45. 1984 333. 1945 508. 1917 452. 1937 182. 1973 -112. 7
8 1905 0. 1977 45. 1920 324. 1982 491. 1979 430. 1996 179. 2002 -124. 8
9 1906 0. 1951 45. 1911 320. 1963 445. 1916 389. 1940 171. 1907 -146. 9
10 1908 0. 1948 43. 1917 315. 1905 421. 1901 387. 1984 155. 1904 -162. 10
11 1909 0. 1939 40. 1959 315. 1970 409. 1978 387. 1941 130. 1926 -164. 11
12 1910 0. 1912 38. 1925 313. 1940 409. 1900 380. 1932 128. 1944 -180. 12
13 1911 0. 1937 38. 1986 310. 1979 407. 1907 376. 1899 113. 1919 -194. 13
14 1912 0. 1933 36. 1910 286. 1948 403. 1920 371. 1923 104. 1932 -202. 14
15 1913 0. 1950 32. 1964 270. 1943 403. 1923 367. 1944 94. 1946 -211. 15
16 1914 0. 1905 31. 1981 266. 1978 401. 1899 365. 1915 94. 1920 -212. 16
17 1915 0. 1941 29. 1905 252. 1984 393. 1963 349. 1965 85. 1937 -227. 17
18 1916 0. 1978 29. 1961 250. 1929 387. 1908 349. 1978 79. 1975 -230. 18
19 1917 0. 1925 27. 1945 248. 1925 380. 1910 335. 1972 70. 1954 -234. 19
20 1919 0. 1956 25. 1943 247. 1981 378. 1913 322. 1934 68. 1972 -236. 20
21 1920 0. 1975 25. 1996 238. 1976 376. 1929 311. 1950 58. 1943 -243. 21
22 1921 0. 1990 24. 1952 236. 1966 371. 1988 311. 1980 49. 1950 -252. 22
23 1922 0. 1898 22. 1963 236. 1971 367. 1994 307. 1975 43. 1987 -259. 23
24 1923 0. 1926 20. 1936 230. 1957 365. 1982 302. 1970 43. 1917 -261. 24
25 1925 0. 1943 20. 1927 227. 1924 365. 1902 302. 1909 41. 1965 -265. 25
26 1927 0. 1968 20. 1902 221. 1930 365. 1918 301. 1947 38. 1936 -270. 26
27 1928 0. 1944 20. 1946 216. 1985 359. 1924 295. 1904 36. 1995 -275. 27
28 1929 0. 1934 18. 1938 207. 1991 347. 1989 294. 1993 36. 1918 -277. 28
29 1930 0. 1953 18. 1951 205. 1915 346. 1967 293. 1924 34. 1909 -283. 29
30 1931 0. 1938 18. 1926 196. 1936 342. 1993 292. 1928 34. 1982 -283. 30
31 1932 0. 1980 18. 1903 191. 1999 341. 1942 288. 1914 29. 1940 -284. 31
32 1933 0. 1996 17. 1934 184. 1959 340. 1947 284. 1971 27. 1971 -286. 32
33 1934 0. 1902 16. 1930 182. 1917 335. 1972 281. 1933 27. 1961 -297. 33
34 1935 0. 1979 16. 1935 180. 1968 329. 1958 281. 1901 25. 1898 -297. 34
35 1936 0. 1906 16. 1916 175. 1962 322. 1995 279. 1911 25. 1989 -298. 35
36 1937 0. 1960 14. 1944 173. 1961 308. 1968 275. 1939 23. 1996 -299. 36
37 1938 0. 1972 11. 1899 169. 1922 308. 1974 274. 1956 23. 1914 -299. 37
38 1939 0. 1923 11. 1900 167. 1927 304. 1980 270. 1931 16. 1905 -299. 38
39 1940 0. 1966 9. 1923 166. 1938 297. 1906 266. 1982 13. 1923 -306. 39
40 1941 0. 1946 9. 1971 164. 1902 293. 1946 259. 1913 7. 1939 -310. 40
41 1942 0. 1965 7. 1989 163. 1903 288. 1962 256. 1992 5. 1928 -313. 41
42 1943 0. 1903 7. 1994 163. 1997 281. 1926 254. 1989 4. 1911 -313. 42
43 1944 0. 1952 7. 1907 162. 1899 279. 1986 244. 1943 2. 1979 -315. 43
44 1945 0. 1936 7. 1970 162. 1972 275. 1948 236. 1998 0. 1955 -322. 44
45 1946 0. 1997 6. 1974 158. 1935 266. 1996 235. 1930 0. 1992 -327. 45
46 1947 0. 1984 6. 1898 158. 1986 263. 1935 225. 2001 -24. 1976 -328. 46
47 1948 0. 1970 5. 1982 149. 1910 263. 1985 223. 1969 -25. 1978 -333. 47
48 1949 0. 1994 5. 1978 148. 1907 259. 1903 220. 1988 -29. 1901 -335. 48
49 1950 0. 1916 5. 1969 142. 1969 256. 1973 218. 1967 -29. 1966 -335. 49
50 1951 0. 1911 5. 1909 140. 1926 256. 1941 216. 2002 -36. 1908 -337. 50
51 1952 0. 1961 5. 1956 140. 1965 254. 1977 216. 1954 -38. 1930 -338. 51
52 1953 0. 1908 5. 1962 137. 1988 254. 1959 209. 1994 -41. 1916 -338. 52
53 1954 0. 1919 4. 1933 137. 1996 250. 1928 202. 1974 -43. 1997 -342. 53
54 1955 0. 2000 4. 1948 137. 1908 248. 1970 198. 1959 -49. 1924 -344. 54
55 1956 0. 1945 4. 1931 135. 1923 245. 1933 198. 1917 -49. 1956 -351. 55
56 1957 0. 1920 4. 1901 133. 1942 238. 1945 196. 1952 -49. 1927 -351. 56
57 1958 0. 1927 4. 1922 122. 1980 221. 1940 193. 1962 -50. 1912 -355. 57
58 1959 0. 1964 4. 1991 120. 1928 221. 1965 187. 1905 -50. 1938 -362. 58
59 1960 0. 1913 4. 1976 119. 1954 220. 1939 185. 1908 -59. 1903 -362. 59
60 1961 0. 1973 2. 1967 110. 1941 214. 1937 184. 1948 -61. 1988 -363. 60
61 1962 0. 1962 2. 1939 108. 1901 212. 1898 175. 1919 -61. 1933 -365. 61
62 1963 0. 1995 1. 1999 102. 2001 209. 1950 169. 1958 -63. 1993 -367. 62
63 1964 0. 1991 1. 1979 101. 1987 207. 1960 167. 1925 -70. 1984 -374. 63
64 1965 0. 1971 0. 1955 94. 1931 198. 1943 160. 1999 -74. 1931 -374. 64
65 1966 0. 1974 0. 2000 94. 1911 196. 1971 157. 1922 -81. 1913 -378. 65
66 1967 0. 1976 0. 1992 92. 1955 193. 1922 155. 1957 -85. 1935 -378. 66
Table 6.11 cont. Ranked Monthly FDD Accumulations at Port Huron, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1968 0. 1981 0. 1921 88. 1992 191. 1990 154. 1997 -86. 1980 -378. 67
68 1969 0. 1982 0. 1928 86. 1939 189. 1969 151. 1918 -88. 1957 -382. 68
69 1970 0. 1983 0. 1937 85. 2000 188. 1951 151. 1955 -95. 1947 -382. 69
70 1971 0. 1985 0. 1913 85. 1937 176. 1966 149. 1920 -97. 1964 -383. 70
71 1972 0. 1986 0. 1954 83. 1974 175. 1944 146. 1964 -103. 1900 -383. 71
72 1973 0. 1987 0. 1908 81. 1956 171. 1956 140. 1991 -104. 1902 -385. 72
73 1974 0. 1988 0. 1965 81. 1900 169. 1975 135. 1949 -104. 1922 -387. 73
74 1975 0. 1989 0. 1997 77. 1958 167. 1911 135. 1986 -114. 1958 -391. 74
75 1976 0. 1992 0. 1973 76. 1951 158. 1955 133. 1907 -121. 1999 -392. 75
76 1977 0. 1993 0. 1987 73. 1914 157. 1919 122. 1990 -123. 1906 -407. 76
77 1978 0. 1998 0. 1949 72. 1909 153. 1952 121. 1981 -130. 1942 -414. 77
78 1979 0. 1999 0. 2002 72. 1898 149. 1915 119. 1902 -135. 1951 -421. 78
79 1980 0. 2001 0. 1968 72. 1960 142. 1909 117. 1987 -135. 1970 -423. 79
80 1981 0. 2002 0. 1914 59. 1995 140. 1987 115. 1951 -135. 1934 -432. 80
81 1982 0. 1900 0. 1941 58. 1946 140. 1925 110. 1985 -138. 1910 -436. 81
82 1983 0. 1909 0. 1906 50. 1983 139. 1964 110. 1953 -139. 1952 -436. 82
83 1984 0. 1910 0. 1975 47. 1947 133. 2001 109. 1942 -140. 2001 -440. 83
84 1985 0. 1914 0. 1929 47. 1993 131. 1981 106. 1963 -148. 1929 -443. 84
85 1986 0. 1915 0. 1919 43. 1975 124. 1992 106. 1995 -149. 1967 -445. 85
86 1987 0. 1917 0. 1993 37. 1952 121. 1991 103. 1968 -153. 1974 -446. 86
87 1988 0. 1921 0. 1998 34. 1913 121. 1921 94. 1927 -158. 1990 -447. 87
88 1989 0. 1922 0. 1988 32. 1944 113. 1938 72. 1979 -158. 1986 -455. 88
89 1990 0. 1901 0. 1947 29. 1934 110. 1931 70. 1983 -169. 1945 -455. 89
90 1991 0. 1928 0. 1983 23. 1916 104. 1997 70. 1961 -169. 1985 -457. 90
91 1992 0. 1929 0. 1942 23. 1964 103. 1927 65. 1976 -180. 1962 -463. 91
92 1993 0. 1932 0. 1960 18. 1921 99. 1957 65. 1936 -185. 1969 -464. 92
93 1994 0. 1935 0. 1985 14. 1973 97. 1949 65. 1966 -187. 1959 -466. 93
94 1995 0. 1940 0. 1940 14. 1953 88. 1930 65. 1929 -194. 1991 -468. 94
95 1996 0. 1942 0. 1972 13. 1919 85. 1961 63. 1898 -200. 1899 -473. 95
96 1997 0. 1947 0. 1932 11. 1967 81. 2002 58. 1935 -225. 1925 -475. 96
97 1998 0. 1949 0. 1953 11. 1989 66. 1932 43. 1921 -230. 1941 -477. 97
98 1999 0. 1954 0. 1924 5. 1998 57. 1983 40. 1938 -232. 1981 -479. 98
99 2000 0. 1955 0. 1995 4. 1949 38. 1953 29. 1903 -238. 1994 -479. 99
100 2001 0. 1958 0. 1958 2. 1950 38. 1999 23. 1977 -257. 1960 -479. 100
101 2002 0. 1963 0. 1912 -4. 2002 30. 1976 14. 1973 -281. 1963 -493. 101
102 1898 0. 1967 0. 1966 -7. 1990 27. 2000 9. 2000 -295. 1915 -511. 102
103 1899 0. 1969 0. 1980 -9. 1932 20. 1954 -31. 1910 -301. 1968 -527. 103
104 1900 0. 1924 -2. 1957 -16. 1906 11. 1984 -40. 1945 -394. 1977 -529. 104
105 1901 0. 1907 -2. 1950 -29. 1933 -34. 1998 -91. 1946 -412. 1948 -574. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1918 47. 1904 337. 1904 524. 1905 452. 1926 184. 1949 -76.
Normal 1990 24. 1952 236. 1966 371. 1988 311. 1980 49. 1950 -252.
Below Normal 1915 0. 1919 43. 1975 124. 1992 106. 1995 -149. 1967 -445.
Mild 1963 0. 1912 -4. 2002 30. 1976 14. 1973 -281. 1963 -493.
-------------------------------------------------------------------------------------
Table 6.12 Ranked Monthly FDD Accumulations at Detroit, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1964 32. 1904 88. 1990 428. 1912 587. 1934 482. 1960 178. 1973 0. 1
2 1918 4. 1930 70. 2001 389. 1918 587. 1936 464. 1900 176. 1998 0. 2
3 1926 2. 1951 70. 1984 347. 1977 518. 1904 459. 1912 175. 1953 0. 3
4 1901 0. 1937 68. 1918 317. 1920 475. 1901 436. 1984 117. 2000 0. 4
5 1902 0. 1957 59. 1910 315. 1904 455. 1979 425. 1906 117. 1921 0. 5
6 1903 0. 1899 52. 1986 313. 1963 455. 1914 403. 1940 104. 2002 0. 6
7 1904 0. 1959 52. 1915 310. 1994 449. 1905 396. 1899 97. 1919 -2. 7
8 1905 0. 1931 49. 1904 295. 1945 439. 1912 396. 1916 94. 1983 -9. 8
9 1906 0. 1948 40. 1959 295. 1984 436. 1963 369. 1926 94. 1949 -13. 9
10 1907 0. 1956 32. 1920 275. 1970 427. 1978 367. 1932 88. 1976 -14. 10
11 1908 0. 1977 32. 1911 272. 1940 405. 1917 351. 1934 85. 1987 -38. 11
12 1909 0. 1939 31. 1925 272. 1948 387. 1899 342. 1950 65. 1991 -53. 12
13 1910 0. 1953 25. 1963 270. 1979 374. 1900 317. 1965 59. 1995 -67. 13
14 1911 0. 1918 23. 1917 259. 1982 374. 1907 302. 1941 47. 1992 -70. 14
15 1912 0. 1925 22. 1964 254. 1905 362. 1916 301. 1947 34. 1975 -85. 15
16 1913 0. 1978 22. 1946 252. 1985 362. 1908 295. 1996 32. 1932 -88. 16
17 1914 0. 1905 20. 1961 250. 1981 353. 1913 295. 1937 32. 1946 -88. 17
18 1915 0. 1950 20. 1977 241. 1966 353. 1923 292. 1944 27. 1933 -137. 18
19 1916 0. 1941 20. 1952 236. 1957 338. 1920 270. 1978 25. 1931 -146. 19
20 1917 0. 1912 18. 1945 227. 1978 331. 1910 266. 1923 13. 1938 -151. 20
21 1919 0. 1997 18. 1936 221. 1959 331. 1902 265. 1915 5. 1990 -167. 21
22 1920 0. 1965 16. 1996 217. 1971 324. 1947 265. 1970 4. 1954 -169. 22
23 1921 0. 1898 16. 1902 216. 1943 320. 1942 263. 1998 0. 1927 -191. 23
24 1922 0. 1936 14. 1981 214. 1936 320. 1958 259. 1980 -2. 1989 -200. 24
25 1923 0. 1943 14. 1951 205. 1924 319. 1967 248. 1956 -11. 1997 -204. 25
26 1924 0. 1938 14. 1935 203. 1929 319. 1929 248. 2002 -19. 1898 -209. 26
27 1925 0. 1960 14. 1943 200. 1962 302. 1988 244. 1971 -25. 1907 -214. 27
28 1927 0. 1906 14. 1905 194. 1925 295. 1985 241. 1972 -25. 1993 -221. 28
29 1928 0. 1902 13. 1944 187. 1976 292. 1962 238. 1909 -29. 1909 -230. 29
30 1929 0. 1926 11. 1927 187. 1930 283. 1994 232. 1914 -29. 1955 -239. 30
31 1930 0. 1966 11. 1926 182. 1961 277. 1982 232. 1904 -34. 1999 -247. 31
32 1931 0. 1979 11. 1903 175. 1997 274. 1948 220. 1901 -38. 1974 -252. 32
33 1932 0. 1944 9. 1938 175. 1999 270. 1989 214. 1911 -43. 1950 -257. 33
34 1933 0. 1968 9. 1898 169. 1915 266. 1993 214. 1954 -47. 1957 -257. 34
35 1934 0. 1916 7. 1900 160. 1968 259. 1935 212. 1983 -50. 1966 -257. 35
36 1935 0. 1980 7. 1899 158. 1899 257. 1980 209. 1924 -54. 1942 -265. 36
37 1936 0. 1933 7. 1956 157. 1922 256. 1918 209. 1928 -54. 1926 -266. 37
38 1937 0. 1975 5. 1930 151. 1986 254. 1986 207. 1943 -54. 1964 -266. 38
39 1938 0. 1958 5. 1962 148. 1917 252. 1970 202. 1913 -54. 1937 -268. 39
40 1939 0. 1961 5. 1933 146. 1988 250. 1968 198. 1975 -58. 1920 -270. 40
41 1940 0. 1920 5. 1994 142. 1927 247. 1972 193. 1931 -63. 1904 -279. 41
42 1941 0. 1911 5. 1969 139. 1903 245. 1974 193. 1953 -63. 1929 -288. 42
43 1942 0. 1984 5. 1970 137. 1938 238. 1995 191. 1933 -65. 1958 -290. 43
44 1943 0. 1990 4. 1916 126. 1996 230. 1924 191. 1952 -67. 1922 -293. 44
45 1944 0. 1996 4. 1989 125. 1902 229. 1941 187. 1959 -70. 1968 -295. 45
46 1945 0. 1901 2. 1971 124. 2000 223. 1973 185. 1939 -72. 1945 -295. 46
47 1946 0. 1970 2. 1934 122. 1935 221. 1906 182. 1930 -74. 1906 -301. 47
48 1947 0. 1945 2. 1923 122. 1910 216. 1903 180. 1948 -83. 1936 -308. 48
49 1948 0. 1972 2. 1901 117. 1926 214. 1926 175. 1967 -90. 1943 -310. 49
50 1949 0. 1903 2. 1974 113. 1969 214. 1959 169. 1969 -90. 1928 -311. 50
51 1950 0. 1994 1. 1967 106. 1901 212. 1996 165. 1993 -92. 1903 -319. 51
52 1951 0. 2001 0. 1976 101. 1991 210. 1898 158. 1962 -94. 1940 -324. 52
53 1952 0. 2002 0. 1999 99. 1972 203. 1950 155. 1999 -96. 1944 -328. 53
54 1953 0. 1907 0. 1939 97. 1965 200. 1946 153. 2001 -103. 1939 -329. 54
55 1954 0. 1908 0. 1978 95. 1908 196. 1965 153. 1989 -107. 1952 -331. 55
56 1955 0. 1909 0. 2000 94. 1942 191. 1940 151. 1955 -113. 1967 -333. 56
57 1956 0. 1910 0. 1907 92. 1907 189. 1939 144. 1917 -115. 1961 -344. 57
58 1957 0. 1913 0. 1921 92. 1954 185. 1928 140. 1949 -115. 1917 -349. 58
59 1958 0. 1914 0. 1947 92. 1987 183. 1960 131. 1992 -117. 1913 -355. 59
60 1959 0. 1915 0. 1948 92. 1955 178. 1933 130. 1964 -122. 1969 -360. 60
61 1960 0. 1917 0. 1991 89. 1941 178. 1951 126. 1919 -128. 1980 -360. 61
62 1961 0. 1919 0. 1922 88. 2001 177. 1977 122. 1908 -130. 1979 -362. 62
63 1962 0. 1921 0. 1940 85. 1928 175. 1945 117. 1982 -133. 1934 -364. 63
64 1963 0. 1922 0. 2002 81. 1956 175. 1944 113. 1958 -135. 1988 -370. 64
65 1965 0. 1923 0. 1968 81. 1958 167. 1943 113. 1951 -139. 1935 -373. 65
66 1966 0. 1924 0. 1982 79. 1923 157. 1956 113. 1974 -140. 1905 -373. 66
Table 6.12 cont. Ranked Monthly FDD Accumulations at Detroit, MI.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1967 0. 1927 0. 1949 77. 1980 153. 1971 108. 1957 -151. 1918 -378. 67
68 1968 0. 1928 0. 1931 74. 1911 146. 1937 106. 1922 -151. 1972 -378. 68
69 1969 0. 1929 0. 1954 72. 1951 137. 1955 103. 1981 -158. 1947 -380. 69
70 1970 0. 1932 0. 1909 70. 1939 130. 1966 101. 1988 -159. 1965 -382. 70
71 1971 0. 1934 0. 1955 70. 1946 121. 1969 99. 1994 -165. 1914 -387. 71
72 1972 0. 1935 0. 1913 58. 1898 119. 1922 99. 1997 -168. 1930 -387. 72
73 1973 0. 1940 0. 1965 54. 1900 115. 1911 94. 1905 -169. 1923 -396. 73
74 1974 0. 1942 0. 1908 49. 1931 113. 1964 92. 1936 -171. 1951 -398. 74
75 1975 0. 1946 0. 1928 49. 1992 112. 1909 83. 1925 -173. 1908 -401. 75
76 1976 0. 1947 0. 1992 47. 1995 106. 1952 81. 1986 -173. 1982 -401. 76
77 1977 0. 1949 0. 1997 45. 1909 104. 1919 76. 1979 -173. 1996 -403. 77
78 1978 0. 1952 0. 1973 36. 1960 99. 1987 67. 1963 -175. 1971 -409. 78
79 1979 0. 1954 0. 1914 36. 1993 91. 1981 63. 1920 -178. 1985 -409. 79
80 1980 0. 1955 0. 1988 35. 1974 86. 1975 63. 1921 -189. 1956 -410. 80
81 1981 0. 1962 0. 1979 31. 1947 86. 1915 63. 1985 -196. 1978 -410. 81
82 1982 0. 1963 0. 1998 31. 1952 85. 2001 49. 1966 -196. 1924 -419. 82
83 1983 0. 1900 0. 1987 28. 1914 83. 1921 47. 1942 -202. 1911 -419. 83
84 1984 0. 1967 0. 1919 27. 1975 77. 1957 41. 1935 -220. 1960 -423. 84
85 1985 0. 1969 0. 1929 23. 1983 76. 1949 36. 1961 -221. 1912 -425. 85
86 1986 0. 1971 0. 1942 16. 1937 70. 1997 35. 1907 -221. 1910 -427. 86
87 1987 0. 1973 0. 1983 14. 1973 68. 1925 34. 1902 -225. 1941 -430. 87
88 1988 0. 1974 0. 1912 11. 1967 65. 1961 34. 1995 -230. 1916 -445. 88
89 1989 0. 1976 0. 1993 8. 1934 63. 1990 31. 1918 -236. 1925 -452. 89
90 1990 0. 1981 0. 1972 5. 1916 59. 1992 28. 1990 -239. 1984 -457. 90
91 1991 0. 1982 0. 1985 3. 1913 54. 1938 22. 1987 -240. 1902 -459. 91
92 1992 0. 1983 0. 1906 2. 1921 49. 1991 15. 1927 -252. 1981 -470. 92
93 1993 0. 1985 0. 1924 2. 1953 47. 1927 7. 1968 -254. 1901 -477. 93
94 1994 0. 1986 0. 1932 2. 1964 45. 2000 1. 1898 -256. 1900 -488. 94
95 1995 0. 1987 0. 1960 0. 1950 38. 1953 -4. 1991 -261. 1959 -499. 95
96 1996 0. 1988 0. 1995 0. 1944 36. 1931 -23. 1903 -281. 1970 -508. 96
97 1997 0. 1989 0. 1941 -2. 1919 31. 1999 -26. 1973 -290. 2001 -512. 97
98 1998 0. 1991 0. 1953 -4. 1998 30. 1932 -27. 1976 -290. 1963 -520. 98
99 1999 0. 1992 0. 1958 -4. 1932 25. 2002 -31. 1938 -299. 1962 -527. 99
100 2000 0. 1993 0. 1937 -5. 1949 14. 1983 -32. 1929 -301. 1977 -542. 100
101 2001 0. 1995 0. 1975 -5. 1906 -13. 1954 -41. 2000 -318. 1899 -554. 101
102 2002 0. 1998 0. 1980 -7. 2002 -31. 1930 -43. 1977 -374. 1986 -558. 102
103 1898 0. 1999 0. 1966 -11. 1989 -32. 1984 -49. 1910 -374. 1948 -576. 103
104 1899 0. 2000 0. 1950 -20. 1990 -57. 1998 -61. 1946 -436. 1994 -581. 104
105 1900 0. 1964 -31. 1957 -32. 1933 -81. 1976 -88. 1945 -491. 1915 -601. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1899 52. 1986 313. 1963 455. 1914 403. 1940 104. 2002 0.
Normal 1965 16. 1996 217. 1971 324. 1947 265. 1970 4. 1954 -169.
Below Normal 1969 0. 1929 23. 1983 76. 1949 36. 1961 -221. 1912 -425.
Mild 1995 0. 1975 -5. 1906 -13. 1954 -41. 2000 -318. 1899 -554.
-------------------------------------------------------------------------------------
Table 6.13 Ranked Monthly FDD Accumulations at Toledo, OH.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 4. 1951 86. 1990 465. 1977 695. 1978 565. 1960 160. 1909 0. 1
2 1899 0. 1904 72. 2001 422. 1918 565. 1979 473. 1984 156. 1938 0. 2
3 1900 0. 1957 65. 1964 383. 1963 533. 1934 418. 1912 128. 1949 0. 3
4 1901 0. 1899 61. 1984 374. 1912 522. 1936 416. 1900 117. 1898 0. 4
5 1902 0. 1959 58. 1977 374. 1982 504. 1904 414. 1978 104. 1927 0. 5
6 1903 0. 1972 58. 1963 338. 1970 491. 1901 394. 1906 90. 1973 0. 6
7 1904 0. 1930 58. 1959 338. 1945 479. 1963 391. 1965 70. 1998 0. 7
8 1905 0. 1948 56. 1961 333. 1984 478. 1905 376. 1940 58. 1921 0. 8
9 1906 0. 1931 50. 1986 312. 1978 472. 1914 367. 1932 56. 2000 0. 9
10 1907 0. 1978 50. 1918 311. 1994 456. 1912 344. 1916 52. 1953 0. 10
11 1908 0. 1937 49. 1915 306. 1940 448. 1982 333. 1926 41. 2002 0. 11
12 1909 0. 1956 47. 1904 299. 1981 448. 1980 308. 1947 25. 1933 -2. 12
13 1910 0. 1977 45. 1910 293. 1979 448. 1899 297. 1934 23. 1919 -2. 13
14 1911 0. 1939 40. 1946 290. 1920 436. 1917 290. 1950 18. 1992 -7. 14
15 1912 0. 1960 31. 1945 277. 1904 423. 1902 283. 1941 18. 1931 -9. 15
16 1913 0. 1953 29. 1951 275. 1948 410. 1947 281. 1944 11. 1995 -11. 16
17 1914 0. 1968 29. 1952 257. 1985 396. 1958 274. 1899 7. 1983 -29. 17
18 1915 0. 1965 25. 1920 254. 1966 383. 1985 265. 1970 7. 1991 -34. 18
19 1916 0. 1966 23. 1981 248. 1976 380. 1900 256. 1996 4. 1987 -45. 19
20 1917 0. 1975 20. 1917 247. 1957 369. 1967 254. 1998 0. 1932 -56. 20
21 1918 0. 1925 20. 1925 234. 1971 364. 1974 248. 1937 -2. 1946 -61. 21
22 1919 0. 1979 20. 1902 232. 1959 344. 1994 246. 1980 -13. 1954 -77. 22
23 1920 0. 1941 20. 1996 230. 1905 340. 1988 245. 2002 -17. 1990 -89. 23
24 1921 0. 1933 20. 1978 227. 1936 326. 1907 239. 1919 -27. 1908 -112. 24
25 1922 0. 1918 18. 1936 221. 1969 324. 1923 239. 1971 -27. 1907 -128. 25
26 1923 0. 1997 17. 1911 216. 1962 317. 1942 238. 1969 -34. 1913 -146. 26
27 1924 0. 1898 16. 1962 212. 1997 317. 1916 236. 1975 -40. 1939 -148. 27
28 1925 0. 1938 16. 1944 203. 1968 310. 1913 225. 1915 -40. 1989 -150. 28
29 1927 0. 1980 14. 1974 202. 1961 299. 1908 220. 1982 -41. 1928 -151. 29
30 1928 0. 1970 14. 1943 200. 1924 292. 1972 220. 1949 -43. 1922 -153. 30
31 1929 0. 1944 13. 1970 198. 1929 277. 1929 218. 1953 -49. 1937 -157. 31
32 1930 0. 1936 13. 1969 187. 1972 266. 1968 218. 1956 -54. 1929 -164. 32
33 1931 0. 1950 13. 1905 175. 1925 261. 1977 218. 1923 -58. 1935 -166. 33
34 1932 0. 1906 13. 1956 173. 1930 256. 1970 216. 1924 -63. 1997 -173. 34
35 1933 0. 1943 11. 1982 167. 1943 254. 1920 203. 1943 -65. 1950 -173. 35
36 1934 0. 1994 10. 1926 166. 1956 252. 1910 203. 1972 -65. 1911 -176. 36
37 1935 0. 1982 9. 1903 164. 1996 249. 1962 202. 1954 -67. 1930 -178. 37
38 1936 0. 1961 7. 1927 158. 2000 249. 1989 201. 1993 -80. 1903 -182. 38
39 1937 0. 1905 7. 1935 155. 1988 246. 1993 199. 1999 -81. 1955 -196. 39
40 1938 0. 1945 7. 1994 152. 1980 241. 1986 197. 1931 -85. 1993 -197. 40
41 1939 0. 1954 7. 1900 151. 1922 236. 1973 191. 1914 -85. 1999 -202. 41
42 1940 0. 1926 7. 1976 151. 1915 236. 1948 185. 1909 -86. 1910 -203. 42
43 1941 0. 1912 7. 1989 149. 1999 232. 1964 176. 1967 -86. 1976 -209. 43
44 1942 0. 1920 5. 1971 148. 1965 227. 1965 175. 1964 -94. 1942 -212. 44
45 1943 0. 1990 5. 1899 139. 1903 216. 1906 175. 1962 -94. 1952 -223. 45
46 1944 0. 1967 5. 1898 135. 1991 205. 1941 167. 1933 -94. 1957 -261. 46
47 1945 0. 1958 5. 1967 135. 1986 200. 1995 167. 1921 -99. 1925 -263. 47
48 1946 0. 1984 5. 1965 135. 1955 198. 1924 162. 1959 -101. 1906 -266. 48
49 1947 0. 1916 4. 1938 131. 1902 196. 1959 146. 1930 -101. 1975 -266. 49
50 1948 0. 1964 4. 1933 119. 1987 192. 1996 142. 2001 -106. 1961 -284. 50
51 1949 0. 1962 4. 1948 117. 1958 191. 1966 142. 1928 -108. 1926 -304. 51
52 1950 0. 1911 2. 1923 110. 1917 191. 1903 139. 1939 -110. 1920 -313. 52
53 1951 0. 1973 2. 2000 105. 1899 191. 1935 135. 1913 -113. 1914 -315. 53
54 1952 0. 1902 2. 1999 104. 1974 184. 1950 131. 1952 -119. 1943 -317. 54
55 1953 0. 1946 2. 1975 97. 1927 175. 1945 128. 1958 -119. 1982 -319. 55
56 1954 0. 1996 1. 1930 95. 2001 174. 1969 128. 1911 -119. 1904 -333. 56
57 1955 0. 1913 0. 1901 92. 1942 173. 1960 128. 1901 -122. 1966 -335. 57
58 1956 0. 1914 0. 1991 90. 1938 169. 1918 122. 1948 -124. 1944 -340. 58
59 1957 0. 1915 0. 1921 90. 1926 167. 1951 122. 1974 -128. 1941 -344. 59
60 1958 0. 1917 0. 1947 86. 1910 164. 1940 121. 1904 -133. 1958 -347. 60
61 1959 0. 1919 0. 1934 85. 1901 164. 1971 117. 1992 -134. 1936 -351. 61
62 1960 0. 1921 0. 1916 83. 1935 162. 1926 112. 1981 -135. 1988 -353. 62
63 1961 0. 1922 0. 1907 81. 1954 157. 1944 108. 1951 -140. 1923 -358. 63
64 1962 0. 1923 0. 1940 81. 1941 157. 1975 104. 1955 -146. 1940 -362. 64
65 1963 0. 1924 0. 1968 79. 1983 137. 1943 99. 1957 -148. 1916 -371. 65
66 1964 0. 1927 0. 2002 78. 1951 133. 1981 99. 1963 -155. 1905 -378. 66
Table 6.13 cont. Ranked Monthly FDD Accumulations at Toledo, OH.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1965 0. 1928 0. 1922 74. 1908 133. 1898 99. 1994 -155. 1924 -389. 67
68 1966 0. 1929 0. 1954 72. 1946 128. 1939 94. 1989 -156. 1967 -392. 68
69 1967 0. 1932 0. 1939 70. 1928 126. 1946 94. 1983 -171. 1917 -400. 69
70 1968 0. 1934 0. 1949 70. 1973 121. 1956 92. 1917 -175. 1918 -401. 70
71 1969 0. 1935 0. 1979 59. 1995 114. 1937 88. 1988 -178. 1945 -403. 71
72 1970 0. 1940 0. 1973 56. 1907 112. 1928 86. 1966 -189. 1979 -405. 72
73 1971 0. 1942 0. 1955 56. 1992 112. 1955 85. 1922 -198. 1956 -409. 73
74 1972 0. 1947 0. 1931 52. 1964 108. 1933 67. 1968 -203. 1947 -412. 74
75 1973 0. 1949 0. 1928 47. 1960 101. 1987 56. 1942 -207. 1960 -414. 75
76 1974 0. 1952 0. 1988 40. 1967 90. 1952 47. 1979 -207. 1978 -414. 76
77 1975 0. 1955 0. 1997 36. 1975 88. 1922 41. 1997 -210. 1971 -421. 77
78 1976 0. 1963 0. 1987 36. 1900 86. 1983 41. 1925 -212. 1951 -421. 78
79 1977 0. 1969 0. 1992 36. 1993 77. 1961 27. 1961 -218. 1934 -423. 79
80 1978 0. 1971 0. 1914 34. 1937 68. 1919 27. 1936 -223. 1972 -423. 80
81 1979 0. 1974 0. 1913 34. 1923 65. 2001 22. 1986 -224. 1984 -427. 81
82 1980 0. 1976 0. 1998 33. 1911 61. 1957 20. 1985 -226. 1968 -430. 82
83 1981 0. 1981 0. 1909 23. 1939 54. 1911 18. 1905 -232. 1996 -433. 83
84 1982 0. 1983 0. 1983 22. 1947 50. 1909 18. 1920 -232. 1985 -435. 84
85 1983 0. 1985 0. 1919 20. 1944 47. 2002 17. 1908 -239. 1965 -443. 85
86 1984 0. 1986 0. 1942 9. 1931 47. 1997 13. 1987 -239. 1980 -443. 86
87 1985 0. 1987 0. 1980 7. 1909 47. 1953 4. 1902 -243. 1901 -454. 87
88 1986 0. 1988 0. 1912 5. 1898 41. 1991 4. 1991 -265. 1963 -464. 88
89 1987 0. 1989 0. 1908 2. 1952 38. 1921 2. 1995 -270. 1902 -468. 89
90 1988 0. 1991 0. 1993 1. 1998 29. 1915 -7. 1927 -275. 1986 -486. 90
91 1989 0. 1992 0. 1924 0. 1950 25. 1992 -7. 1990 -288. 1962 -488. 91
92 1990 0. 1993 0. 1929 0. 1932 23. 1949 -11. 1898 -290. 1912 -493. 92
93 1991 0. 1995 0. 1932 0. 1953 22. 1990 -17. 1935 -292. 1915 -495. 93
94 1992 0. 1998 0. 1985 0. 1934 7. 1976 -23. 1938 -292. 1964 -497. 94
95 1993 0. 1999 0. 1995 0. 1921 7. 1932 -23. 1977 -295. 1959 -500. 95
96 1994 0. 2000 0. 1958 -5. 1914 2. 1938 -25. 1976 -297. 1974 -502. 96
97 1995 0. 2001 0. 1960 -7. 1906 -2. 1984 -41. 1918 -301. 1900 -504. 97
98 1996 0. 2002 0. 1953 -7. 1916 -2. 1925 -41. 1907 -306. 1970 -506. 98
99 1997 0. 1900 0. 1906 -7. 1913 -4. 2000 -46. 2000 -308. 2001 -512. 99
100 1998 0. 1901 0. 1950 -13. 1919 -18. 1999 -53. 1929 -333. 1969 -518. 100
101 1999 0. 1903 0. 1941 -20. 1949 -18. 1931 -56. 1903 -335. 1981 -536. 101
102 2000 0. 1907 0. 1966 -25. 1989 -44. 1927 -59. 1973 -371. 1994 -570. 102
103 2001 0. 1908 0. 1957 -45. 1990 -76. 1998 -62. 1946 -452. 1899 -581. 103
104 2002 0. 1909 0. 1972 -47. 2002 -78. 1954 -94. 1910 -455. 1948 -601. 104
105 1898 0. 1910 0. 1937 -50. 1933 -110. 1930 -126. 1945 -486. 1977 -637. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1972 58. 1963 338. 1970 491. 1901 394. 1906 90. 1973 0.
Normal 1979 20. 1902 232. 1959 344. 1994 246. 1980 -13. 1954 -77.
Below Normal 1985 0. 1919 20. 1944 47. 2002 17. 1908 -239. 1965 -443.
Mild 1903 0. 1941 -20. 1949 -18. 1931 -56. 1903 -335. 1981 -536.
-------------------------------------------------------------------------------------
Table 6.14 Ranked Monthly FDD Accumulations at Cleveland, OH.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 2. 1951 68. 1990 393. 1977 653. 1978 428. 1960 248. 1938 0. 1
2 1899 0. 1904 65. 1964 313. 1918 522. 1963 407. 1984 129. 1939 0. 2
3 1900 0. 1930 50. 1984 302. 1912 499. 1934 407. 1900 103. 1930 0. 3
4 1901 0. 1959 49. 1918 301. 1963 436. 1904 385. 1906 99. 1953 0. 4
5 1902 0. 1957 45. 1961 295. 1970 410. 1979 365. 1912 94. 1983 0. 5
6 1903 0. 1948 43. 2001 286. 1945 409. 1905 353. 1916 59. 1931 0. 6
7 1904 0. 1977 41. 1910 277. 1920 405. 1901 349. 1915 50. 1898 0. 7
8 1905 0. 1899 41. 1986 273. 1994 391. 1914 335. 1932 50. 1933 0. 8
9 1906 0. 1931 36. 1977 272. 1940 385. 1936 320. 1941 45. 1927 0. 9
10 1907 0. 1937 32. 1959 270. 1904 383. 1912 315. 1926 38. 1935 0. 10
11 1908 0. 1956 32. 1904 256. 1982 378. 1902 310. 1940 32. 1989 0. 11
12 1909 0. 1953 25. 1963 254. 1948 371. 1917 297. 1996 29. 1990 0. 12
13 1910 0. 1978 22. 1946 239. 1981 369. 1899 297. 1971 13. 1991 0. 13
14 1911 0. 1966 14. 1915 234. 1978 369. 1980 297. 1965 9. 1946 0. 14
15 1912 0. 1925 14. 1951 214. 1985 364. 1968 274. 1947 7. 1973 0. 15
16 1913 0. 1980 13. 1996 212. 1984 351. 1916 265. 1937 2. 1974 0. 16
17 1914 0. 1939 13. 1917 207. 1966 349. 1947 263. 1998 0. 1995 0. 17
18 1915 0. 1968 11. 1911 200. 1971 328. 1907 256. 1953 -2. 1921 0. 18
19 1916 0. 1912 11. 1945 200. 1976 322. 1958 247. 1934 -5. 1976 0. 19
20 1917 0. 1938 11. 1920 194. 1961 320. 1900 245. 1949 -5. 1998 0. 20
21 1918 0. 1906 11. 1936 187. 1979 311. 1923 232. 1978 -13. 1909 0. 21
22 1919 0. 1898 11. 1952 185. 1905 297. 1910 229. 2002 -19. 2000 0. 22
23 1920 0. 1965 11. 1981 184. 1968 279. 1942 218. 1919 -20. 1949 0. 23
24 1921 0. 1960 11. 1944 180. 1957 279. 1920 218. 1983 -25. 2002 0. 24
25 1922 0. 1961 7. 1925 178. 1997 259. 1913 212. 1899 -31. 1997 -1. 25
26 1923 0. 1954 7. 1902 169. 1936 256. 1908 202. 1950 -31. 1954 -2. 26
27 1924 0. 1943 7. 1943 162. 1962 254. 1977 198. 1909 -38. 1992 -4. 27
28 1925 0. 1918 7. 1994 154. 1924 250. 1982 193. 1933 -41. 1919 -4. 28
29 1927 0. 1926 5. 1926 149. 1959 248. 1929 193. 1931 -43. 1987 -6. 29
30 1928 0. 1916 5. 1970 149. 1929 218. 1964 191. 1924 -47. 1943 -9. 30
31 1929 0. 1902 5. 1905 146. 1955 209. 1985 191. 1980 -50. 1975 -29. 31
32 1930 0. 1936 4. 1900 131. 1969 205. 1924 191. 1954 -50. 1952 -34. 32
33 1931 0. 1990 4. 1962 131. 1925 203. 1972 182. 1944 -52. 1955 -40. 33
34 1932 0. 1945 4. 1903 126. 1980 203. 1989 174. 1970 -54. 1922 -45. 34
35 1933 0. 1958 4. 1927 124. 1922 198. 1993 173. 1962 -56. 1932 -50. 35
36 1934 0. 1905 4. 1956 112. 1965 196. 1967 173. 1993 -57. 1903 -52. 36
37 1935 0. 1944 2. 1898 110. 1988 190. 1988 172. 1914 -61. 1929 -56. 37
38 1936 0. 1911 2. 1969 97. 1915 185. 1962 171. 2001 -68. 1937 -58. 38
39 1937 0. 1973 2. 1899 97. 1903 184. 1906 153. 1969 -70. 1999 -71. 39
40 1938 0. 1970 2. 1982 92. 1902 184. 1966 151. 1911 -72. 1913 -74. 40
41 1939 0. 1984 1. 1978 92. 1996 180. 1941 149. 1930 -74. 1950 -79. 41
42 1940 0. 1994 1. 2000 91. 1930 178. 1994 148. 1975 -79. 1957 -86. 42
43 1941 0. 1979 0. 1999 88. 1899 175. 1995 137. 1999 -81. 1967 -86. 43
44 1942 0. 1981 0. 1976 86. 1986 166. 1970 133. 1921 -81. 1908 -113. 44
45 1943 0. 1982 0. 1967 86. 1910 166. 1973 122. 1972 -85. 1925 -130. 45
46 1944 0. 1983 0. 2002 85. 1927 164. 1996 120. 1923 -86. 1928 -131. 46
47 1945 0. 1985 0. 1921 85. 2000 159. 1974 119. 1928 -103. 1993 -144. 47
48 1946 0. 1986 0. 1971 83. 1972 149. 1969 117. 1992 -106. 1942 -158. 48
49 1947 0. 1987 0. 1968 79. 1999 147. 1971 115. 1958 -108. 1907 -162. 49
50 1948 0. 1988 0. 1923 70. 1917 146. 1965 113. 1904 -110. 1945 -175. 50
51 1949 0. 1989 0. 1934 68. 1942 146. 1918 110. 1938 -110. 1956 -176. 51
52 1950 0. 1991 0. 1940 63. 1907 146. 1926 110. 1939 -110. 1911 -178. 52
53 1951 0. 1992 0. 1933 61. 1926 146. 1898 108. 1943 -119. 1944 -200. 53
54 1952 0. 1993 0. 1938 58. 1987 143. 1903 101. 1981 -124. 1988 -203. 54
55 1953 0. 1995 0. 1935 58. 1991 140. 1940 101. 1956 -124. 1951 -218. 55
56 1954 0. 1996 0. 1901 56. 1956 137. 1948 99. 1974 -131. 1972 -254. 56
57 1955 0. 1997 0. 1989 55. 2001 124. 1950 97. 1913 -140. 1906 -254. 57
58 1956 0. 1998 0. 1954 54. 1908 124. 1935 95. 1959 -140. 1958 -257. 58
59 1957 0. 1999 0. 1922 52. 1958 121. 1986 91. 1994 -143. 1904 -261. 59
60 1958 0. 2000 0. 1947 52. 1901 119. 1943 85. 1952 -144. 1923 -274. 60
61 1959 0. 2001 0. 1991 48. 1928 112. 1959 83. 1901 -146. 1926 -279. 61
62 1960 0. 2002 0. 1907 45. 1954 110. 1928 83. 1982 -157. 1910 -284. 62
63 1961 0. 1901 0. 1928 41. 1992 108. 1945 76. 1964 -157. 1914 -288. 63
64 1962 0. 1903 0. 1939 40. 1935 106. 1944 74. 1967 -158. 1941 -293. 64
65 1963 0. 1907 0. 1949 40. 1941 97. 1960 72. 1991 -161. 1947 -295. 65
66 1964 0. 1908 0. 1916 38. 1938 94. 1951 59. 1917 -166. 1985 -298. 66
Table 6.14 cont. Ranked Monthly FDD Accumulations at Cleveland, OH.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1965 0. 1909 0. 1914 29. 1946 77. 1937 47. 1968 -171. 1986 -298. 67
68 1966 0. 1910 0. 1998 24. 1995 77. 1975 43. 1989 -174. 1920 -315. 68
69 1967 0. 1913 0. 1992 24. 1964 68. 1987 43. 1988 -175. 1966 -319. 69
70 1968 0. 1914 0. 1948 23. 1900 67. 1946 40. 1973 -176. 1948 -322. 70
71 1969 0. 1915 0. 1987 21. 1983 65. 1955 32. 2000 -177. 1916 -324. 71
72 1970 0. 1917 0. 1931 20. 1951 63. 1933 31. 1966 -178. 1965 -326. 72
73 1971 0. 1919 0. 1919 18. 1939 59. 1956 20. 1905 -187. 2001 -327. 73
74 1972 0. 1920 0. 1988 16. 1923 58. 2002 19. 1957 -189. 1971 -335. 74
75 1973 0. 1921 0. 1942 14. 1973 54. 1919 18. 1997 -189. 1940 -337. 75
76 1974 0. 1922 0. 1983 14. 1975 50. 1981 16. 1951 -189. 1961 -342. 76
77 1975 0. 1923 0. 1975 14. 1960 47. 1961 13. 1987 -201. 1969 -346. 77
78 1976 0. 1924 0. 1979 14. 1911 45. 1911 5. 1955 -203. 1979 -355. 78
79 1977 0. 1927 0. 1913 13. 1909 40. 1922 5. 1990 -207. 1905 -358. 79
80 1978 0. 1928 0. 1974 11. 1993 28. 1952 -2. 1922 -211. 1936 -369. 80
81 1979 0. 1929 0. 1909 9. 1932 22. 1939 -2. 1908 -212. 1901 -374. 81
82 1980 0. 1932 0. 1997 6. 1931 16. 1921 -4. 1948 -212. 1982 -376. 82
83 1981 0. 1933 0. 1972 5. 1898 13. 1909 -11. 1995 -214. 1960 -378. 83
84 1982 0. 1900 0. 1929 5. 1950 11. 1953 -13. 1925 -218. 1924 -394. 84
85 1983 0. 1935 0. 1912 0. 1949 11. 2001 -15. 1963 -220. 1917 -401. 85
86 1984 0. 1940 0. 1941 0. 1937 7. 1992 -22. 1942 -221. 1964 -412. 86
87 1985 0. 1941 0. 1973 0. 1953 2. 1932 -22. 1936 -232. 1918 -416. 87
88 1986 0. 1942 0. 1980 0. 1974 2. 1915 -23. 1986 -232. 1902 -421. 88
89 1987 0. 1946 0. 1985 0. 1998 1. 1998 -25. 1898 -238. 1980 -423. 89
90 1988 0. 1947 0. 1993 0. 1921 0. 1991 -27. 1902 -239. 1984 -423. 90
91 1989 0. 1949 0. 1995 0. 1906 -4. 1931 -27. 1927 -243. 1996 -437. 91
92 1990 0. 1950 0. 1950 0. 1952 -4. 1957 -27. 1961 -247. 1915 -443. 92
93 1991 0. 1952 0. 1924 0. 1944 -4. 1949 -43. 1920 -250. 1981 -445. 93
94 1992 0. 1955 0. 1955 0. 1934 -5. 1927 -47. 1918 -252. 1978 -450. 94
95 1993 0. 1962 0. 1908 0. 1913 -13. 1938 -52. 1985 -257. 1934 -459. 95
96 1994 0. 1963 0. 1932 0. 1919 -13. 1925 -54. 1935 -259. 1900 -459. 96
97 1995 0. 1964 0. 1960 0. 1967 -13. 1983 -54. 1907 -283. 1962 -463. 97
98 1996 0. 1967 0. 1958 -2. 1914 -13. 1990 -65. 1976 -295. 1968 -473. 98
99 1997 0. 1969 0. 1930 -2. 1947 -23. 1997 -75. 1977 -331. 1912 -481. 99
100 1998 0. 1971 0. 1965 -5. 1916 -40. 2000 -75. 1979 -337. 1963 -491. 100
101 1999 0. 1972 0. 1906 -7. 1933 -49. 1984 -83. 1903 -358. 1959 -511. 101
102 2000 0. 1974 0. 1953 -13. 1989 -55. 1999 -83. 1929 -358. 1899 -540. 102
103 2001 0. 1975 0. 1966 -14. 2002 -85. 1976 -115. 1946 -360. 1970 -544. 103
104 2002 0. 1976 0. 1957 -22. 1990 -125. 1954 -121. 1910 -389. 1994 -551. 104
105 1898 0. 1934 -2. 1937 -31. 1943 -128. 1930 -153. 1945 -515. 1977 -581. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1948 43. 2001 286. 1945 409. 1905 353. 1916 59. 1931 0.
Normal 1898 11. 1952 185. 1905 297. 1910 229. 2002 -19. 2000 0.
Below Normal 1935 0. 1912 0. 1949 11. 2001 -15. 1963 -220. 1917 -401.
Mild 1972 0. 1906 -7. 1933 -49. 1984 -83. 1903 -358. 1959 -511.
-------------------------------------------------------------------------------------
Table 6.15 Ranked Monthly FDD Accumulations at Erie, PA.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1918 2. 1904 74. 1990 320. 1977 605. 1979 504. 1960 229. 1921 0. 1
2 1899 0. 1951 54. 1959 272. 1918 527. 1934 504. 1900 160. 1973 0. 2
3 1900 0. 1930 50. 1918 266. 1912 491. 1978 490. 1916 142. 1953 0. 3
4 1901 0. 1937 49. 1977 250. 1970 470. 1904 396. 1978 128. 1949 0. 4
5 1902 0. 1957 41. 2001 249. 1920 425. 1963 389. 1984 125. 1946 0. 5
6 1903 0. 1931 36. 1984 249. 1994 423. 1901 365. 1906 117. 1898 0. 6
7 1904 0. 1959 36. 1961 245. 1940 401. 1914 364. 1970 113. 1998 0. 7
8 1905 0. 1977 34. 1910 230. 1904 398. 1936 362. 1912 110. 1990 0. 8
9 1906 0. 1939 25. 1963 229. 1982 398. 1905 342. 1941 99. 2000 0. 9
10 1907 0. 1948 22. 1904 223. 1945 391. 1917 335. 1996 90. 1991 0. 10
11 1908 0. 1899 22. 1986 212. 1981 385. 1968 328. 1915 88. 2002 0. 11
12 1909 0. 1918 18. 1915 211. 1979 385. 1980 322. 1940 85. 1938 -4. 12
13 1910 0. 1953 18. 1964 209. 1978 378. 1912 320. 1965 77. 1919 -7. 13
14 1911 0. 1956 18. 1920 203. 1963 376. 1916 320. 1926 76. 1983 -11. 14
15 1912 0. 1968 16. 1970 194. 1976 344. 1899 308. 1950 70. 1933 -34. 15
16 1913 0. 1978 14. 1981 191. 1985 336. 1902 304. 1972 68. 1913 -43. 16
17 1914 0. 1925 14. 1936 189. 1966 329. 1907 301. 1971 63. 1932 -61. 17
18 1915 0. 1975 14. 1911 189. 1984 322. 1958 299. 1932 61. 1909 -63. 18
19 1916 0. 1902 14. 1996 175. 1971 311. 1923 279. 1937 50. 1927 -88. 19
20 1917 0. 1980 11. 1946 173. 1948 304. 1920 266. 1934 38. 1987 -99. 20
21 1919 0. 1905 11. 1951 166. 1905 301. 1972 266. 1980 32. 1992 -101. 21
22 1920 0. 1960 9. 1925 166. 1961 288. 1970 250. 1947 11. 1903 -101. 22
23 1921 0. 1926 9. 1917 164. 1957 283. 1908 248. 1956 11. 1995 -102. 23
24 1922 0. 1898 9. 1905 164. 1959 270. 1924 248. 1993 10. 1989 -103. 24
25 1923 0. 1966 9. 1944 157. 1968 265. 1982 241. 1969 5. 1937 -103. 25
26 1924 0. 1961 7. 1927 144. 1936 259. 1947 239. 1998 0. 1929 -106. 26
27 1925 0. 1965 7. 1994 142. 1962 252. 1942 239. 1909 0. 1939 -106. 27
28 1926 0. 1979 7. 1952 137. 1997 245. 1973 232. 1975 -2. 1997 -109. 28
29 1927 0. 1906 7. 1926 130. 1996 231. 1910 229. 1944 -4. 1954 -140. 29
30 1928 0. 1938 7. 1956 126. 1965 229. 1993 222. 1953 -5. 1999 -148. 30
31 1929 0. 1912 5. 1903 124. 1925 220. 1900 221. 2001 -11. 1945 -149. 31
32 1930 0. 1967 5. 1902 124. 1929 211. 1994 220. 1899 -11. 1922 -155. 32
33 1931 0. 1990 5. 1978 122. 1902 209. 1967 220. 1914 -13. 1952 -164. 33
34 1932 0. 1973 4. 1900 122. 1924 203. 1913 218. 2002 -14. 1967 -169. 34
35 1933 0. 1916 4. 1945 121. 1955 200. 1995 214. 1959 -14. 1931 -171. 35
36 1934 0. 1970 4. 1962 119. 1943 196. 1989 212. 1949 -18. 1935 -175. 36
37 1935 0. 2000 3. 1943 113. 1922 196. 1962 211. 1924 -23. 1950 -176. 37
38 1936 0. 1997 2. 1935 94. 1956 196. 1974 209. 1954 -25. 1925 -182. 38
39 1937 0. 1936 2. 1976 94. 1899 180. 1964 209. 1928 -29. 1975 -203. 39
40 1938 0. 1946 2. 1971 92. 1958 180. 1929 203. 1911 -31. 1976 -203. 40
41 1939 0. 1964 0. 1898 90. 1930 176. 1977 196. 1981 -34. 1955 -211. 41
42 1940 0. 1969 0. 1938 88. 1999 172. 1926 185. 1930 -34. 1930 -212. 42
43 1941 0. 1971 0. 1969 88. 1980 169. 1941 180. 1999 -37. 1908 -218. 43
44 1942 0. 1972 0. 1934 81. 1917 169. 1988 180. 1994 -37. 1988 -220. 44
45 1943 0. 1974 0. 1923 81. 1903 169. 1969 178. 1962 -38. 1942 -223. 45
46 1944 0. 1976 0. 1899 76. 1927 167. 1985 172. 1919 -41. 1907 -227. 46
47 1945 0. 1981 0. 2002 75. 1915 167. 1918 171. 1958 -43. 1926 -232. 47
48 1946 0. 1982 0. 1974 74. 1954 166. 1906 169. 1923 -47. 1972 -241. 48
49 1947 0. 1983 0. 1979 70. 1938 160. 1935 167. 1933 -49. 1974 -243. 49
50 1948 0. 1984 0. 2000 70. 1972 157. 1996 162. 1931 -58. 1904 -245. 50
51 1949 0. 1985 0. 1999 69. 1935 155. 1959 160. 1992 -61. 1957 -248. 51
52 1950 0. 1986 0. 1921 68. 1910 155. 1966 155. 1901 -65. 1951 -252. 52
53 1951 0. 1987 0. 1930 65. 1969 153. 1965 151. 1952 -67. 1971 -257. 53
54 1952 0. 1988 0. 1940 65. 2000 151. 1940 148. 1904 -72. 1947 -257. 54
55 1953 0. 1989 0. 1933 63. 1926 149. 1986 141. 1939 -72. 1928 -259. 55
56 1954 0. 1991 0. 1922 59. 1988 148. 1987 131. 1982 -76. 1911 -263. 56
57 1955 0. 1992 0. 1968 59. 1942 144. 1971 130. 1967 -79. 1943 -266. 57
58 1956 0. 1993 0. 1982 59. 1907 140. 1928 126. 1983 -83. 1993 -269. 58
59 1957 0. 1994 0. 1931 47. 1986 139. 1903 117. 1957 -94. 1944 -270. 59
60 1958 0. 1995 0. 1967 47. 1987 137. 1948 108. 1943 -95. 1910 -275. 60
61 1959 0. 1996 0. 1901 47. 1941 131. 1960 101. 1955 -104. 1986 -284. 61
62 1960 0. 1998 0. 1954 47. 2001 127. 1943 101. 1974 -104. 1906 -288. 62
63 1961 0. 1999 0. 1907 47. 1928 126. 1975 101. 1921 -104. 1965 -288. 63
64 1962 0. 2001 0. 1939 41. 1908 126. 1951 101. 1989 -110. 1948 -293. 64
65 1963 0. 2002 0. 1916 40. 1991 122. 1946 97. 1917 -122. 1978 -293. 65
66 1964 0. 1900 0. 1928 38. 1923 103. 1944 97. 1991 -125. 1940 -301. 66
Table 6.15 cont. Ranked Monthly FDD Accumulations at Erie, PA.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1965 0. 1901 0. 1992 34. 1931 99. 1945 97. 1905 -126. 1961 -301. 67
68 1966 0. 1903 0. 1975 32. 1901 99. 1950 94. 1988 -126. 1979 -308. 68
69 1967 0. 1907 0. 1914 31. 1992 92. 1955 92. 1968 -133. 1966 -310. 69
70 1968 0. 1908 0. 1949 29. 1951 74. 1956 90. 1951 -139. 1936 -311. 70
71 1969 0. 1909 0. 1989 27. 1900 74. 1898 88. 1979 -140. 1920 -311. 71
72 1970 0. 1910 0. 1991 23. 1973 74. 1961 74. 1964 -142. 1982 -315. 72
73 1971 0. 1911 0. 1948 22. 1960 70. 1933 72. 1997 -145. 1914 -328. 73
74 1972 0. 1913 0. 1955 22. 1995 67. 1911 67. 1948 -157. 1956 -337. 74
75 1973 0. 1914 0. 1947 22. 1939 67. 1922 63. 1908 -158. 1964 -338. 75
76 1974 0. 1915 0. 1919 20. 1975 65. 1952 56. 1922 -162. 1980 -338. 76
77 1975 0. 1917 0. 1988 19. 1983 63. 1981 49. 1990 -166. 1985 -340. 77
78 1976 0. 1919 0. 1998 18. 1974 61. 1939 45. 1961 -167. 1901 -346. 78
79 1977 0. 1920 0. 1983 18. 1964 59. 1931 45. 1985 -168. 1905 -347. 79
80 1978 0. 1921 0. 1909 9. 1946 43. 1937 41. 1942 -169. 1917 -356. 80
81 1979 0. 1922 0. 1972 9. 1934 41. 2001 41. 1966 -171. 1996 -359. 81
82 1980 0. 1923 0. 1942 7. 1993 37. 1992 36. 1987 -172. 1923 -376. 82
83 1981 0. 1924 0. 1960 7. 1911 36. 1957 34. 1913 -175. 1924 -376. 83
84 1982 0. 1927 0. 1997 5. 1952 36. 1915 29. 1936 -175. 1918 -378. 84
85 1983 0. 1928 0. 1912 5. 1898 34. 1909 27. 1963 -176. 1916 -387. 85
86 1984 0. 1929 0. 1929 4. 1914 29. 1919 23. 1995 -180. 1934 -391. 86
87 1985 0. 1932 0. 1950 4. 1909 25. 1921 18. 1925 -196. 1970 -392. 87
88 1986 0. 1933 0. 1987 3. 1944 20. 1938 16. 1918 -196. 1912 -398. 88
89 1987 0. 1934 0. 1908 2. 1998 20. 1983 14. 1920 -198. 2001 -406. 89
90 1988 0. 1935 0. 1995 2. 1921 18. 2002 4. 1986 -208. 1900 -409. 90
91 1989 0. 1940 0. 1932 0. 1932 14. 1927 4. 1976 -211. 1941 -409. 91
92 1990 0. 1941 0. 1913 0. 1949 11. 2000 3. 1907 -212. 1902 -412. 92
93 1991 0. 1942 0. 1941 0. 1950 11. 1997 3. 1902 -221. 1984 -419. 93
94 1992 0. 1943 0. 1953 0. 1937 9. 1953 -5. 1898 -223. 1960 -419. 94
95 1993 0. 1944 0. 1985 0. 1919 2. 1932 -14. 1927 -227. 1969 -425. 95
96 1994 0. 1945 0. 1993 0. 1913 0. 1949 -18. 2000 -227. 1962 -434. 96
97 1995 0. 1947 0. 1924 0. 1906 -2. 1976 -20. 1935 -238. 1958 -437. 97
98 1996 0. 1949 0. 1958 0. 1953 -9. 1991 -20. 1977 -265. 1963 -443. 98
99 1997 0. 1950 0. 1973 -5. 1947 -14. 1925 -23. 1938 -272. 1959 -455. 99
100 1998 0. 1952 0. 1906 -5. 1967 -25. 1990 -37. 1973 -306. 1981 -463. 100
101 1999 0. 1954 0. 1966 -9. 1989 -27. 1998 -38. 1903 -310. 1977 -472. 101
102 2000 0. 1955 0. 1965 -9. 1916 -41. 1954 -43. 1946 -313. 1899 -473. 102
103 2001 0. 1958 0. 1980 -11. 1933 -52. 1930 -43. 1929 -313. 1968 -490. 103
104 2002 0. 1962 0. 1957 -14. 2002 -65. 1999 -57. 1910 -342. 1915 -491. 104
105 1898 0. 1963 0. 1937 -49. 1990 -122. 1984 -116. 1945 -459. 1994 -512. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1931 36. 1984 249. 1994 423. 1901 365. 1906 117. 1898 0.
Normal 1960 9. 1925 166. 1961 288. 1970 250. 1947 11. 1903 -101.
Below Normal 1928 0. 1912 5. 1898 34. 1909 27. 1963 -176. 1916 -387.
Mild 1954 0. 1966 -9. 1989 -27. 1998 -38. 1903 -310. 1977 -472.
-------------------------------------------------------------------------------------
Table 6.16 Ranked Monthly FDD Accumulations at Buffalo, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1907 2. 1937 76. 1990 443. 1977 563. 1934 571. 1960 245. 1953 0. 1
2 1926 2. 1904 65. 1918 349. 1918 556. 1979 482. 1900 205. 1998 0. 2
3 1918 2. 1930 52. 1961 340. 1920 509. 1978 464. 1941 178. 1921 0. 3
4 1901 0. 1957 49. 1977 313. 1912 508. 1904 441. 1984 173. 2002 -17. 4
5 1902 0. 1959 43. 1959 302. 1945 488. 1914 425. 1926 160. 1919 -43. 5
6 1903 0. 1918 41. 2001 298. 1982 461. 1905 410. 1940 157. 1949 -52. 6
7 1904 0. 1975 38. 1984 291. 1994 453. 1901 396. 1906 153. 1991 -68. 7
8 1905 0. 1939 38. 1963 281. 1970 446. 1917 394. 1916 151. 1926 -88. 8
9 1906 0. 1948 36. 1920 270. 1940 428. 1936 392. 1912 140. 1983 -99. 9
10 1908 0. 1973 34. 1911 270. 1961 421. 1916 380. 1915 131. 1898 -106. 10
11 1909 0. 1977 32. 1964 268. 1948 416. 1963 371. 1937 131. 1943 -146. 11
12 1910 0. 1899 32. 1946 252. 1963 407. 1912 362. 1950 117. 1973 -148. 12
13 1911 0. 1931 29. 1905 243. 1981 396. 1920 349. 1978 117. 1932 -155. 13
14 1912 0. 1951 29. 1915 243. 1904 394. 1907 349. 1932 108. 2000 -159. 14
15 1913 0. 1902 27. 1996 238. 1966 385. 1968 331. 1934 106. 1995 -168. 15
16 1914 0. 1997 26. 1936 238. 1976 382. 1958 326. 1923 85. 1907 -178. 16
17 1915 0. 1946 25. 1981 229. 1968 378. 1967 322. 1996 84. 1933 -184. 17
18 1916 0. 1990 24. 1970 227. 1905 373. 1923 319. 1971 70. 1913 -185. 18
19 1917 0. 1950 22. 1986 223. 1984 362. 1980 315. 1965 67. 1903 -200. 19
20 1919 0. 1978 20. 1956 216. 1978 358. 1942 311. 1947 65. 1904 -202. 20
21 1920 0. 1979 20. 1904 214. 1979 356. 1993 311. 1944 61. 1987 -204. 21
22 1921 0. 1953 20. 1925 211. 1957 355. 1924 308. 1930 61. 1936 -209. 22
23 1922 0. 1925 20. 1927 211. 1985 353. 1899 304. 1970 61. 1939 -212. 23
24 1923 0. 1926 20. 1943 211. 1971 347. 1962 299. 1914 58. 1975 -220. 24
25 1924 0. 1956 20. 1910 207. 1943 331. 1947 292. 1972 58. 1928 -227. 25
26 1925 0. 1905 18. 1945 205. 1925 319. 1972 292. 1943 54. 1961 -234. 26
27 1927 0. 1968 18. 1917 202. 1959 302. 1908 284. 1939 52. 1946 -234. 27
28 1928 0. 1965 14. 1944 198. 1962 293. 1926 284. 1909 52. 1950 -238. 28
29 1929 0. 1941 14. 1934 191. 1996 287. 1995 277. 1928 49. 1940 -245. 29
30 1930 0. 1960 14. 1971 191. 1922 275. 1902 275. 1956 47. 1914 -247. 30
31 1931 0. 1898 13. 1969 189. 1936 275. 1910 275. 1975 38. 1920 -248. 31
32 1932 0. 1972 13. 1935 173. 1927 272. 1913 274. 1969 36. 1917 -252. 32
33 1933 0. 1934 13. 1952 173. 1954 266. 1974 272. 1967 34. 1923 -252. 33
34 1934 0. 2001 13. 1926 167. 1965 261. 1929 268. 1959 34. 1937 -261. 34
35 1935 0. 1944 13. 1903 167. 1999 257. 1900 257. 1933 34. 1908 -263. 35
36 1936 0. 1906 11. 1907 162. 1929 257. 1973 256. 1911 32. 1954 -265. 36
37 1937 0. 1966 11. 1974 155. 1935 256. 1918 254. 1993 30. 1997 -268. 37
38 1938 0. 1933 11. 1994 153. 2000 253. 1989 253. 1924 27. 1935 -270. 38
39 1939 0. 1961 7. 1951 153. 1942 241. 1994 250. 1999 25. 1905 -272. 39
40 1940 0. 1952 7. 1976 149. 1917 238. 1964 250. 2001 18. 1972 -274. 40
41 1941 0. 1980 7. 1930 144. 1941 234. 1982 248. 1980 5. 1944 -274. 41
42 1942 0. 1996 6. 1978 133. 1956 234. 1941 234. 1992 4. 1965 -275. 42
43 1943 0. 1943 5. 1916 131. 1938 232. 1935 230. 1899 4. 1924 -275. 43
44 1944 0. 1923 5. 1962 131. 1924 230. 1996 221. 1904 -11. 1938 -283. 44
45 1945 0. 1970 5. 1898 128. 1930 229. 1959 218. 1962 -13. 1930 -283. 45
46 1946 0. 1984 4. 1938 128. 1955 225. 1988 217. 1982 -13. 1982 -288. 46
47 1947 0. 1938 4. 1900 121. 1902 223. 1986 212. 1931 -16. 1971 -293. 47
48 1948 0. 1964 4. 1923 117. 1969 218. 1969 207. 1901 -20. 1909 -293. 48
49 1949 0. 1987 3. 1948 115. 1997 218. 1940 207. 1905 -22. 1989 -303. 49
50 1950 0. 1908 2. 1947 113. 1958 214. 1977 207. 1954 -27. 1918 -310. 50
51 1951 0. 1945 2. 1967 113. 1926 209. 1946 207. 1974 -31. 1988 -311. 51
52 1952 0. 1916 2. 1982 110. 1915 205. 1985 203. 1917 -34. 1912 -311. 52
53 1953 0. 1962 2. 2000 104. 1986 203. 1970 203. 1908 -36. 1957 -313. 53
54 1954 0. 1912 2. 1955 104. 1899 203. 1950 202. 1998 -36. 1996 -313. 54
55 1955 0. 1994 1. 1922 104. 1972 202. 1966 198. 1989 -40. 1978 -315. 55
56 1956 0. 1913 0. 1940 103. 1931 200. 1948 196. 1997 -40. 1951 -319. 56
57 1957 0. 1914 0. 1902 99. 1907 200. 1987 196. 1952 -47. 1916 -322. 57
58 1958 0. 1915 0. 1999 93. 1923 198. 1928 193. 1994 -51. 1934 -322. 58
59 1959 0. 1917 0. 1992 90. 1980 193. 1906 182. 1949 -52. 1911 -324. 59
60 1960 0. 1919 0. 1989 87. 1987 185. 1944 176. 1955 -54. 1990 -325. 60
61 1961 0. 1920 0. 1931 85. 1903 184. 1965 175. 1981 -58. 1952 -326. 61
62 1962 0. 1921 0. 1899 79. 1991 180. 1943 173. 1964 -59. 1927 -326. 62
63 1963 0. 1922 0. 1965 79. 1910 180. 1945 162. 1961 -67. 1956 -331. 63
64 1964 0. 1924 0. 1909 77. 1939 178. 1961 155. 2002 -77. 1966 -337. 64
65 1965 0. 1927 0. 1949 74. 1928 178. 1911 153. 1958 -77. 1906 -337. 65
66 1966 0. 1928 0. 1979 72. 1908 173. 1971 144. 1918 -79. 1947 -340. 66
Table 6.16 cont. Ranked Monthly FDD Accumulations at Buffalo, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1967 0. 1929 0. 1933 72. 1960 173. 1903 142. 1966 -83. 1900 -346. 67
68 1968 0. 1932 0. 2002 72. 1900 169. 1960 139. 1948 -86. 1929 -349. 68
69 1969 0. 1935 0. 1928 72. 1901 169. 1931 139. 1913 -86. 1992 -358. 69
70 1970 0. 1936 0. 1921 70. 1988 161. 1922 137. 1936 -92. 1963 -365. 70
71 1971 0. 1940 0. 1901 70. 1983 157. 1898 131. 1907 -95. 1979 -367. 71
72 1972 0. 1942 0. 1968 59. 1974 151. 1939 131. 1922 -95. 1976 -374. 72
73 1973 0. 1947 0. 1960 58. 2001 147. 1951 130. 1951 -101. 1925 -383. 73
74 1974 0. 1949 0. 1954 54. 1992 146. 1933 128. 1953 -103. 1962 -387. 74
75 1975 0. 1954 0. 1939 49. 1973 139. 1992 119. 1963 -106. 1922 -387. 75
76 1976 0. 1955 0. 1991 43. 1934 139. 1955 117. 1988 -107. 1955 -389. 76
77 1977 0. 1958 0. 1988 40. 1946 133. 1956 108. 1919 -108. 1931 -392. 77
78 1978 0. 1963 0. 1973 38. 1911 119. 1938 99. 1985 -112. 1902 -396. 78
79 1979 0. 1967 0. 1914 36. 1898 119. 2001 94. 1968 -113. 1999 -400. 79
80 1980 0. 1969 0. 1998 32. 1952 110. 1937 94. 1925 -115. 1901 -414. 80
81 1981 0. 1971 0. 1919 29. 1951 108. 1919 88. 1957 -121. 1959 -419. 81
82 1982 0. 1974 0. 1942 29. 1909 104. 1952 85. 1920 -128. 1967 -423. 82
83 1983 0. 1976 0. 1912 27. 1993 97. 1930 83. 1942 -128. 1980 -425. 83
84 1984 0. 1981 0. 1953 25. 1914 95. 1975 81. 1986 -129. 1974 -425. 84
85 1985 0. 1982 0. 1932 20. 1921 88. 1921 77. 1935 -131. 1910 -428. 85
86 1986 0. 1983 0. 1997 18. 1964 85. 1927 74. 1927 -133. 1942 -443. 86
87 1987 0. 1985 0. 1995 17. 1944 70. 1990 71. 1983 -144. 1969 -443. 87
88 1988 0. 1986 0. 1983 16. 1967 68. 1983 68. 1990 -160. 1984 -444. 88
89 1989 0. 1988 0. 1929 13. 1998 66. 1909 65. 1976 -164. 1964 -446. 89
90 1990 0. 1989 0. 1908 11. 1947 65. 1915 59. 1987 -177. 1993 -446. 90
91 1991 0. 1991 0. 1975 9. 1995 62. 2000 55. 1938 -180. 1970 -446. 91
92 1992 0. 1992 0. 1993 8. 1975 61. 1997 46. 1991 -187. 1985 -446. 92
93 1993 0. 1993 0. 1972 7. 1919 32. 1953 40. 1995 -188. 1915 -448. 93
94 1994 0. 1995 0. 1913 2. 1949 22. 1957 36. 1929 -189. 1977 -448. 94
95 1995 0. 1998 0. 1985 2. 1953 22. 1925 34. 1979 -193. 1981 -454. 95
96 1996 0. 1999 0. 1924 0. 1937 20. 1991 32. 1902 -221. 1899 -463. 96
97 1997 0. 2000 0. 1958 0. 1989 15. 1932 27. 1910 -238. 1958 -464. 97
98 1998 0. 2002 0. 1980 -2. 1950 9. 1999 25. 1921 -239. 2001 -465. 98
99 1999 0. 1901 0. 1987 -3. 1906 9. 2002 16. 1977 -241. 1945 -473. 99
100 2000 0. 1903 0. 1906 -7. 2002 6. 1949 7. 2000 -253. 1986 -474. 100
101 2001 0. 1900 0. 1957 -9. 1916 2. 1976 5. 1898 -283. 1941 -491. 101
102 2002 0. 1909 0. 1966 -11. 1913 2. 1981 -25. 1903 -293. 1960 -491. 102
103 1898 0. 1910 0. 1950 -11. 1932 0. 1954 -29. 1973 -320. 1994 -494. 103
104 1899 0. 1911 0. 1941 -16. 1990 -53. 1998 -62. 1945 -383. 1948 -504. 104
105 1900 0. 1907 -2. 1937 -56. 1933 -65. 1984 -68. 1946 -385. 1968 -515. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1918 41. 2001 298. 1982 461. 1905 410. 1940 157. 1949 -52.
Normal 1953 20. 1925 211. 1957 355. 1924 308. 1930 61. 1936 -209.
Below Normal 1982 0. 1932 20. 1921 88. 1921 77. 1935 -131. 1910 -428.
Mild 1900 0. 1957 -9. 1916 2. 1976 5. 1898 -283. 1941 -491.
-------------------------------------------------------------------------------------
Table 6.17 Ranked Monthly FDD Accumulations at Rochester, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1898 0. 1904 83. 1990 462. 1918 536. 1934 542. 1960 297. 1921 0. 1
2 1899 0. 1937 76. 1918 358. 1994 531. 1979 513. 1941 212. 1953 0. 2
3 1900 0. 1918 52. 1959 329. 1945 522. 1904 455. 1900 203. 1998 0. 3
4 1901 0. 1902 49. 1964 320. 1977 511. 1978 441. 1984 192. 2002 0. 4
5 1902 0. 1930 47. 1961 304. 1981 504. 1914 412. 1916 180. 1919 -34. 5
6 1903 0. 1939 43. 1911 301. 1982 493. 1901 398. 1940 144. 1973 -58. 6
7 1904 0. 1957 43. 2001 283. 1920 491. 1963 394. 1906 135. 1898 -72. 7
8 1905 0. 1959 40. 1946 279. 1912 481. 1936 383. 1950 135. 1983 -74. 8
9 1906 0. 1997 38. 1945 272. 1970 434. 1905 380. 1926 121. 1995 -81. 9
10 1907 0. 1948 34. 1920 268. 1940 421. 1917 373. 1912 119. 1933 -90. 10
11 1908 0. 1990 34. 1977 263. 1948 419. 1993 373. 1937 112. 1949 -119. 11
12 1909 0. 1899 32. 1963 263. 1904 405. 1916 371. 1971 110. 1932 -131. 12
13 1910 0. 1931 32. 1905 254. 1963 394. 1980 358. 1956 103. 1991 -142. 13
14 1911 0. 1975 32. 1904 252. 1957 392. 1958 355. 1996 102. 2000 -150. 14
15 1912 0. 1973 31. 1981 248. 1961 392. 1912 347. 1992 83. 1938 -153. 15
16 1913 0. 1950 29. 1915 239. 1971 389. 1907 340. 1915 81. 1913 -158. 16
17 1914 0. 1977 27. 1936 238. 1968 382. 1968 328. 1965 79. 1929 -180. 17
18 1915 0. 1905 27. 1956 238. 1976 380. 1924 320. 1932 74. 1903 -184. 18
19 1916 0. 1972 25. 1986 235. 1905 360. 1923 311. 1978 74. 1943 -196. 19
20 1917 0. 1941 25. 1943 234. 1984 359. 1908 311. 1944 72. 1975 -218. 20
21 1918 0. 1956 22. 1971 232. 1943 358. 1994 305. 1923 65. 1937 -220. 21
22 1919 0. 1968 18. 1984 231. 1985 327. 1962 299. 1993 61. 1926 -227. 22
23 1920 0. 1944 18. 1944 223. 1979 326. 1967 297. 1947 61. 1944 -243. 23
24 1921 0. 1925 16. 1927 218. 1965 322. 1920 297. 1959 56. 1907 -248. 24
25 1922 0. 1960 16. 1970 218. 1966 322. 1947 293. 1972 56. 1904 -252. 25
26 1923 0. 1951 16. 1996 210. 1959 315. 1913 290. 2001 53. 1950 -265. 26
27 1924 0. 1953 14. 1925 209. 1954 295. 1942 283. 1914 40. 1971 -270. 27
28 1925 0. 1933 14. 1910 209. 1922 293. 1910 277. 1970 38. 1927 -277. 28
29 1926 0. 1898 14. 1917 200. 1925 293. 1973 274. 1999 37. 1965 -279. 29
30 1927 0. 1926 14. 1903 196. 1941 284. 1902 270. 1901 27. 1909 -290. 30
31 1928 0. 1966 14. 1935 194. 1962 283. 1899 270. 1909 25. 1961 -290. 31
32 1929 0. 1952 14. 1934 189. 1999 282. 1989 269. 1939 20. 1936 -299. 32
33 1930 0. 1979 13. 1907 182. 1978 279. 1974 268. 1911 20. 1914 -299. 33
34 1931 0. 1906 13. 1952 178. 1956 277. 1941 266. 1934 16. 1997 -299. 34
35 1932 0. 1996 12. 1951 175. 2000 274. 1959 266. 1975 14. 1987 -300. 35
36 1933 0. 1965 11. 1994 168. 1935 270. 1900 261. 1904 13. 1989 -301. 36
37 1934 0. 1978 11. 1948 164. 1902 268. 1982 254. 1943 9. 1939 -302. 37
38 1935 0. 1946 11. 1976 160. 1936 268. 1972 250. 1899 9. 1972 -306. 38
39 1936 0. 2001 10. 1969 160. 1955 265. 1948 247. 1930 5. 1920 -306. 39
40 1937 0. 1943 9. 1926 153. 1996 258. 1946 241. 1969 0. 1956 -306. 40
41 1938 0. 2000 7. 1930 142. 1958 254. 1988 239. 1954 0. 1931 -310. 41
42 1939 0. 1962 7. 1955 135. 1923 250. 1987 236. 1994 -1. 1940 -313. 42
43 1940 0. 1980 5. 1947 135. 1980 248. 1918 234. 1928 -5. 1906 -324. 43
44 1941 0. 1961 5. 1902 133. 1927 238. 1970 232. 1989 -8. 1917 -324. 44
45 1942 0. 1916 4. 1900 130. 1997 238. 1964 232. 1980 -11. 1996 -328. 45
46 1943 0. 1934 4. 1962 128. 1929 234. 1926 230. 1924 -13. 1982 -337. 46
47 1944 0. 1984 4. 1922 128. 1942 234. 1995 229. 1967 -14. 1928 -340. 47
48 1945 0. 1994 3. 1898 126. 1917 232. 1944 229. 1933 -18. 1930 -342. 48
49 1946 0. 1987 3. 1916 126. 1960 230. 1940 216. 1997 -26. 1976 -342. 49
50 1947 0. 1945 2. 1923 126. 1907 225. 1950 214. 1974 -31. 1924 -344. 50
51 1948 0. 1964 2. 1978 126. 1938 225. 1935 212. 1955 -32. 1905 -346. 51
52 1949 0. 1982 2. 1901 124. 1986 219. 1986 212. 1952 -40. 1925 -347. 52
53 1950 0. 1912 2. 1899 121. 1988 218. 1929 211. 2002 -41. 1978 -349. 53
54 1951 0. 1917 2. 1938 121. 1991 213. 1996 198. 1982 -45. 1954 -349. 54
55 1952 0. 1938 2. 1982 117. 1901 212. 1945 193. 1962 -49. 1923 -351. 55
56 1953 0. 1913 2. 1940 112. 1969 212. 1906 185. 1958 -52. 1992 -353. 56
57 1954 0. 1908 2. 1989 109. 1924 209. 1977 185. 1905 -58. 1912 -358. 57
58 1955 0. 1919 0. 1974 108. 1987 208. 1966 182. 1917 -58. 1990 -360. 58
59 1956 0. 1920 0. 1992 108. 1899 203. 1985 180. 1949 -65. 1979 -360. 59
60 1957 0. 1921 0. 2000 99. 1903 200. 1965 178. 1948 -65. 1966 -362. 60
61 1958 0. 1922 0. 1999 97. 1908 200. 1955 175. 1961 -72. 1946 -362. 61
62 1959 0. 1923 0. 1949 92. 1915 198. 1960 173. 1988 -73. 1985 -363. 62
63 1960 0. 1924 0. 1979 88. 1910 191. 1969 169. 1957 -74. 1908 -369. 63
64 1961 0. 1927 0. 1909 85. 1972 185. 1951 164. 1964 -76. 1911 -369. 64
65 1962 0. 1928 0. 1967 83. 1939 185. 1943 158. 1981 -77. 1935 -373. 65
66 1963 0. 1929 0. 1921 83. 1930 184. 1928 157. 1998 -82. 1947 -374. 66
Table 6.17 cont. Ranked Monthly FDD Accumulations at Rochester, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1964 0. 1932 0. 1942 79. 1992 180. 1956 151. 1931 -90. 1922 -378. 67
68 1965 0. 1935 0. 1931 79. 1931 180. 1911 149. 1908 -95. 1988 -379. 68
69 1966 0. 1936 0. 1960 77. 1946 176. 1971 142. 1951 -104. 1910 -382. 69
70 1967 0. 1940 0. 1928 77. 1926 169. 1939 131. 1942 -110. 1934 -383. 70
71 1968 0. 1942 0. 1965 74. 1914 155. 1898 131. 1919 -110. 1952 -385. 71
72 1969 0. 1947 0. 1993 66. 1974 153. 1961 126. 1918 -112. 1918 -392. 72
73 1970 0. 1949 0. 1954 61. 2001 153. 1992 119. 1963 -115. 1951 -394. 73
74 1971 0. 1954 0. 1968 58. 1983 144. 1903 113. 1968 -122. 1967 -398. 74
75 1972 0. 1955 0. 2002 57. 1993 142. 1922 106. 1920 -126. 1999 -399. 75
76 1973 0. 1958 0. 1988 56. 1900 142. 1931 106. 1913 -131. 1962 -409. 76
77 1974 0. 1963 0. 1914 56. 1951 142. 1975 103. 1953 -137. 1916 -414. 77
78 1975 0. 1967 0. 1939 45. 1911 139. 1933 99. 1966 -142. 1901 -425. 78
79 1976 0. 1969 0. 1991 43. 1934 137. 1952 99. 1985 -144. 1963 -425. 79
80 1977 0. 1970 0. 1941 40. 1928 135. 2001 97. 1922 -151. 1902 -427. 80
81 1978 0. 1971 0. 1972 36. 1898 133. 1937 85. 1986 -154. 1957 -428. 81
82 1979 0. 1974 0. 1998 35. 1952 131. 1983 81. 1991 -156. 1984 -436. 82
83 1980 0. 1976 0. 1919 34. 1964 115. 1909 79. 1987 -157. 1959 -436. 83
84 1981 0. 1981 0. 1933 34. 1973 110. 1990 77. 1976 -158. 1993 -446. 84
85 1982 0. 1983 0. 1980 34. 1944 104. 1919 77. 1983 -160. 1964 -457. 85
86 1983 0. 1985 0. 1953 32. 1909 99. 1915 76. 1907 -162. 1969 -468. 86
87 1984 0. 1986 0. 1912 31. 1921 90. 1938 70. 1936 -164. 1900 -470. 87
88 1985 0. 1988 0. 1932 31. 1947 86. 1957 58. 1925 -164. 2001 -470. 88
89 1986 0. 1989 0. 1975 20. 1975 81. 2000 54. 1990 -165. 1980 -475. 89
90 1987 0. 1991 0. 1995 18. 1998 63. 1930 52. 1935 -178. 1958 -475. 90
91 1988 0. 1992 0. 1929 11. 1989 54. 1921 52. 1995 -202. 1986 -477. 91
92 1989 0. 1993 0. 1987 10. 1949 54. 1953 49. 1979 -202. 1977 -477. 92
93 1990 0. 1995 0. 1950 7. 1953 43. 1997 43. 1927 -209. 1994 -478. 93
94 1991 0. 1998 0. 1983 7. 1995 37. 1932 43. 1921 -221. 1981 -481. 94
95 1992 0. 1999 0. 1997 6. 1919 32. 1999 42. 1902 -229. 1942 -482. 95
96 1993 0. 2002 0. 1957 5. 1967 31. 1991 42. 1977 -239. 1899 -491. 96
97 1994 0. 1900 0. 1908 5. 1937 22. 1949 40. 1938 -261. 1970 -493. 97
98 1995 0. 1901 0. 1924 0. 1913 0. 1927 31. 1929 -274. 1974 -497. 98
99 1996 0. 1903 0. 1913 0. 1906 -2. 2002 3. 2000 -284. 1960 -500. 99
100 1997 0. 1907 0. 1985 0. 1950 -11. 1954 -2. 1910 -293. 1948 -509. 100
101 1998 0. 1909 0. 1958 0. 1932 -18. 1925 -2. 1903 -322. 1968 -522. 101
102 1999 0. 1910 0. 1906 -11. 2002 -19. 1981 -7. 1973 -326. 1941 -531. 102
103 2000 0. 1911 0. 1966 -16. 1916 -20. 1998 -16. 1898 -331. 1955 -542. 103
104 2001 0. 1914 0. 1973 -32. 1933 -36. 1976 -38. 1946 -349. 1945 -551. 104
105 2002 0. 1915 0. 1937 -72. 1990 -48. 1984 -49. 1945 -364. 1915 -583. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
-------------------------------------------------------------------------------------
Above Normal 1939 43. 1911 301. 1982 493. 1901 398. 1940 144. 1973 -58.
Normal 1968 18. 1984 231. 1985 327. 1962 299. 1993 61. 1926 -227.
Below Normal 1983 0. 1980 34. 1944 104. 1919 77. 1983 -160. 1964 -457.
Mild 1909 0. 1958 0. 1932 -18. 1925 -2. 1903 -322. 1968 -522.
-------------------------------------------------------------------------------------
Table 6.18 Ranked Monthly FDD Accumulations at Oswego, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
1 1926 2. 1904 86. 1990 490. 1918 565. 1934 596. 1900 247. 1998 0. 1
2 1899 0. 1937 68. 1918 430. 1994 565. 1979 495. 1916 234. 2002 0. 2
3 1900 0. 1939 43. 1964 355. 1920 558. 1904 468. 1960 187. 1953 -18. 3
4 1901 0. 1918 43. 1959 326. 1912 522. 1914 441. 1912 182. 1921 -95. 4
5 1902 0. 1902 43. 1911 322. 1970 504. 1978 409. 1984 179. 2000 -110. 5
6 1903 0. 1930 41. 1981 319. 1981 495. 1905 405. 1926 171. 1933 -126. 6
7 1904 0. 1931 38. 1905 319. 1977 495. 1936 398. 1941 169. 1949 -130. 7
8 1905 0. 1905 34. 1920 308. 1904 482. 1908 392. 1906 166. 1926 -157. 8
9 1906 0. 1934 32. 1956 277. 1945 479. 1907 391. 1940 158. 1943 -160. 9
10 1907 0. 1979 31. 1936 266. 1982 470. 1916 389. 1923 131. 1983 -182. 10
11 1908 0. 1933 27. 1977 266. 1940 459. 1917 380. 1937 128. 1907 -189. 11
12 1909 0. 1975 25. 1935 265. 1976 428. 1923 378. 1950 128. 1991 -189. 12
13 1910 0. 1997 25. 1904 263. 1968 421. 1901 373. 1978 115. 1932 -198. 13
14 1911 0. 1957 25. 1927 261. 1948 396. 1924 371. 1972 112. 1973 -203. 14
15 1912 0. 1948 23. 1903 259. 1957 392. 1912 358. 1956 108. 1965 -203. 15
16 1913 0. 1959 23. 1915 259. 1925 389. 1993 352. 1944 99. 1995 -206. 16
17 1914 0. 1926 23. 2001 259. 1905 385. 1980 351. 1915 99. 1975 -212. 17
18 1915 0. 1941 23. 1925 254. 1971 374. 1913 337. 1932 92. 1972 -220. 18
19 1916 0. 1978 22. 1961 243. 1961 369. 1968 335. 1965 90. 1904 -221. 19
20 1917 0. 1977 20. 1943 241. 1935 367. 1963 324. 1905 88. 1919 -221. 20
21 1918 0. 1950 20. 1970 236. 1922 367. 1994 318. 1939 88. 1898 -230. 21
22 1919 0. 1990 18. 1934 234. 1943 364. 1920 317. 1996 85. 1944 -230. 22
23 1920 0. 1968 16. 1944 232. 1923 362. 1918 313. 1911 81. 1940 -234. 23
24 1921 0. 1996 14. 1984 228. 1985 362. 1899 306. 1992 80. 1913 -236. 24
25 1922 0. 1925 13. 1946 227. 1978 356. 1926 306. 1993 78. 1920 -238. 25
26 1923 0. 1899 13. 1971 227. 1984 356. 1972 301. 1899 76. 1956 -252. 26
27 1924 0. 1906 11. 1907 223. 1965 326. 1910 295. 1904 72. 1914 -252. 27
28 1925 0. 1956 11. 1963 221. 1996 313. 1973 292. 1971 70. 1971 -254. 28
29 1927 0. 1944 11. 1996 214. 1966 313. 1958 283. 1914 67. 1917 -254. 29
30 1928 0. 1973 11. 1910 207. 1954 308. 1942 283. 1934 63. 1978 -256. 30
31 1929 0. 1946 9. 1986 201. 1979 304. 1995 277. 1901 59. 1950 -256. 31
32 1930 0. 1898 7. 1945 194. 1936 299. 1974 275. 1909 52. 1939 -257. 32
33 1931 0. 1960 7. 1917 193. 1902 297. 1962 275. 1928 47. 1954 -257. 33
34 1932 0. 1953 7. 1976 184. 1927 292. 1947 272. 1969 47. 1905 -265. 34
35 1933 0. 1943 4. 1922 182. 1941 290. 1948 272. 1975 45. 1961 -265. 35
36 1934 0. 1965 4. 1951 171. 1963 288. 1900 270. 1970 43. 1936 -268. 36
37 1935 0. 2000 3. 1969 171. 1997 283. 1902 270. 1959 31. 1923 -272. 37
38 1936 0. 1945 2. 1952 167. 1917 279. 1964 266. 1947 27. 1928 -275. 38
39 1937 0. 1972 2. 1923 167. 1959 277. 1959 266. 1994 24. 1924 -281. 39
40 1938 0. 1907 2. 1948 160. 1907 275. 1946 263. 1924 16. 1909 -283. 40
41 1939 0. 1912 2. 1930 158. 1999 270. 1967 261. 2001 10. 1912 -290. 41
42 1940 0. 1980 2. 1994 157. 1955 270. 1935 254. 1918 5. 1908 -290. 42
43 1941 0. 1962 2. 1901 151. 1956 266. 1940 252. 1930 4. 1966 -292. 43
44 1942 0. 1908 2. 1989 149. 1903 265. 1989 251. 1989 3. 1929 -293. 44
45 1943 0. 1952 2. 1978 148. 1938 265. 1987 250. 1917 2. 1930 -295. 45
46 1944 0. 1966 2. 1902 142. 1899 259. 1906 239. 1933 2. 1937 -299. 46
47 1945 0. 1942 2. 1974 137. 1914 257. 1929 238. 1999 -1. 1987 -307. 47
48 1946 0. 1969 2. 1926 137. 1942 254. 1928 236. 1943 -2. 1996 -309. 48
49 1947 0. 1970 2. 1898 135. 1958 250. 1986 234. 1955 -2. 1989 -313. 49
50 1948 0. 1986 1. 1940 131. 1931 248. 1941 232. 1967 -5. 1911 -313. 50
51 1949 0. 1994 1. 1909 128. 1901 247. 1970 230. 1980 -7. 1918 -317. 51
52 1950 0. 1999 0. 1899 124. 1991 240. 1950 225. 2002 -8. 1935 -320. 52
53 1951 0. 2001 0. 1938 122. 1939 239. 1996 215. 1974 -23. 1934 -322. 53
54 1952 0. 2002 0. 1947 122. 1988 238. 1965 212. 1997 -25. 1916 -324. 54
55 1953 0. 1900 0. 1916 119. 2000 238. 1969 212. 1908 -31. 1992 -326. 55
56 1954 0. 1901 0. 1900 115. 1929 238. 1911 211. 1982 -34. 1967 -329. 56
57 1955 0. 1903 0. 1931 112. 1986 235. 1977 211. 1952 -34. 1903 -331. 57
58 1956 0. 1909 0. 1942 97. 1987 230. 1982 202. 1961 -36. 1927 -331. 58
59 1957 0. 1910 0. 1955 97. 1908 230. 1944 200. 1948 -38. 1947 -331. 59
60 1958 0. 1911 0. 1992 95. 1898 227. 1988 193. 1962 -40. 1946 -333. 60
61 1959 0. 1913 0. 1962 92. 1962 225. 1931 173. 1920 -43. 1963 -333. 61
62 1960 0. 1914 0. 1982 92. 1910 221. 1943 171. 1919 -45. 1938 -335. 62
63 1961 0. 1915 0. 1960 88. 1924 216. 1985 167. 1964 -45. 1979 -335. 63
64 1962 0. 1916 0. 1921 86. 1930 216. 1922 166. 1954 -56. 1906 -338. 64
65 1963 0. 1917 0. 1949 85. 1934 214. 1939 162. 1988 -57. 1997 -340. 65
66 1964 0. 1919 0. 1967 85. 1926 214. 1951 162. 1922 -65. 1982 -344. 66
Table 6.18 cont. Ranked Monthly FDD Accumulations at Oswego, NY.
-------------------------------------------------------------------------------------
October November December January February March April
Rank year FDD year FDD year FDD year FDD year FDD year FDD year FDD Rank
-------------------------------------------------------------------------------------
67 1965 0. 1920 0. 2000 83. 1992 214. 1966 160. 1958 -67. 1925 -349. 67
68 1966 0. 1921 0. 1999 78. 1964 211. 1971 155. 1968 -67. 1900 -353. 68
69 1967 0. 1922 0. 1928 74. 1915 209. 1898 151. 1981 -74. 1901 -356. 69
70 1968 0. 1923 0. 1965 70. 1980 205. 1930 151. 1963 -74. 1962 -360. 70
71 1969 0. 1924 0. 1979 68. 1972 203. 1903 149. 1907 -74. 1951 -365. 71
72 1970 0. 1927 0. 1973 68. 1969 203. 1945 148. 1931 -79. 1964 -371. 72
73 1971 0. 1928 0. 1939 56. 1974 200. 1955 144. 1949 -83. 1922 -373. 73
74 1972 0. 1929 0. 1988 55. 1983 194. 1975 135. 1935 -92. 1952 -374. 74
75 1973 0. 1932 0. 1914 54. 1911 193. 1961 131. 1957 -95. 1988 -379. 75
76 1974 0. 1935 0. 1968 49. 1960 189. 1915 130. 1951 -99. 1984 -381. 76
77 1975 0. 1936 0. 1933 49. 1946 187. 1909 128. 1985 -108. 1959 -385. 77
78 1976 0. 1938 0. 1932 47. 1900 171. 1956 126. 1913 -110. 1999 -387. 78
79 1977 0. 1940 0. 1919 47. 1921 169. 1992 122. 1925 -110. 1902 -389. 79
80 1978 0. 1947 0. 1953 47. 2001 154. 1960 119. 1998 -113. 1931 -394. 80
81 1979 0. 1949 0. 1972 45. 1909 153. 1938 119. 1966 -124. 1980 -394. 81
82 1980 0. 1951 0. 2002 44. 1993 151. 1919 117. 1936 -126. 1957 -400. 82
83 1981 0. 1954 0. 1941 43. 1928 148. 1921 106. 1983 -130. 1899 -407. 83
84 1982 0. 1955 0. 1993 42. 1952 139. 1933 104. 1953 -135. 1993 -410. 84
85 1983 0. 1958 0. 1991 37. 1947 135. 1983 101. 1942 -135. 1970 -412. 85
86 1984 0. 1961 0. 1954 31. 1944 130. 1952 97. 1991 -142. 1960 -414. 86
87 1985 0. 1963 0. 1912 31. 1951 128. 2001 97. 1927 -146. 1969 -418. 87
88 1986 0. 1964 0. 1998 31. 1973 126. 1932 94. 1995 -149. 1958 -418. 88
89 1987 0. 1967 0. 1906 31. 1975 104. 1937 92. 1990 -153. 1990 -421. 89
90 1988 0. 1971 0. 1995 30. 1919 103. 1927 90. 1976 -157. 1985 -423. 90
91 1989 0. 1974 0. 1980 23. 1989 96. 1990 80. 1986 -158. 1977 -432. 91
92 1990 0. 1976 0. 1975 20. 1949 86. 1953 67. 1902 -166. 1968 -436. 92
93 1991 0. 1981 0. 1983 20. 1998 85. 1957 58. 1938 -171. 1976 -437. 93
94 1992 0. 1982 0. 1937 18. 1916 63. 1997 57. 1987 -173. 1955 -445. 94
95 1993 0. 1983 0. 1957 16. 1995 48. 2000 57. 1979 -175. 1981 -445. 95
96 1994 0. 1984 0. 1997 12. 1906 40. 1925 54. 1929 -191. 1948 -448. 96
97 1995 0. 1985 0. 1929 11. 1953 36. 1991 54. 1977 -200. 2001 -450. 97
98 1996 0. 1987 0. 1924 11. 1950 11. 1999 41. 1910 -212. 1942 -461. 98
99 1997 0. 1988 0. 1913 9. 1913 2. 1949 40. 1903 -261. 1910 -461. 99
100 1998 0. 1989 0. 1950 5. 1937 -4. 1976 38. 1921 -266. 1915 -466. 100
101 1999 0. 1991 0. 1908 5. 1967 -11. 2002 -1. 2000 -271. 1994 -471. 101
102 2000 0. 1992 0. 1958 2. 1990 -15. 1998 -3. 1898 -288. 1986 -473. 102
103 2001 0. 1993 0. 1985 2. 2002 -35. 1981 -9. 1973 -290. 1941 -475. 103
104 2002 0. 1995 0. 1987 0. 1932 -38. 1954 -25. 1946 -311. 1945 -484. 104
105 1898 0. 1998 0. 1966 -2. 1933 -59. 1984 -33. 1945 -333. 1974 -488. 105
-------------------------------------------------------------------------------------
Severity Index November December January February March April
Upper Bound year FDD year FDD year FDD year FDD year FDD year FDD
---------------------------------------------------------------------------------------------------------------------------------------------------------
Above Normal 1930 41. 1981 319. 1981 495. 1905 405. 1926 171. 1933 -126.
Normal 1990 18. 1934 234. 1943 364. 1920 317. 1996 85. 1944 -230.
Below Normal 1958 0. 1991 37. 1947 135. 1983 101. 1942 -135. 1970 -412.
Mild 1991 0. 1908 5. 1967 -11. 2002 -1. 2000 -271. 1994 -471.
-------------------------------------------------------------------------------------