GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 215, Approximate Location: 45.97 N. Latitude, 85.87 W. Longitude Site Name Port Inland Harbor on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1934 3 27 44 -1 -1 -1 -1 -1 -1 -1 231.TIF 1934 4 17 20 28 -1 -1 -1 -1 -1 -1 234.TIF 1934 4 24 -1 -1 DI -1 -1 -1 -1 -1 -1 235.TIF 1935 3 19 14 -1 -1 -1 -1 -1 -1 -1 239.TIF 1935 3 26 10 -1 -1 -1 -1 -1 -1 -1 240.TIF 1935 4 2 7 9 -1 -1 -1 -1 -1 -1 241.TIF 1935 4 9 6 8 -1 -1 -1 -1 -1 -1 242.TIF 1936 3 17 24 30 -1 -1 -1 -1 -1 -1 245.TIF 1936 4 6 -1 -1 IP -1 -1 -1 -1 -1 -1 248.TIF 1937 3 15 20 -1 -1 -1 -1 -1 -1 -1 255.TIF 1937 4 5 20 -1 -1 -1 -1 -1 -1 -1 258.TIF 1937 4 12 -1 -1 BK -1 -1 -1 -1 -1 -1 259.TIF (CUT) 1938 3 21 25 -1 -1 -1 -1 -1 -1 -1 263.TIF 1939 3 6 16 -1 -1 -1 -1 -1 -1 -1 268.TIF 1939 3 13 17 -1 -1 -1 -1 -1 -1 -1 269.TIF 1939 3 20 18 -1 -1 -1 -1 -1 -1 -1 270.TIF 1939 3 27 -1 -1 SO -1 -1 -1 -1 -1 -1 271.TIF 1940 3 4 9 -1 -1 -1 -1 -1 -1 -1 277.TIF 1940 3 11 9 -1 -1 -1 -1 -1 -1 -1 278.TIF 1940 3 18 10 -1 -1 -1 -1 -1 -1 -1 279.TIF 1940 3 24 12 -1 -1 -1 -1 -1 -1 -1 280.TIF 1940 4 1 12 -1 -1 -1 -1 -1 -1 -1 281.TIF 1941 3 3 14 -1 -1 -1 -1 -1 -1 -1 285.TIF 1941 3 10 16 -1 -1 -1 -1 -1 -1 -1 286.TIF 1941 3 31 -1 -1 DI -1 -1 -1 -1 -1 -1 289.TIF 1942 3 9 13 22 -1 -1 -1 -1 -1 -1 292.TIF 1942 3 16 20 -1 -1 -1 -1 -1 -1 -1 293.TIF 1942 3 23 18 -1 BK -1 -1 -1 -1 -1 -1 294.TIF 1943 3 8 37 -1 -1 -1 -1 -1 -1 -1 299.TIF 1943 3 15 35 -1 -1 -1 -1 -1 -1 -1 300.TIF 1943 3 22 34 -1 -1 -1 -1 -1 -1 -1 301.TIF 1943 3 29 23 -1 -1 -1 -1 -1 -1 -1 302.TIF 1943 3 29 -1 -1 WI 18 30 -1 -1 -1 -1 302.TIF 1944 3 6 11 -1 -1 -1 -1 -1 -1 -1 308.TIF 1944 3 13 15 -1 -1 -1 -1 -1 -1 -1 309.TIF 1944 3 20 15 -1 -1 -1 -1 -1 -1 -1 310.TIF 1944 4 3 -1 -1 LI -1 -1 -1 -1 -1 -1 312.TIF 1945 3 19 23 -1 -1 -1 -1 -1 -1 -1 315.TIF 1946 3 18 15 -1 -1 -1 -1 -1 -1 -1 320.TIF 1946 3 25 9 -1 -1 -1 -1 -1 -1 -1 321.TIF 1946 4 1 -1 -1 BK -1 -1 RT -1 -1 -1 -1 322.TIF 1947 3 3 24 -1 -1 -1 -1 -1 -1 -1 326.TIF 1947 3 10 25 -1 -1 -1 -1 -1 -1 -1 327.TIF 1947 3 17 24 -1 -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 22 -1 RT -1 -1 -1 -1 -1 -1 329.TIF 1948 3 8 18 -1 -1 -1 -1 -1 -1 -1 335.TIF 1948 3 15 18 20 IP -1 -1 BV -1 -1 -1 -1 336.TIF 1948 3 22 20 -1 IP -1 -1 BV -1 -1 -1 -1 337.TIF 1948 3 29 18 -1 -1 -1 -1 -1 -1 -1 338.TIF TO 5Mi OUT 1949 2 28 20 -1 -1 -1 -1 -1 -1 -1 526.TIF 1949 3 7 20 -1 -1 -1 -1 -1 -1 -1 341.TIF 1949 3 14 12 16 -1 -1 -1 -1 -1 -1 343.TIF 1949 3 21 16 20 -1 -1 -1 -1 -1 -1 345.TIF 1950 3 6 25 -1 -1 -1 -1 -1 -1 -1 350.TIF 1950 3 13 21 27 -1 -1 -1 -1 -1 -1 351.TIF 1950 3 20 28 30 -1 -1 -1 -1 -1 -1 352.TIF 1950 3 27 24 25 -1 -1 -1 -1 -1 -1 353.TIF 1950 4 10 18 20 -1 -1 -1 -1 -1 -1 355.TIF 1951 3 5 17 20 -1 -1 -1 -1 -1 -1 360.TIF 1951 3 12 18 20 -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 18 -1 -1 -1 -1 -1 -1 -1 362.TIF 1951 3 26 -1 -1 BK -1 -1 -1 -1 -1 -1 363.TIF 1952 2 25 10 12 -1 -1 -1 -1 -1 -1 367.TIF 1952 3 3 10 12 -1 -1 -1 -1 -1 -1 368.TIF 1952 3 10 13 14 -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 12 14 -1 -1 -1 -1 -1 -1 370.TIF 1952 3 24 8 14 BK -1 -1 -1 -1 -1 -1 371.TIF 1953 2 24 9 -1 -1 -1 -1 -1 -1 -1 375.TIF 1953 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 375.TIF INNER HARBOR 1953 2 24 -1 -1 BK -1 -1 -1 -1 -1 -1 375.TIF OUTER HARBOR 1953 3 9 9 13 SO -1 -1 -1 -1 -1 -1 376.TIF 1953 3 16 8 12 RT -1 -1 -1 -1 -1 -1 378.TIF 1953 3 23 -1 -1 BK -1 -1 -1 -1 -1 -1 379.TIF 1953 3 23 8 12 SO -1 -1 -1 -1 -1 -1 379.TIF IN SLIPS 1954 3 1 12 14 SO -1 -1 -1 -1 -1 -1 381.TIF 1954 3 1 12 14 BK -1 -1 -1 -1 -1 -1 381.TIF IN SLIPS 1954 3 8 12 15 -1 -1 -1 -1 -1 -1 382.TIF INNER HARBOR 1954 3 8 2 -1 -1 -1 -1 -1 -1 -1 382.TIF OUTER HARBOR 1954 3 15 12 15 -1 -1 -1 -1 -1 -1 383.TIF INNER HARBOR 1954 3 15 2 -1 -1 -1 -1 -1 -1 -1 383.TIF OUTER HARBOR 1954 3 22 10 14 -1 -1 -1 -1 -1 -1 384.TIF INNER HARBOR 1955 2 28 12 16 -1 -1 -1 -1 -1 -1 389.TIF 1955 3 7 12 18 -1 -1 -1 -1 -1 -1 391.TIF 1955 3 14 14 22 -1 -1 -1 -1 -1 -1 393.TIF 1955 3 21 14 22 -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 -1 -1 LI -1 -1 -1 -1 -1 -1 395.TIF 1956 2 27 12 24 WI -1 -1 -1 -1 -1 -1 397.TIF 1956 3 5 14 24 -1 -1 -1 -1 -1 -1 399.TIF 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 399.TIF OUTER HARBOR 1956 3 12 14 27 -1 -1 -1 -1 -1 -1 401.TIF INNER HARBOR 1956 3 19 12 25 -1 -1 -1 -1 -1 -1 402.TIF INNER HARBOR 1956 3 19 -1 -1 LF -1 -1 DI -1 -1 -1 -1 402.TIF OUTER HARBOR 1956 3 26 -1 -1 BK -1 -1 -1 -1 -1 -1 403.TIF (CUT) 1956 3 26 -1 -1 DI -1 -1 -1 -1 -1 -1 403.TIF OUTER HARBOR 1956 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 404.TIF 1957 3 11 19 21 SO -1 -1 -1 -1 -1 -1 411.TIF 1957 3 25 19 21 -1 -1 -1 -1 -1 -1 413.TIF 1957 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 414.TIF 1958 3 3 14 16 -1 -1 -1 -1 -1 -1 417.TIF 1958 3 10 14 18 RT -1 -1 -1 -1 -1 -1 418.TIF 1958 3 17 14 17 RT -1 -1 WI -1 -1 -1 -1 419.TIF 1958 3 24 12 14 -1 -1 -1 -1 -1 -1 420.TIF 1958 3 31 10 12 CL -1 -1 NS -1 -1 -1 -1 421.TIF 1959 3 2 28 43 SO -1 -1 SM -1 -1 -1 -1 424.TIF TO 4 TO 5Mi OUT 1959 3 9 34 44 SO -1 -1 WI -1 -1 -1 -1 425.TIF 1959 3 16 34 44 SO -1 -1 BV -1 -1 WI -1 -1 426.TIF 1959 3 23 32 39 -1 -1 -1 -1 -1 -1 427.TIF 1959 3 23 32 39 SO -1 -1 -1 -1 -1 -1 427.TIF INNER HARBOR 1959 3 23 32 39 BK -1 -1 -1 -1 -1 -1 427.TIF OUTER HARBOR 1959 3 30 31 34 SO -1 -1 RT -1 -1 -1 -1 429.TIF INNER HARBOR 1959 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 429.TIF OUTER HARBOR 1959 4 6 27 28 -1 -1 -1 -1 -1 -1 430.TIF 1959 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 430.TIF OUTER HARBOR 1960 2 19 14 -1 -1 -1 -1 -1 -1 -1 523.TIF 1960 2 19 -1 -1 OW -1 -1 -1 -1 -1 -1 523.TIF OUTER HARBOR 1960 2 29 13 -1 BK -1 -1 -1 -1 -1 -1 522.TIF 1960 3 7 13 -1 WI -1 -1 -1 -1 -1 -1 434.TIF 1960 3 14 15 -1 WI -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 18 -1 -1 -1 -1 -1 -1 -1 436.TIF PILE CLUSTER TO LIGHT 1960 3 28 20 -1 -1 -1 -1 -1 -1 -1 437.TIF 1960 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 438.TIF OUTER HARBOR 1961 2 27 22 -1 SO -1 -1 -1 -1 -1 -1 440.TIF 1961 3 6 22 -1 -1 -1 -1 -1 -1 -1 441.TIF 1961 3 13 23 -1 -1 -1 -1 -1 -1 -1 442.TIF INNER HARBOR 1961 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 442.TIF OUTER HARBOR 1961 3 20 20 -1 IJ -1 -1 -1 -1 -1 -1 443.TIF INNER HARBOR 1961 3 27 19 -1 -1 -1 -1 -1 -1 -1 444.TIF INNER HARBOR 1962 2 26 24 36 IP -1 -1 BV -1 -1 -1 -1 447.TIF 1962 3 5 24 26 -1 -1 -1 -1 -1 -1 448.TIF 1962 3 12 20 26 -1 -1 -1 -1 -1 -1 449.TIF 1962 3 19 20 26 -1 -1 -1 -1 -1 -1 450.TIF TO 3Mi OUT 1962 3 26 20 24 -1 -1 -1 -1 -1 -1 451.TIF 1962 4 2 21 -1 SL 4 -1 RT -1 -1 -1 -1 452.TIF 1962 4 9 -1 -1 RT -1 -1 -1 -1 -1 -1 453.TIF IN SLIPS 1962 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 454.TIF 1963 3 4 28 -1 -1 -1 -1 -1 -1 -1 457.TIF 1963 3 11 28 -1 -1 -1 -1 -1 -1 -1 458.TIF 1963 3 18 28 -1 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 29 -1 -1 -1 -1 -1 -1 -1 460.TIF 1963 4 8 17 -1 -1 -1 -1 -1 -1 -1 462.TIF 1964 3 2 15 -1 FS -1 -1 -1 -1 -1 -1 466.TIF 1964 3 9 -1 -1 NS -1 -1 SW -1 -1 -1 -1 467.TIF 1964 3 16 14 -1 -1 -1 -1 -1 -1 -1 468.TIF N HALF OF HARBOR 1964 3 16 -1 -1 LF -1 -1 -1 -1 -1 -1 468.TIF S HALF OF HARBOR 1964 3 23 -1 -1 LF -1 -1 -1 -1 -1 -1 469.TIF INNER HARBOR 1964 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 469.TIF OUTER HARBOR 1965 2 23 24 -1 -1 -1 -1 -1 -1 -1 473.TIF 1965 3 1 24 -1 -1 -1 -1 -1 -1 -1 474.TIF 1965 3 8 24 -1 FS -1 -1 CL -1 -1 -1 -1 475.TIF INNER HARBOR 1965 3 8 -1 -1 DI -1 -1 SW -1 -1 -1 -1 475.TIF OUTER HARBOR 1965 3 15 24 -1 FS -1 -1 -1 -1 -1 -1 476.TIF INNER HARBOR 1965 3 15 -1 -1 DI -1 -1 SW -1 -1 -1 -1 476.TIF OUTER HARBOR 1965 3 22 26 -1 -1 -1 -1 -1 -1 -1 477.TIF INNER HARBOR 1965 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 477.TIF OUTER HARBOR 1965 3 29 25 -1 FS -1 -1 -1 -1 -1 -1 478.TIF INNER HARBOR 1965 3 29 -1 -1 RF -1 -1 -1 -1 -1 -1 478.TIF OUTER HARBOR 1966 3 7 15 -1 -1 -1 -1 -1 -1 -1 484.TIF 1966 3 14 16 -1 FS -1 -1 -1 -1 -1 -1 485.TIF TO 1/4Mi OUT 1966 3 21 15 -1 FS -1 -1 -1 -1 -1 -1 486.TIF 1967 3 6 21 -1 -1 -1 -1 -1 -1 -1 490.TIF 1967 3 27 25 -1 -1 -1 -1 -1 -1 -1 493.TIF 1967 4 3 25 -1 -1 -1 -1 -1 -1 -1 494.TIF 1968 3 4 24 -1 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 24 -1 -1 -1 -1 -1 -1 -1 497.TIF 1969 2 24 18 19 -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 18 -1 -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 18 -1 -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 18 -1 -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 18 -1 -1 -1 -1 -1 -1 -1 507.TIF 1970 3 3 12 -1 -1 -1 -1 -1 -1 -1 518.TIF 1970 3 10 12 -1 -1 -1 -1 -1 -1 -1 511.TIF 1970 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 516.TIF ---------------------------------------------------------------------------------------------------------- Ice thickness is in inches, -1 = no thickness reported, see report for ice conditon codes. T1 = ice thickness or part of a range if T2 is present, C1 = primary condtion of ice. T1C1 = thickness of C1 or part of range if T2C1 is presnet. C2, T1C2, T2C2, C3, T1C3, T2C3 are secondary and ternary ice conditon and condition thickness.