GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 075, Approximate Location: 46.58 N. Latitude, 90.87 W. Longitude Site Name Ashland Harbor on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1900 3 6 28 -1 -1 -1 -1 -1 -1 -1 004.TIF 1901 3 19 25 -1 -1 -1 -1 -1 -1 -1 013.TIF 1901 3 26 24 -1 WT -1 -1 -1 -1 -1 -1 014.TIF 1901 4 9 22 -1 SO -1 -1 WT -1 -1 -1 -1 016.TIF 1902 3 11 20 24 RT -1 -1 -1 -1 -1 -1 020.TIF 1902 3 18 18 20 RT -1 -1 -1 -1 -1 -1 021.TIF 1902 3 25 13 -1 RT -1 -1 -1 -1 -1 -1 022.TIF 1903 3 3 30 -1 SO -1 -1 -1 -1 -1 -1 024.TIF 1903 3 10 30 -1 RT -1 -1 -1 -1 -1 -1 025.TIF 1903 3 31 22 -1 -1 -1 -1 -1 -1 -1 028.TIF 1904 3 8 28 30 SO -1 -1 -1 -1 -1 -1 030.TIF 1904 3 29 28 -1 SO -1 -1 -1 -1 -1 -1 033.TIF 1904 4 12 26 -1 RT -1 -1 -1 -1 -1 -1 035.TIF 1904 4 19 26 -1 SO -1 -1 -1 -1 -1 -1 036.TIF 1904 4 26 10 -1 RT -1 -1 WT -1 -1 -1 -1 037.TIF 1905 3 7 28 -1 SO -1 -1 -1 -1 -1 -1 039.TIF 1906 3 13 20 -1 SO -1 -1 -1 -1 -1 -1 046.TIF 1906 3 20 24 -1 SO -1 -1 -1 -1 -1 -1 047.TIF 1906 3 27 26 -1 -1 -1 -1 -1 -1 -1 048.TIF 1906 4 3 24 -1 RT -1 -1 -1 -1 -1 -1 049.TIF 1907 3 5 18 20 -1 -1 -1 -1 -1 -1 051.TIF 1907 3 12 18 20 NC -1 -1 -1 -1 -1 -1 052.TIF 1907 3 19 18 20 SC -1 -1 -1 -1 -1 -1 053.TIF 1907 3 26 18 20 RT -1 -1 -1 -1 -1 -1 054.TIF 1907 4 2 18 20 RT -1 -1 -1 -1 -1 -1 055.TIF 1907 4 9 18 -1 RT -1 -1 -1 -1 -1 -1 056.TIF 1908 3 3 24 -1 SO -1 -1 -1 -1 -1 -1 057.TIF 1908 3 10 24 -1 SC 4 6 -1 -1 -1 -1 058.TIF 1908 3 17 25 -1 WT -1 -1 -1 -1 -1 -1 059.TIF 1908 3 24 26 -1 SC -1 -1 WT -1 -1 -1 -1 060.TIF 1908 4 14 12 -1 RT -1 -1 -1 -1 -1 -1 062.TIF 1909 3 2 27 -1 SO -1 -1 SC -1 -1 -1 -1 064.TIF 1909 3 9 27 -1 NC -1 -1 -1 -1 -1 -1 065.TIF 1909 3 16 27 -1 NC -1 -1 -1 -1 -1 -1 066.TIF 1909 3 23 27 -1 NC -1 -1 -1 -1 -1 -1 067.TIF 1909 4 6 24 -1 RT -1 -1 -1 -1 -1 -1 069.TIF 1909 4 13 20 -1 SC 8 10 SL -1 -1 -1 -1 070.TIF 1910 3 15 24 -1 RT -1 -1 -1 -1 -1 -1 073.TIF 1910 3 22 21 -1 -1 -1 -1 -1 -1 -1 074.TIF 1911 3 7 26 -1 -1 -1 -1 -1 -1 -1 077.TIF 1911 3 14 26 -1 RT -1 -1 -1 -1 -1 -1 078.TIF 1911 3 21 26 -1 NC -1 -1 -1 -1 -1 -1 079.TIF 1911 3 28 20 -1 WT -1 -1 RT -1 -1 -1 -1 080.TIF 1912 3 5 33 -1 -1 -1 -1 -1 -1 -1 082.TIF 1912 3 12 33 -1 -1 -1 -1 -1 -1 -1 083.TIF 1912 3 26 33 -1 NC -1 -1 -1 -1 -1 -1 085.TIF 1912 4 2 30 -1 RT -1 -1 -1 -1 -1 -1 086.TIF 1912 4 9 25 -1 RT -1 -1 -1 -1 -1 -1 087.TIF 1912 4 23 -1 -1 RT -1 -1 DC -1 -1 -1 -1 089.TIF 1913 3 4 22 -1 SC -1 -1 -1 -1 -1 -1 090.TIF 1913 3 11 22 26 -1 -1 -1 -1 -1 -1 091.TIF 1913 3 18 22 26 NC -1 -1 -1 -1 -1 -1 092.TIF 1913 3 25 22 26 SC -1 -1 -1 -1 -1 -1 093.TIF 1913 4 1 -1 -1 SO -1 -1 -1 -1 -1 -1 094.TIF 1913 4 22 -1 -1 RT -1 -1 -1 -1 -1 -1 097.TIF 1914 3 3 24 -1 -1 -1 -1 -1 -1 -1 098.TIF 1914 3 10 24 -1 -1 -1 -1 -1 -1 -1 099.TIF 1914 3 17 24 -1 WT -1 -1 -1 -1 -1 -1 100.TIF 1914 3 24 24 -1 -1 -1 -1 -1 -1 -1 101.TIF 1914 3 31 24 -1 RT -1 -1 -1 -1 -1 -1 102.TIF 1914 4 7 18 20 RT -1 -1 -1 -1 -1 -1 103.TIF 1915 3 9 27 -1 SO -1 -1 -1 -1 -1 -1 106.TIF 1915 3 16 27 -1 -1 -1 -1 -1 -1 -1 107.TIF 1915 3 30 27 -1 NC -1 -1 -1 -1 -1 -1 109.TIF 1916 3 7 16 18 -1 -1 -1 -1 -1 -1 113.TIF 1916 3 14 16 18 -1 -1 -1 -1 -1 -1 114.TIF 1916 3 21 16 18 SO -1 -1 -1 -1 -1 -1 115.TIF 1916 4 4 16 18 SL -1 -1 -1 -1 -1 -1 117.TIF 1916 4 18 -1 -1 RT -1 -1 -1 -1 -1 -1 119.TIF 1917 3 6 30 35 SO -1 -1 -1 -1 -1 -1 120.TIF 1917 3 13 30 35 SL -1 -1 -1 -1 -1 -1 121.TIF 1917 3 20 30 -1 SC 24 -1 -1 -1 -1 -1 122.TIF 1917 3 27 30 -1 WT -1 -1 SL -1 -1 -1 -1 123.TIF 1917 4 24 -1 -1 RT -1 -1 -1 -1 -1 -1 127.TIF 1917 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 127.TIF AROUND THE DOCKS 1918 3 5 34 -1 WT -1 -1 -1 -1 -1 -1 128.TIF 1918 3 19 34 36 NC -1 -1 -1 -1 -1 -1 130.TIF 1918 3 26 32 34 WT -1 -1 -1 -1 -1 -1 131.TIF 1918 4 16 -1 -1 BK -1 -1 -1 -1 -1 -1 134.TIF 1919 3 4 18 -1 -1 -1 -1 -1 -1 -1 136.TIF 1919 3 11 16 20 SC -1 -1 -1 -1 -1 -1 137.TIF 1919 3 18 16 20 SO -1 -1 -1 -1 -1 -1 138.TIF 1919 3 21 18 20 RT -1 -1 -1 -1 -1 -1 139.TIF 1920 3 9 32 -1 SC -1 -1 -1 -1 -1 -1 140.TIF 1920 3 16 32 -1 SO -1 -1 -1 -1 -1 -1 141.TIF 1920 3 30 26 -1 RT -1 -1 -1 -1 -1 -1 143.TIF 1922 3 14 -1 -1 SO -1 -1 -1 -1 -1 -1 150.TIF 1922 3 28 -1 -1 SO -1 -1 -1 -1 -1 -1 152.TIF 1933 3 7 22 -1 -1 -1 -1 -1 -1 -1 220.TIF 1934 4 24 12 -1 -1 -1 -1 -1 -1 -1 235.TIF 1935 3 5 20 -1 -1 -1 -1 -1 -1 -1 237.TIF 1935 3 26 12 20 -1 -1 -1 -1 -1 -1 240.TIF 1942 3 16 17 -1 -1 -1 -1 -1 -1 -1 293.TIF 1942 3 23 15 -1 SO -1 -1 -1 -1 -1 -1 294.TIF 1944 3 6 21 -1 -1 -1 -1 -1 -1 -1 308.TIF 1944 3 27 8 19 -1 -1 -1 -1 -1 -1 311.TIF 1944 4 3 14 -1 SC 6 -1 -1 -1 -1 -1 312.TIF 1946 3 11 27 -1 -1 -1 -1 -1 -1 -1 319.TIF 1946 3 25 22 23 RT -1 -1 SW -1 -1 -1 -1 321.TIF 1946 4 1 17 19 CL -1 -1 RT -1 -1 -1 -1 322.TIF 1947 3 3 27 30 -1 -1 -1 -1 -1 -1 326.TIF 1947 3 10 27 29 -1 -1 -1 -1 -1 -1 327.TIF 1947 3 17 27 29 -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 28 -1 -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 24 28 -1 -1 -1 -1 -1 -1 330.TIF 1948 3 1 20 -1 -1 -1 -1 -1 -1 -1 334.TIF 1948 3 15 18 20 -1 -1 -1 -1 -1 -1 336.TIF 1948 3 22 19 -1 SL -1 -1 -1 -1 -1 -1 337.TIF 1949 3 14 12 20 -1 -1 -1 -1 -1 -1 343.TIF 1949 3 21 16 18 -1 -1 -1 -1 -1 -1 345.TIF 1949 3 28 15 -1 BK -1 -1 -1 -1 -1 -1 347.TIF 1950 4 10 14 20 -1 -1 -1 -1 -1 -1 355.TIF 1950 4 24 10 13 FD -1 -1 SO -1 -1 -1 -1 357.TIF HARBOR ENTRANCE 1950 4 24 17 18 BK -1 -1 RT -1 -1 -1 -1 357.TIF (CUT) 1951 3 5 18 24 SC -1 -1 -1 -1 -1 -1 360.TIF 1951 3 19 14 20 SC 6 12 SL -1 -1 -1 -1 362.TIF 1951 3 26 14 20 NI 2 -1 SC -1 -1 -1 -1 363.TIF 1951 4 2 14 20 SC -1 -1 -1 -1 -1 -1 364.TIF 1952 3 10 18 22 -1 -1 -1 -1 -1 -1 369.TIF 1952 3 24 16 20 SL -1 -1 -1 -1 -1 -1 371.TIF 1953 2 24 15 -1 -1 -1 -1 -1 -1 -1 375.TIF 1953 3 16 15 -1 -1 -1 -1 -1 -1 -1 378.TIF 1953 3 23 13 14 SW -1 -1 -1 -1 -1 -1 379.TIF 1954 3 1 7 9 CL -1 -1 SC 6 -1 -1 -1 381.TIF 1954 3 22 15 18 -1 -1 -1 -1 -1 -1 384.TIF 1954 3 29 14 15 -1 -1 -1 -1 -1 -1 385.TIF AND CHANNEL 1954 4 5 14 15 -1 -1 -1 -1 -1 -1 386.TIF 1954 4 12 20 24 BK -1 -1 RT -1 -1 -1 -1 387.TIF (CUT) 1955 2 28 20 24 CL -1 -1 SC 6 -1 -1 -1 389.TIF 1955 3 7 20 22 -1 -1 -1 -1 -1 -1 391.TIF 1955 3 7 29 -1 -1 -1 -1 -1 -1 -1 391.TIF NEAR BW 1955 3 14 20 22 SO -1 -1 -1 -1 -1 -1 393.TIF 1955 3 28 18 20 SO -1 -1 -1 -1 -1 -1 395.TIF 1956 2 27 28 -1 SO -1 -1 -1 -1 -1 -1 397.TIF 1956 3 5 28 -1 -1 -1 -1 -1 -1 -1 399.TIF 1956 3 12 28 -1 -1 -1 -1 -1 -1 -1 401.TIF 1956 3 19 27 -1 CL -1 -1 SC -1 -1 -1 -1 402.TIF 1956 3 26 27 -1 CL -1 -1 SC -1 -1 -1 -1 403.TIF 1956 4 2 26 -1 CL -1 -1 SC -1 -1 -1 -1 404.TIF 1956 4 9 26 -1 SL 3 4 -1 -1 -1 -1 405.TIF 1956 4 16 26 -1 SL 4 5 -1 -1 -1 -1 406.TIF 1957 2 25 25 -1 SO -1 -1 -1 -1 -1 -1 407.TIF 1957 3 4 25 -1 SO -1 -1 -1 -1 -1 -1 409.TIF 1957 3 11 25 -1 WT -1 -1 -1 -1 -1 -1 411.TIF IN SLIPS 1957 3 25 25 -1 SO -1 -1 SL -1 -1 -1 -1 413.TIF 1957 4 1 25 -1 SL -1 -1 -1 -1 -1 -1 414.TIF 1958 3 10 19 21 SC -1 -1 -1 -1 -1 -1 418.TIF 1958 3 17 19 21 SO -1 -1 CL -1 -1 -1 -1 419.TIF 1958 3 24 19 21 SO -1 -1 -1 -1 -1 -1 420.TIF 1958 4 7 18 -1 RT -1 -1 -1 -1 -1 -1 422.TIF DOCKS 1959 3 2 36 -1 SO -1 -1 CL -1 -1 -1 -1 424.TIF 1959 3 9 36 -1 -1 -1 -1 -1 -1 -1 425.TIF 1959 3 16 36 -1 RT -1 -1 -1 -1 -1 -1 426.TIF 1959 3 23 34 36 RT -1 -1 -1 -1 -1 -1 427.TIF 1959 3 30 34 36 WT -1 -1 -1 -1 -1 -1 429.TIF 1959 4 6 34 -1 SL -1 -1 -1 -1 -1 -1 430.TIF 1959 4 13 32 -1 SL -1 -1 -1 -1 -1 -1 431.TIF 1959 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 431.TIF AROUND SLIPS & DOCKS 1960 2 19 20 -1 -1 -1 -1 -1 -1 -1 523.TIF 1960 2 29 22 -1 -1 -1 -1 -1 -1 -1 522.TIF 1960 3 7 24 -1 -1 -1 -1 -1 -1 -1 434.TIF 1960 3 14 24 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 24 -1 -1 -1 -1 -1 -1 -1 436.TIF 1960 3 28 24 -1 RT -1 -1 -1 -1 -1 -1 437.TIF 1960 4 4 22 -1 WT -1 -1 -1 -1 -1 -1 438.TIF 1960 4 11 22 -1 SW -1 -1 -1 -1 -1 -1 439.TIF 1961 2 27 29 -1 SO -1 -1 -1 -1 -1 -1 440.TIF 1961 3 6 29 -1 SO -1 -1 SL 2 -1 -1 -1 441.TIF 1961 3 13 29 -1 -1 -1 -1 -1 -1 -1 442.TIF 1961 3 20 29 -1 RT -1 -1 -1 -1 -1 -1 443.TIF 1961 3 27 28 -1 WT -1 -1 -1 -1 -1 -1 444.TIF 1961 4 3 28 -1 RT -1 -1 -1 -1 -1 -1 445.TIF 1961 4 10 28 -1 SW -1 -1 -1 -1 -1 -1 446.TIF 1962 3 5 24 26 -1 -1 -1 -1 -1 -1 448.TIF 1962 3 12 24 26 SO -1 -1 -1 -1 -1 -1 449.TIF 1962 3 19 24 26 -1 -1 -1 -1 -1 -1 450.TIF 1962 3 26 22 24 -1 -1 -1 -1 -1 -1 451.TIF 1962 4 2 22 24 RT -1 -1 -1 -1 -1 -1 452.TIF 1962 4 9 24 -1 RT -1 -1 -1 -1 -1 -1 453.TIF 1962 4 16 22 24 RT -1 -1 -1 -1 -1 -1 454.TIF 1963 3 4 33 -1 SO -1 -1 -1 -1 -1 -1 457.TIF 1963 3 11 33 -1 -1 -1 -1 -1 -1 -1 458.TIF 1963 3 18 33 -1 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 33 -1 -1 -1 -1 -1 -1 -1 460.TIF 1963 4 1 33 -1 RT -1 -1 -1 -1 -1 -1 461.TIF 1963 4 8 31 -1 RT -1 -1 -1 -1 -1 -1 462.TIF 1963 4 15 30 -1 -1 -1 -1 -1 -1 -1 463.TIF 1963 4 15 -1 -1 RT -1 -1 SW -1 -1 -1 -1 463.TIF IN SLIPS 1964 2 24 23 -1 SO -1 -1 CL -1 -1 -1 -1 465.TIF 1964 3 2 23 -1 SC -1 -1 -1 -1 -1 -1 466.TIF 1964 3 9 23 -1 SO -1 -1 -1 -1 -1 -1 467.TIF 1964 3 16 23 -1 -1 -1 -1 -1 -1 -1 468.TIF 1964 3 23 23 -1 -1 -1 -1 -1 -1 -1 469.TIF 1964 4 6 19 21 RT -1 -1 -1 -1 -1 -1 471.TIF 1965 2 23 37 -1 IN -1 -1 -1 -1 -1 -1 473.TIF 1965 3 1 37 -1 -1 -1 -1 -1 -1 -1 474.TIF 1965 3 8 37 -1 -1 -1 -1 -1 -1 -1 475.TIF 1965 3 15 36 -1 SL 6 -1 -1 -1 -1 -1 476.TIF AROUND DOCKS 1965 3 22 36 -1 -1 -1 -1 -1 -1 -1 477.TIF 1965 3 29 36 -1 -1 -1 -1 -1 -1 -1 478.TIF 1965 4 5 33 -1 SC -1 -1 -1 -1 -1 -1 479.TIF 1965 4 12 33 -1 WT -1 -1 -1 -1 -1 -1 480.TIF 1965 4 19 33 -1 -1 -1 -1 -1 -1 -1 481.TIF 1966 2 28 16 19 -1 -1 -1 -1 -1 -1 483.TIF 1966 3 7 16 19 -1 -1 -1 -1 -1 -1 484.TIF 1966 3 14 16 19 BK -1 -1 -1 -1 -1 -1 485.TIF 1966 3 21 16 -1 -1 -1 -1 -1 -1 -1 486.TIF 1966 3 28 15 17 RT -1 -1 -1 -1 -1 -1 487.TIF 1966 4 4 15 17 RT -1 -1 -1 -1 -1 -1 488.TIF 1967 3 6 23 26 SO -1 -1 -1 -1 -1 -1 490.TIF 1967 3 13 23 26 SO -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 25 -1 -1 -1 -1 -1 -1 -1 492.TIF 1967 3 27 25 -1 -1 -1 -1 -1 -1 -1 493.TIF 1967 4 3 23 -1 -1 -1 -1 -1 -1 -1 494.TIF 1967 4 10 19 -1 -1 -1 -1 -1 -1 -1 495.TIF 1967 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 496.TIF 1968 3 4 34 -1 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 30 -1 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 27 -1 -1 -1 -1 -1 -1 -1 498.TIF 1968 3 25 29 -1 SI -1 -1 -1 -1 -1 -1 499.TIF 1968 4 1 14 -1 -1 -1 -1 -1 -1 -1 500.TIF (60% ICE COVER) 1968 4 8 8 -1 -1 -1 -1 -1 -1 -1 501.TIF (80% ICE COVER) 1969 2 24 23 -1 -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 18 -1 -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 17 -1 -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 16 -1 -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 17 -1 -1 -1 -1 -1 -1 -1 507.TIF 1969 3 31 13 -1 -1 -1 -1 -1 -1 -1 508.TIF 1969 4 7 11 -1 -1 -1 -1 -1 -1 -1 509.TIF 1969 4 14 10 -1 -1 -1 -1 -1 -1 -1 510.TIF (80% ICE COVER) 1970 3 3 18 -1 -1 -1 -1 -1 -1 -1 518.TIF 1970 3 10 18 -1 -1 -1 -1 -1 -1 -1 511.TIF 1970 3 17 18 -1 -1 -1 -1 -1 -1 -1 512.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.