GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 348, Approximate Location: 41.71 N. Latitude, 86.89 W. Longitude Site Name Michigan City Harbor on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1899 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 529.TIF 1900 2 27 -1 -1 LF -1 -1 DI -1 -1 -1 -1 003.TIF MOUTH OF HARBOR 1900 3 13 8 -1 -1 -1 -1 -1 -1 -1 005.TIF 1900 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 009.TIF 1901 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 012.TIF 1901 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 014.TIF 1902 3 4 -1 -1 LI -1 -1 -1 -1 -1 -1 019.TIF 1902 3 4 -1 -1 HF -1 -1 SO -1 -1 -1 -1 019.TIF HARBOR MOUTH 1904 3 1 24 30 -1 -1 -1 -1 -1 -1 029.TIF 1904 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 031.TIF 1905 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 039.TIF 1905 3 7 -1 -1 HF -1 -1 PI -1 -1 -1 -1 039.TIF HARBOR ENTRANCE & ALONG SHORE 1905 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 040.TIF 1905 3 21 -1 -1 FD -1 -1 RT -1 -1 -1 -1 041.TIF HARBOR ENTRANCE 1907 3 5 -1 -1 BK -1 -1 -1 -1 -1 -1 051.TIF 1908 3 3 8 10 RT -1 -1 BK -1 -1 -1 -1 057.TIF 1909 3 2 5 -1 -1 -1 -1 -1 -1 -1 064.TIF 1909 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 065.TIF 1909 3 9 -1 -1 HF -1 -1 -1 -1 -1 -1 065.TIF HARBOR SHORE 1910 3 1 25 -1 -1 -1 -1 -1 -1 -1 071.TIF 1910 3 8 25 -1 -1 -1 -1 -1 -1 -1 072.TIF 1910 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 073.TIF 1912 3 5 28 -1 -1 -1 -1 -1 -1 -1 082.TIF 1913 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 090.TIF INNER HARBOR 1913 3 4 -1 -1 PI -1 -1 -1 -1 -1 -1 090.TIF OUTER HARBOR 1914 3 10 -1 -1 HF -1 -1 -1 -1 -1 -1 099.TIF 1917 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 122.TIF 1918 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 128.TIF 1933 3 14 -1 -1 PI -1 -1 -1 -1 -1 -1 221.TIF 1936 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 244.TIF 1939 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 270.TIF 1940 3 11 -1 -1 SI -1 -1 -1 -1 -1 -1 278.TIF 1940 3 24 -1 -1 SI -1 -1 DI -1 -1 -1 -1 280.TIF 1941 3 3 -1 -1 HF -1 -1 SO -1 -1 -1 -1 285.TIF 1941 3 10 -1 -1 HF -1 -1 IJ -1 -1 WI -1 -1 286.TIF MOUTH OF HARBOR 1941 3 17 -1 -1 SI -1 -1 -1 -1 -1 -1 287.TIF 1941 3 24 -1 -1 SI -1 -1 -1 -1 -1 -1 288.TIF 1942 3 16 -1 -1 IP -1 -1 -1 -1 -1 -1 293.TIF HARBOR ENTRANCE 1943 3 8 12 -1 -1 -1 -1 -1 -1 -1 299.TIF 1943 3 15 8 -1 -1 -1 -1 -1 -1 -1 300.TIF 1943 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 301.TIF 1944 3 13 36 -1 -1 -1 -1 -1 -1 -1 309.TIF 1947 3 24 10 -1 RT -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 -1 -1 WI 24 -1 -1 -1 -1 -1 330.TIF 1948 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 335.TIF 1948 3 15 2 -1 -1 -1 -1 -1 -1 -1 336.TIF 1950 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 353.TIF 1952 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 368.TIF 1957 2 25 -1 -1 LF -1 -1 DI -1 -1 PN -1 -1 407.TIF 1958 2 24 -1 -1 WI -1 -1 BV -1 -1 -1 -1 416.TIF 1959 3 2 6 8 RT -1 -1 -1 -1 -1 -1 424.TIF (60% ICE COVER) 1960 2 19 4 6 -1 -1 -1 -1 -1 -1 523.TIF 1960 3 14 6 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 6 -1 DI -1 -1 RT -1 -1 -1 -1 436.TIF 1960 3 28 6 -1 DI -1 -1 PN -1 -1 -1 -1 437.TIF 1961 2 27 6 -1 FS -1 -1 PN -1 -1 -1 -1 440.TIF 1962 3 19 -1 -1 FS -1 -1 WI -1 -1 IJ -1 -1 450.TIF 1963 2 25 10 -1 -1 -1 -1 -1 -1 -1 456.TIF 1963 3 11 7 -1 -1 -1 -1 -1 -1 -1 458.TIF 1963 3 18 9 -1 RT -1 -1 -1 -1 -1 -1 459.TIF 1964 2 24 10 -1 -1 -1 -1 -1 -1 -1 465.TIF 1964 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 465.TIF OUTER HARBOR 1964 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 467.TIF 1965 3 29 -1 -1 FS -1 -1 BV -1 -1 -1 -1 478.TIF 1967 3 6 -1 -1 DI -1 -1 PN -1 -1 -1 -1 490.TIF 1967 3 13 6 -1 -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 10 -1 DI -1 -1 -1 -1 -1 -1 492.TIF 1967 3 27 4 -1 -1 -1 -1 -1 -1 -1 493.TIF 1968 3 4 8 -1 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 5 -1 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 3 -1 -1 -1 -1 -1 -1 -1 498.TIF 1969 2 24 2 -1 -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 1 -1 -1 -1 -1 -1 -1 -1 504.TIF (60% ICE COVER) 1969 3 10 2 -1 -1 -1 -1 -1 -1 -1 505.TIF (60% ICE COVER) 1969 3 17 2 -1 -1 -1 -1 -1 -1 -1 506.TIF (60% ICE COVER) 1969 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 507.TIF 1970 3 3 6 -1 -1 -1 -1 -1 -1 -1 518.TIF 1970 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 511.TIF 1970 3 17 24 -1 -1 -1 -1 -1 -1 -1 512.TIF 1970 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 513.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.