GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 137, Approximate Location: 45.66 N. Latitude, 84.43 W. Longitude Site Name Cheboygan Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1900 2 27 4 -1 -1 -1 -1 -1 -1 -1 003.TIF 1903 3 3 9 -1 -1 -1 -1 -1 -1 -1 024.TIF STRAITS 1903 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 026.TIF 1903 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 027.TIF 1903 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 028.TIF 1904 3 8 -1 -1 NC -1 -1 -1 -1 -1 -1 030.TIF 1904 3 29 -1 -1 NC -1 -1 -1 -1 -1 -1 033.TIF 1904 4 5 -1 -1 NC -1 -1 -1 -1 -1 -1 034.TIF 1904 4 12 -1 -1 RT -1 -1 -1 -1 -1 -1 035.TIF 1904 4 19 -1 -1 NC -1 -1 -1 -1 -1 -1 036.TIF 1904 4 26 -1 -1 IP -1 -1 -1 -1 -1 -1 037.TIF 1905 3 14 -1 -1 IP -1 -1 -1 -1 -1 -1 040.TIF 1905 4 4 -1 -1 RT -1 -1 -1 -1 -1 -1 043.TIF 1906 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 046.TIF 1906 4 3 -1 -1 NC -1 -1 -1 -1 -1 -1 049.TIF 1908 3 3 6 -1 -1 -1 -1 -1 -1 -1 057.TIF 1908 3 10 4 -1 -1 -1 -1 -1 -1 -1 058.TIF 1908 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 059.TIF 1908 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 060.TIF 1908 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 524.TIF 1909 3 2 7 -1 -1 -1 -1 -1 -1 -1 064.TIF 1909 3 9 7 -1 NC -1 -1 -1 -1 -1 -1 065.TIF 1909 3 16 7 -1 -1 -1 -1 -1 -1 -1 066.TIF 1909 3 23 7 -1 -1 -1 -1 -1 -1 -1 067.TIF 1909 3 30 6 8 -1 -1 -1 -1 -1 -1 068.TIF 1909 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 069.TIF 1911 3 7 2 -1 -1 -1 -1 -1 -1 -1 077.TIF 1911 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 078.TIF 1912 3 5 16 -1 -1 -1 -1 -1 -1 -1 082.TIF 1912 3 12 16 -1 -1 -1 -1 -1 -1 -1 083.TIF 1912 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 088.TIF 1914 3 3 8 -1 -1 -1 -1 -1 -1 -1 098.TIF 1914 3 10 8 -1 NC -1 -1 -1 -1 -1 -1 099.TIF 1914 3 17 -1 -1 RT -1 -1 -1 -1 -1 -1 100.TIF 1914 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 101.TIF 1914 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 102.TIF 1915 3 9 5 -1 -1 -1 -1 -1 -1 -1 106.TIF 1915 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 107.TIF 1915 3 23 -1 -1 OW -1 -1 NC -1 -1 -1 -1 108.TIF 1916 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 113.TIF 1917 3 6 16 -1 -1 -1 -1 -1 -1 -1 120.TIF 1917 4 17 -1 -1 IP -1 -1 -1 -1 -1 -1 126.TIF 1918 3 5 2 6 -1 -1 -1 -1 -1 -1 128.TIF 1918 3 12 2 6 -1 -1 -1 -1 -1 -1 129.TIF 1918 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 131.TIF 1920 3 23 15 26 -1 -1 -1 -1 -1 -1 142.TIF 1924 4 15 -1 -1 LI -1 -1 -1 -1 -1 -1 169.TIF 1925 3 24 18 -1 -1 -1 -1 -1 -1 -1 172.TIF 1930 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 206.TIF 1930 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 207.TIF 1931 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 210.TIF 1931 3 17 -1 -1 IP -1 -1 NS -1 -1 -1 -1 211.TIF 1932 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 218.TIF 1964 3 23 -1 -1 DI -1 -1 WI -1 -1 -1 -1 469.TIF 1968 3 4 0 18 -1 -1 -1 -1 -1 -1 520.TIF (90% ICE COVER) 1968 3 11 9 -1 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 0 2 -1 -1 -1 -1 -1 -1 498.TIF (80% ICE COVER) 1968 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 499.TIF 1968 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 500.TIF 1969 2 24 7 -1 -1 -1 -1 -1 -1 -1 503.TIF (60% ICE COVER) 1969 3 3 5 -1 -1 -1 -1 -1 -1 -1 504.TIF (60% ICE COVER) 1969 3 10 4 -1 -1 -1 -1 -1 -1 -1 505.TIF (80% ICE COVER) 1969 3 17 3 -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 10 12 -1 -1 -1 -1 -1 -1 -1 511.TIF (50% ICE COVER) 1970 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 513.TIF 1970 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 514.TIF 1970 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 515.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.