GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 187, Approximate Location: 44.26 N. Latitude, 83.44 W. Longitude Site Name Tawas Point Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1905 3 7 20 -1 SO -1 -1 -1 -1 -1 -1 039.TIF 1905 3 14 19 -1 SO -1 -1 -1 -1 -1 -1 040.TIF 1905 3 28 -1 -1 RT -1 -1 -1 -1 -1 -1 042.TIF 1905 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 043.TIF 1907 3 19 -1 -1 RT -1 -1 -1 -1 -1 -1 053.TIF 1907 3 26 15 25 RT -1 -1 -1 -1 -1 -1 054.TIF 1908 3 3 14 -1 -1 -1 -1 -1 -1 -1 057.TIF 1908 3 24 14 16 -1 -1 -1 -1 -1 -1 060.TIF 1908 3 31 14 16 RT -1 -1 -1 -1 -1 -1 524.TIF 1909 3 9 12 -1 -1 -1 -1 -1 -1 -1 065.TIF 1909 3 16 12 -1 -1 -1 -1 -1 -1 -1 066.TIF 1909 3 23 12 13 -1 -1 -1 -1 -1 -1 067.TIF 1909 3 30 12 -1 -1 -1 -1 -1 -1 -1 068.TIF 1911 3 7 26 -1 SO -1 -1 -1 -1 -1 -1 077.TIF 1911 3 14 26 -1 RT -1 -1 -1 -1 -1 -1 078.TIF 1911 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 081.TIF 1912 3 19 36 -1 -1 -1 -1 -1 -1 -1 084.TIF 1912 3 26 36 -1 -1 -1 -1 -1 -1 -1 085.TIF 1912 4 2 36 -1 -1 -1 -1 -1 -1 -1 086.TIF 1912 4 9 28 -1 RT -1 -1 -1 -1 -1 -1 087.TIF 1913 3 4 16 24 -1 -1 -1 -1 -1 -1 090.TIF 1913 3 18 14 -1 RT -1 -1 -1 -1 -1 -1 092.TIF 1914 3 10 18 22 -1 -1 -1 -1 -1 -1 099.TIF 1914 3 31 -1 -1 LI -1 -1 -1 -1 -1 -1 102.TIF 1915 3 9 30 -1 -1 -1 -1 -1 -1 -1 106.TIF 1915 3 23 30 -1 -1 -1 -1 -1 -1 -1 108.TIF 1915 4 6 25 -1 SO -1 -1 -1 -1 -1 -1 110.TIF 1916 3 7 14 24 -1 -1 -1 -1 -1 -1 113.TIF 1916 3 14 25 -1 -1 -1 -1 -1 -1 -1 114.TIF 1916 3 21 25 -1 -1 -1 -1 -1 -1 -1 115.TIF 1916 3 28 25 -1 -1 -1 -1 -1 -1 -1 116.TIF 1916 4 4 25 -1 RT -1 -1 -1 -1 -1 -1 117.TIF 1917 3 6 33 -1 -1 -1 -1 -1 -1 -1 120.TIF 1917 3 27 28 -1 RT -1 -1 -1 -1 -1 -1 123.TIF 1918 3 5 32 -1 -1 -1 -1 -1 -1 -1 128.TIF 1918 3 19 32 -1 -1 -1 -1 -1 -1 -1 130.TIF 1918 3 26 30 -1 RT -1 -1 -1 -1 -1 -1 131.TIF 1918 4 2 30 -1 -1 -1 -1 -1 -1 -1 132.TIF 1918 4 9 -1 -1 IP -1 -1 -1 -1 -1 -1 133.TIF 1919 3 18 -1 -1 DC -1 -1 -1 -1 -1 -1 138.TIF 1920 3 9 35 -1 -1 -1 -1 -1 -1 -1 140.TIF 1920 3 23 33 -1 RT -1 -1 -1 -1 -1 -1 142.TIF 1920 3 30 30 -1 RT -1 -1 -1 -1 -1 -1 143.TIF 1920 4 6 -1 -1 LI -1 -1 -1 -1 -1 -1 144.TIF 1920 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 145.TIF 1934 4 10 20 -1 RT -1 -1 -1 -1 -1 -1 233.TIF 1934 4 17 -1 -1 IP -1 -1 -1 -1 -1 -1 234.TIF 1935 3 19 26 -1 -1 -1 -1 -1 -1 -1 239.TIF 1935 3 26 -1 -1 IP -1 -1 -1 -1 -1 -1 240.TIF 1940 3 4 24 -1 -1 -1 -1 -1 -1 -1 277.TIF 1940 3 11 24 -1 -1 -1 -1 -1 -1 -1 278.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.