GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 112, Approximate Location: 46.02 N. Latitude, 83.90 W. Longitude Site Name Pipe Island on St. Marys River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1902 3 20 1 -1 -1 -1 -1 -1 -1 -1 022.TIF TO FRYING PAN ISLAND 1903 3 17 -1 -1 RT -1 -1 -1 -1 -1 -1 026.TIF ABOVE ISLAND 1912 4 16 -1 -1 RT -1 -1 -1 -1 -1 -1 088.TIF 1913 3 25 29 -1 -1 -1 -1 -1 -1 -1 093.TIF 1917 3 31 24 -1 -1 -1 -1 -1 -1 -1 124.TIF CHANNEL 1923 3 27 22 -1 -1 -1 -1 -1 -1 -1 158.TIF 1930 3 25 17 -1 -1 -1 -1 -1 -1 -1 205.TIF 1938 3 28 18 24 -1 -1 -1 -1 -1 -1 264.TIF ISLAND AND ABOVE 1940 4 8 -1 -1 HF -1 -1 -1 -1 -1 -1 282.TIF 1941 3 10 16 -1 -1 -1 -1 -1 -1 -1 286.TIF 1941 3 24 17 -1 -1 -1 -1 -1 -1 -1 288.TIF 1945 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 315.TIF TO DETOUR REEF 1947 3 24 25 -1 -1 -1 -1 -1 -1 -1 329.TIF 1948 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 339.TIF TO DETOUR REEF 1953 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 378.TIF TO LAKE HURON 1953 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 379.TIF TO LAKE HURON 1954 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 382.TIF TO LAKE HURON 1954 3 29 -1 -1 OW -1 -1 -1 -1 -1 -1 385.TIF TO LAKE HURON 1956 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 401.TIF TO LAKE HURON 1956 3 19 -1 -1 NI -1 -1 BK -1 -1 -1 -1 402.TIF EAST SIDE OF ISLAND (CUT) 1958 2 24 18 24 -1 -1 -1 -1 -1 -1 416.TIF TO LIME ISLAND 1958 3 3 18 24 -1 -1 -1 -1 -1 -1 417.TIF TO LIME ISLAND 1958 3 10 -1 -1 LI -1 -1 -1 -1 -1 -1 418.TIF TO LAKE HURON 1958 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 419.TIF TO LAKE HURON 1958 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 421.TIF 1/2Mi BELOW ISLAND TO LAKE 1959 4 6 -1 -1 RT -1 -1 BK -1 -1 -1 -1 430.TIF TO DETOUR 1960 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 435.TIF TO LAKE HURON 1960 3 28 22 -1 FD -1 -1 FS -1 -1 -1 -1 437.TIF 1961 3 27 24 -1 CL -1 -1 -1 -1 -1 -1 444.TIF TO JOHNSON POINT 1962 4 9 14 -1 -1 -1 -1 -1 -1 -1 453.TIF TO WINTER POINT 1963 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 463.TIF TO LAKE HURON ---------------------------------------------------------------------------------------------------------- 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.