GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 072, Approximate Location: 46.59 N. Latitude, 87.38 W. Longitude Site Name Presque Isle Harbor (SUP) on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1905 3 7 13 -1 -1 -1 -1 -1 -1 -1 039.TIF 1905 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 044.TIF 1906 3 27 4 -1 -1 -1 -1 -1 -1 -1 048.TIF 1947 3 31 -1 -1 RT -1 -1 -1 -1 -1 -1 330.TIF 1949 3 21 -1 -1 IP -1 -1 -1 -1 -1 -1 345.TIF 1950 2 16 3 -1 -1 -1 -1 -1 -1 -1 348.TIF 1950 3 6 -1 -1 DI -1 -1 -1 -1 -1 -1 350.TIF 1950 4 24 -1 -1 RT -1 -1 -1 -1 -1 -1 357.TIF 1950 5 1 -1 -1 DI -1 -1 -1 -1 -1 -1 358.TIF 1951 2 26 5 -1 -1 -1 -1 -1 -1 -1 359.TIF 1951 3 12 8 -1 -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 9 -1 -1 -1 -1 -1 -1 -1 362.TIF 1952 3 3 10 -1 -1 -1 -1 -1 -1 -1 368.TIF 1952 3 10 20 -1 -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 4 -1 CL -1 -1 -1 -1 -1 -1 370.TIF 1952 3 31 5 7 SL -1 -1 -1 -1 -1 -1 372.TIF 1961 3 13 10 -1 WI -1 -1 -1 -1 -1 -1 442.TIF 1964 3 30 -1 -1 HF -1 -1 DI -1 -1 -1 -1 470.TIF EASTWARD 1965 3 8 12 24 WI -1 -1 -1 -1 -1 -1 475.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.