GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 073, Approximate Location: 46.59 N. Latitude, 87.38 W. Longitude Site Name Presque Isle (SUP) on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1905 3 7 -1 -1 LI -1 -1 BK -1 -1 -1 -1 039.TIF LAKE 1905 4 4 -1 -1 IP -1 -1 -1 -1 -1 -1 043.TIF BAY 1905 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 043.TIF NORTH AND EAST 1906 3 20 6 -1 -1 -1 -1 -1 -1 -1 047.TIF 1912 4 23 -1 -1 OW -1 -1 -1 -1 -1 -1 089.TIF NORTH AND NORTHWEST 1947 4 7 -1 -1 OW -1 -1 BV -1 -1 -1 -1 331.TIF N & E 1950 2 16 -1 -1 FD -1 -1 -1 -1 -1 -1 348.TIF TO 1/2Mi OUT 1950 3 6 -1 -1 FD -1 -1 DI -1 -1 BV -1 -1 350.TIF 1950 4 24 -1 -1 FD -1 -1 WI -1 -1 -1 -1 357.TIF GRANITE ISLAND 1952 3 10 10 14 -1 -1 -1 -1 -1 -1 369.TIF LAKE 1952 3 31 -1 -1 DI -1 -1 -1 -1 -1 -1 372.TIF NORTHWARD 1961 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 446.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.