GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 021, Approximate Location: 47.95 N. Latitude, 84.88 W. Longitude Site Name Michipicoten on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1935 4 2 -1 -1 FD -1 -1 BV -1 -1 -1 -1 241.TIF 1936 4 13 -1 -1 FD -1 -1 -1 -1 -1 -1 249.TIF LAKE 1936 4 20 -1 -1 IP -1 -1 -1 -1 -1 -1 250.TIF TO 6Mi OUT 1937 3 15 -1 -1 IP -1 -1 -1 -1 -1 -1 255.TIF TO 2Mi OUT 1937 3 29 -1 -1 OW -1 -1 BV -1 -1 -1 -1 257.TIF LAKE 1937 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 259.TIF 1938 3 28 -1 -1 DI -1 -1 BV -1 -1 -1 -1 264.TIF 1939 4 17 -1 -1 IP -1 -1 -1 -1 -1 -1 274.TIF TO 10Mi OUT 1943 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 305.TIF W & NW TO BEYOND KEWEENAW PT. 1943 4 19 -1 -1 SO -1 -1 BK -1 -1 -1 -1 305.TIF S & SW TO BEYOND KEWEENAW PT. 1959 3 9 -1 -1 PN -1 -1 -1 -1 -1 -1 425.TIF 15Mi NW OF ISLAND 1966 3 28 -1 -1 SO -1 -1 -1 -1 -1 -1 487.TIF BAY ---------------------------------------------------------------------------------------------------------- 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.