GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 314, Approximate Location: 43.41 N. Latitude, 86.35 W. Longitude Site Name Whitehall Harbor on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1947 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 329.TIF 1950 3 20 13 -1 -1 -1 -1 -1 -1 -1 352.TIF 1950 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 353.TIF 1951 3 5 10 12 -1 -1 -1 -1 -1 -1 360.TIF 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF ENTRANCE ---------------------------------------------------------------------------------------------------------- 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.