GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 303, Approximate Location: 44.09 N. Latitude, 87.65 W. Longitude Site Name Manitowoc on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1901 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 013.TIF LAKE 1901 3 26 -1 -1 LI -1 -1 SI -1 -1 -1 -1 014.TIF LAKE 1901 4 9 -1 -1 LF -1 -1 SI -1 -1 -1 -1 016.TIF 1904 3 8 -1 -1 DI -1 -1 -1 -1 -1 -1 030.TIF LAKE 1908 3 3 18 -1 -1 -1 -1 -1 -1 -1 057.TIF ABOVE WISCONSIN SLIP 1912 3 12 36 -1 -1 -1 -1 -1 -1 -1 083.TIF RIVER 1912 3 12 -1 -1 FD -1 -1 -1 -1 -1 -1 083.TIF LAKE 1914 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 098.TIF LAKE 1915 3 9 -1 -1 FD -1 -1 -1 -1 -1 -1 106.TIF OUTSIDE OF THE PIERS 1916 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 114.TIF LAKE 1917 3 6 -1 -1 FD -1 -1 -1 -1 -1 -1 120.TIF LAKE 1917 3 13 -1 -1 FD -1 -1 -1 -1 -1 -1 121.TIF LAKE 1917 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 122.TIF LAKE 1918 3 19 -1 -1 FD -1 -1 -1 -1 -1 -1 130.TIF LAKE 1919 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 137.TIF LAKE 1920 3 16 -1 -1 FD -1 -1 -1 -1 -1 -1 141.TIF LAKE 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF LAKE 1964 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 465.TIF 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF TO KEWAUNEE 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.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.