GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 302, Approximate Location: 44.09 N. Latitude, 87.65 W. Longitude Site Name Manitowoc Harbor 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 1901 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 014.TIF 1902 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 019.TIF TO WISCONSIN CENTRAL DOCKS 1903 3 3 12 -1 -1 -1 -1 -1 -1 -1 024.TIF UPPER HARBOR 1904 3 22 -1 -1 NC -1 -1 -1 -1 -1 -1 032.TIF 1904 3 29 -1 -1 DI -1 -1 -1 -1 -1 -1 033.TIF 1907 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 051.TIF LOWER HARBOR 1910 3 1 15 18 -1 -1 -1 -1 -1 -1 071.TIF UPPER HARBOR 1912 3 12 -1 -1 FD -1 -1 -1 -1 -1 -1 083.TIF 1913 3 4 -1 -1 IP -1 -1 -1 -1 -1 -1 090.TIF 1913 3 11 -1 -1 BK -1 -1 -1 -1 -1 -1 091.TIF 1914 3 3 16 -1 -1 -1 -1 -1 -1 -1 098.TIF UPPER HARBOR 1915 3 9 24 -1 -1 -1 -1 -1 -1 -1 106.TIF UPPER HARBOR 1916 3 14 8 -1 -1 -1 -1 -1 -1 -1 114.TIF UPPER HARBOR 1917 3 6 30 -1 -1 -1 -1 -1 -1 -1 120.TIF UPPER HARBOR 1917 3 13 30 -1 -1 -1 -1 -1 -1 -1 121.TIF 1943 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 299.TIF 1947 2 19 -1 -1 LI -1 -1 -1 -1 -1 -1 325.TIF 1947 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 326.TIF 1949 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 526.TIF 1950 2 27 -1 -1 HF -1 -1 -1 -1 -1 -1 349.TIF 1963 2 25 3 6 -1 -1 -1 -1 -1 -1 456.TIF 1970 3 3 4 -1 -1 -1 -1 -1 -1 -1 518.TIF (90% ICE COVER) 1970 3 10 1 -1 -1 -1 -1 -1 -1 -1 511.TIF (60% ICE COVER) 1970 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 513.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.