GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 055, Approximate Location: 46.75 N. Latitude, 92.09 W. Longitude Site Name Superior Bay on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1901 4 15 -1 -1 LF -1 -1 SW -1 -1 -1 -1 017.TIF WEST PORTION 1903 3 10 32 -1 -1 -1 -1 -1 -1 -1 025.TIF 1908 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 061.TIF WESTERN HALF OF BAY 1908 4 14 -1 -1 BK -1 -1 -1 -1 -1 -1 062.TIF 1909 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 070.TIF WEST HALF: TO INTERSTATE BRIDG 1910 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 074.TIF WESTERN PORTION 1911 3 28 -1 -1 LI -1 -1 -1 -1 -1 -1 080.TIF WESTERN HALF NEAR DULUTH 1912 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 087.TIF WEST HALF OF BAY 1914 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 102.TIF NW PORTION OF BAY 1915 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 109.TIF WESTERN END OF BAY 1916 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 118.TIF WESTERN PART OF BAY 1917 4 3 -1 -1 RT -1 -1 -1 -1 -1 -1 124.TIF WEST PORTION OF BAY 1917 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 126.TIF EXTREME WESTERN BAY 1918 4 9 -1 -1 IP -1 -1 -1 -1 -1 -1 133.TIF EASTERN BAY 1918 4 23 -1 -1 BK -1 -1 -1 -1 -1 -1 135.TIF WESTERN END OF BAY 1924 4 15 -1 -1 LI -1 -1 -1 -1 -1 -1 169.TIF WESTERN HALF OF BAY 1926 4 20 -1 -1 LI -1 -1 -1 -1 -1 -1 183.TIF WEST THIRD 1938 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 264.TIF LARGE PORTION OF BAY 1943 4 26 -1 -1 OW -1 -1 -1 -1 -1 -1 306.TIF 1958 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 422.TIF 1964 2 24 -1 -1 BK -1 -1 NI 3 4 NS -1 -1 465.TIF 1964 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 467.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.