GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 047, Approximate Location: 46.78 N. Latitude, 88.47 W. Longitude Site Name Sand Point Light Harbor on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1914 4 14 17 -1 SO -1 -1 RT -1 -1 -1 -1 104.TIF 1915 3 16 18 -1 SO -1 -1 -1 -1 -1 -1 107.TIF 1915 3 23 18 -1 NC -1 -1 -1 -1 -1 -1 108.TIF 1915 3 30 16 18 SO -1 -1 -1 -1 -1 -1 109.TIF 1915 4 13 12 -1 RT -1 -1 -1 -1 -1 -1 111.TIF 1916 3 7 18 22 -1 -1 -1 -1 -1 -1 113.TIF 1916 3 14 24 -1 -1 -1 -1 -1 -1 -1 114.TIF 1916 3 28 20 -1 SC -1 -1 -1 -1 -1 -1 116.TIF 1916 4 4 16 -1 RT -1 -1 -1 -1 -1 -1 117.TIF 1918 3 12 24 28 -1 -1 -1 -1 -1 -1 129.TIF 1919 3 4 4 -1 -1 -1 -1 -1 -1 -1 136.TIF 1919 3 11 6 -1 IN -1 -1 -1 -1 -1 -1 137.TIF 1919 3 18 6 -1 BK -1 -1 -1 -1 -1 -1 138.TIF 1919 3 25 -1 -1 BK -1 -1 DC -1 -1 -1 -1 139.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.