GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 078, Approximate Location: 46.52 N. Latitude, 86.67 W. Longitude Site Name Grand Island on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1907 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 055.TIF EAST SIDE OF ISLAND 1914 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 099.TIF 1914 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 103.TIF TO WOOD ISLAND 1931 3 10 -1 -1 FD -1 -1 -1 -1 -1 -1 210.TIF 1931 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 211.TIF BEHIND ISLAND 1931 3 24 -1 -1 SO -1 -1 -1 -1 -1 -1 212.TIF BEHIND ISLAND 1931 4 7 -1 -1 IP -1 -1 -1 -1 -1 -1 214.TIF BEHIND ISLAND 1932 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 216.TIF 1951 3 19 -1 -1 FD -1 -1 WI -1 -1 BV -1 -1 362.TIF NORTHWARD 1953 3 9 -1 -1 IP -1 -1 BV -1 -1 -1 -1 376.TIF WESTWARD 1954 3 22 -1 -1 DI -1 -1 BV -1 -1 -1 -1 384.TIF EITHER SIDE OF ISLAND 1954 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 388.TIF 1956 3 26 -1 -1 FD -1 -1 DI -1 -1 -1 -1 403.TIF WEST CHANNEL 1956 4 9 -1 -1 FD -1 -1 DI -1 -1 -1 -1 405.TIF LAKE: NORTHWARD 1963 2 25 18 20 -1 -1 -1 -1 -1 -1 456.TIF GRAND ISLAND HARBOR 1966 3 14 -1 -1 WI -1 -1 -1 -1 -1 -1 485.TIF N END 1966 4 4 -1 -1 FD -1 -1 FS -1 -1 RT -1 -1 488.TIF SAND POINT TO FIVE MILE POINT 1966 4 4 -1 -1 FD -1 -1 FS -1 -1 RT -1 -1 488.TIF GRAND ISLAND HARBOR 1968 4 15 -1 -1 WI -1 -1 -1 -1 -1 -1 502.TIF S SHORE: E OF ISLAND 1970 3 17 7 -1 -1 -1 -1 -1 -1 -1 512.TIF GRAND ISLAND HARBOR ---------------------------------------------------------------------------------------------------------- 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.