GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 012, Approximate Location: 48.33 N. Latitude, 89.24 W. Longitude Site Name Fort William on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1944 4 17 -1 -1 SW -1 -1 -1 -1 -1 -1 314.TIF TO WELCOME ISLANDS 1945 4 2 -1 -1 BK -1 -1 -1 -1 -1 -1 317.TIF BAY 1945 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 317.TIF CHANNELS TO ALL DOCKS 1946 3 11 33 -1 CL -1 -1 -1 -1 -1 -1 319.TIF 2Mi OUT 1947 3 17 21 -1 SO -1 -1 -1 -1 -1 -1 328.TIF BAY 1947 3 17 26 30 -1 -1 -1 -1 -1 -1 328.TIF BEYOND BW 1947 3 24 41 -1 WI 48 -1 -1 -1 -1 -1 329.TIF 12Mi OUTSIDE BW 1948 3 1 -1 -1 IP -1 -1 -1 -1 -1 -1 334.TIF LAKE: TO G. MARAIS, MI (70% IC 1948 3 8 -1 -1 LF -1 -1 DI -1 -1 -1 -1 335.TIF TO DULUTH 1948 3 22 -1 -1 LI -1 -1 -1 -1 -1 -1 337.TIF TO DULUTH: OFFSHORE 1950 2 27 18 20 -1 -1 -1 -1 -1 -1 349.TIF 1950 3 6 18 26 -1 -1 -1 -1 -1 -1 350.TIF 1951 3 5 -1 -1 SO -1 -1 -1 -1 -1 -1 360.TIF TO ISLE ROYALE 1952 3 17 20 24 -1 -1 -1 -1 -1 -1 370.TIF TO ISLE ROYALE 1953 3 30 18 20 SO -1 -1 CL -1 -1 -1 -1 380.TIF TO WELCOME ISLANDS 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF BEYOND 7Mi OUT 1954 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 383.TIF MISSION ENTRANCE 1954 4 5 22 26 CL -1 -1 SO -1 -1 -1 -1 386.TIF TO 5Mi OUT 1954 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 387.TIF SHORE OF BAY 1956 4 2 -1 -1 SO -1 -1 -1 -1 -1 -1 404.TIF TO WELCOME ISLANDS 1958 3 24 -1 -1 SO -1 -1 -1 -1 -1 -1 420.TIF TO NIPIGON BAY 1964 3 16 18 21 SO -1 -1 -1 -1 -1 -1 468.TIF ALL RIVERS ---------------------------------------------------------------------------------------------------------- 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.