GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 428, Approximate Location: 44.19 N. Latitude, 76.78 W. Longitude Site Name North Channel on Lake Ontario ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1950 3 6 -1 -1 SO -1 -1 -1 -1 -1 -1 350.TIF 1950 4 17 -1 -1 SO -1 -1 -1 -1 -1 -1 356.TIF 1954 3 29 -1 -1 SW -1 -1 -1 -1 -1 -1 385.TIF 1955 3 21 -1 -1 SO -1 -1 -1 -1 -1 -1 394.TIF 1957 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 410.TIF 1961 2 27 -1 -1 FS -1 -1 CL -1 -1 WT -1 -1 440.TIF 1961 4 3 -1 -1 FS -1 -1 RT -1 -1 -1 -1 445.TIF 1962 4 9 -1 -1 SO -1 -1 RT -1 -1 SW -1 -1 453.TIF 1963 3 25 -1 -1 FS -1 -1 SW -1 -1 -1 -1 460.TIF TO ST. LAWRENCE 1963 4 1 -1 -1 FS -1 -1 RT -1 -1 -1 -1 461.TIF 1965 3 29 -1 -1 FS -1 -1 RT -1 -1 -1 -1 478.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.