GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 492, Approximate Location: 45.22 N. Latitude, 73.86 W. Longitude Site Name Cornwall Canal on St. Lawrence River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1962 3 12 -1 -1 CL -1 -1 FS -1 -1 SW -1 -1 449.TIF INTO LAKE ST. FRANCIS 1962 3 19 -1 -1 CL -1 -1 SC -1 -1 SW -1 -1 450.TIF BELOW DOCK #15 1962 3 26 -1 -1 OW -1 -1 BV -1 -1 -1 -1 451.TIF N HALF 1962 3 26 15 -1 FS -1 -1 SL -1 -1 -1 -1 451.TIF S SHORE: BELOW LOCK 1962 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 453.TIF 1963 3 25 -1 -1 FS -1 -1 CL -1 -1 SW -1 -1 460.TIF 1963 4 1 -1 -1 FS -1 -1 CL -1 -1 -1 -1 461.TIF TO S SIDE SHORE 1963 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 461.TIF N SIDE SHORE 1964 3 2 -1 -1 CL -1 -1 FS -1 -1 -1 -1 466.TIF TO THE EAST: TO S SIDE SHORE 1964 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 466.TIF N SIDE 1964 3 2 -1 -1 OW -1 -1 BV -1 -1 -1 -1 466.TIF TO THE WEST 1965 2 23 -1 -1 FS -1 -1 CL -1 -1 -1 -1 473.TIF N & S SIDES 1965 3 1 -1 -1 FS -1 -1 CL -1 -1 -1 -1 474.TIF N & S SIDES 1965 3 15 -1 -1 OW -1 -1 BV -1 -1 -1 -1 476.TIF 1965 3 22 -1 -1 OW -1 -1 BV -1 -1 -1 -1 477.TIF 1965 3 29 -1 -1 OW -1 -1 BV -1 -1 -1 -1 478.TIF 1965 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 479.TIF FULL WIDTH OF RIVER 1965 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 480.TIF FULL WIDTH OF RIVER 1966 2 28 -1 -1 SO -1 -1 -1 -1 -1 -1 483.TIF ALONG SHORE 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF CHANNEL 1966 3 7 -1 -1 IP -1 -1 -1 -1 -1 -1 484.TIF ALONG SHORE 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF CHANNEL 1966 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 485.TIF CHANNEL 1966 3 14 -1 -1 FS -1 -1 -1 -1 -1 -1 485.TIF ALONG SHORE 1966 3 21 -1 -1 FS -1 -1 -1 -1 -1 -1 486.TIF ALONG SHORE 1966 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 486.TIF CHANNEL ---------------------------------------------------------------------------------------------------------- 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.