GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 491, Approximate Location: 45.22 N. Latitude, 73.85 W. Longitude Site Name Beauharnois on St. Lawrence River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1962 2 26 27 -1 FS -1 -1 SC -1 -1 BV -1 -1 447.TIF BELOW LOWER LOCK 1962 3 5 28 -1 -1 -1 -1 -1 -1 -1 448.TIF BELOW LOWER LOCK 1962 4 2 -1 -1 FS -1 -1 CL 20 -1 RT -1 -1 452.TIF LOWER LOCK 1964 3 2 26 -1 -1 -1 -1 -1 -1 -1 466.TIF LOWER LOCK (100% ICE COVER) 1964 3 23 23 -1 PR -1 -1 -1 -1 -1 -1 469.TIF LOWER END OF CANAL ---------------------------------------------------------------------------------------------------------- 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.