GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 488, Approximate Location: 45.40 N. Latitude, 73.70 W. Longitude Site Name Lake St. Louis on St. Lawrence River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1962 3 12 30 -1 FS -1 -1 BV -1 -1 -1 -1 449.TIF UPPER END 1962 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 449.TIF TO SEAWAY DIKE 1962 3 19 -1 -1 OW -1 -1 -1 -1 -1 -1 450.TIF TO SEAWAY DIKE 1962 3 26 24 -1 CL -1 -1 RT 7 -1 FS -1 -1 451.TIF UPPER END 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF TO SEAWAY DIKE 1962 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 452.TIF TO SEAWAY DIKE 1963 2 25 24 25 SO -1 -1 -1 -1 -1 -1 456.TIF UPPER LAKE 1963 3 4 25 -1 SO -1 -1 -1 -1 -1 -1 457.TIF UPPER LAKE 1963 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 457.TIF TO SEAWAY DIKE 1963 3 11 29 -1 SO -1 -1 -1 -1 -1 -1 458.TIF UPPER LAKE 1963 3 18 29 -1 SO -1 -1 -1 -1 -1 -1 459.TIF 1963 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 459.TIF TO SEAWAY DIKE 1963 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 460.TIF TO SEAWAY DIKE 1963 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 461.TIF LACHINE WHARF TO SEAWAY DIKE 1964 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 467.TIF TO SEAWAY DIKE 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF LOWER END: TO SEAWAY DIKE 1964 3 23 -1 -1 IP -1 -1 -1 -1 -1 -1 469.TIF UPPER END 1965 2 23 -1 -1 CL -1 -1 -1 -1 -1 -1 473.TIF MOST OF LAKE 1965 3 1 17 24 CL -1 -1 -1 -1 -1 -1 474.TIF 1965 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 475.TIF AT LACHINE CANAL 1965 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 476.TIF AT LACHINE CANAL 1965 3 22 -1 -1 OW -1 -1 BV -1 -1 -1 -1 477.TIF 1965 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 477.TIF LACHINE CANAL ENTRANCE 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF LAKE 1966 2 28 23 -1 -1 -1 -1 -1 -1 -1 483.TIF ALONG SHORE: TO 300YDS OUT 1966 3 7 20 -1 -1 -1 -1 -1 -1 -1 484.TIF ALONG SHORE: TO 50FT OUT 1966 3 7 -1 -1 LF -1 -1 -1 -1 -1 -1 484.TIF BEYOND 50FT OUT 1966 3 14 -1 -1 LF -1 -1 DI -1 -1 -1 -1 485.TIF 1966 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 486.TIF 1966 3 28 -1 -1 FS -1 -1 -1 -1 -1 -1 487.TIF ALONG SHORE: NEAR ISLE PERROT 1966 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 487.TIF EXCEPT ALONG SHORE 1967 3 20 -1 -1 FS -1 -1 -1 -1 -1 -1 492.TIF 1967 4 3 -1 -1 OW -1 -1 BV -1 -1 -1 -1 494.TIF 1968 3 4 20 28 -1 -1 -1 -1 -1 -1 520.TIF 1970 3 3 31 -1 -1 -1 -1 -1 -1 -1 518.TIF UPPER LAKE 1970 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 518.TIF LOWER LAKE 1970 3 17 -1 -1 IP -1 -1 BV -1 -1 -1 -1 512.TIF BELOW LOCK #3 ---------------------------------------------------------------------------------------------------------- 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.