GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 495, Approximate Location: 44.73 N. Latitude, 75.46 W. Longitude Site Name Prescott Harbor on St. Lawrence River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1940 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 277.TIF BOTH HARBORS 1941 3 3 14 -1 -1 -1 -1 -1 -1 -1 285.TIF 1941 3 10 14 -1 -1 -1 -1 -1 -1 -1 286.TIF 1948 3 22 -1 -1 OW -1 -1 -1 -1 -1 -1 337.TIF 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF 1954 3 8 -1 -1 LF -1 -1 -1 -1 -1 -1 382.TIF 1955 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 390.TIF 1955 3 7 -1 -1 DI -1 -1 -1 -1 -1 -1 392.TIF 1955 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 393.TIF 1955 3 21 -1 -1 DI -1 -1 -1 -1 -1 -1 394.TIF AND RIVER 1956 2 27 -1 -1 OW -1 -1 -1 -1 -1 -1 398.TIF 1956 3 5 -1 -1 LI -1 -1 -1 -1 -1 -1 400.TIF AND RIVER 1956 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 401.TIF EXCEPT ALONG SHORE 1956 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 403.TIF 1956 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 404.TIF 1957 3 4 -1 -1 OW -1 -1 -1 -1 -1 -1 410.TIF 1958 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 418.TIF 1958 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 419.TIF 1958 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 421.TIF 1959 3 2 5 -1 -1 -1 -1 -1 -1 -1 424.TIF 1959 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 425.TIF 1959 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 426.TIF 1959 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 428.TIF 1959 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 430.TIF 1960 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 436.TIF 1960 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 437.TIF 1960 4 11 -1 -1 OW -1 -1 -1 -1 -1 -1 439.TIF 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF 1961 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 443.TIF 1961 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 444.TIF EXCEPT BEHIND ICE BOOM 1961 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 445.TIF 1962 3 26 -1 -1 OW -1 -1 -1 -1 -1 -1 451.TIF HARBOR: EASTWARD 1964 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 466.TIF 1964 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 469.TIF 1965 3 15 -1 -1 OW -1 -1 -1 -1 -1 -1 476.TIF 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF 1966 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 485.TIF 1966 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 486.TIF 1967 3 6 12 -1 -1 -1 -1 -1 -1 -1 490.TIF 1968 3 11 10 -1 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 8 -1 -1 -1 -1 -1 -1 -1 498.TIF 1969 2 24 -1 -1 SO -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 507.TIF 1970 4 21 -1 -1 OW -1 -1 -1 -1 -1 -1 517.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.