GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 209, Approximate Location: 43.43 N. Latitude, 82.54 W. Longitude Site Name Port Sanilac Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1946 3 4 3 4 -1 -1 -1 -1 -1 -1 318.TIF 1946 3 11 3 -1 -1 -1 -1 -1 -1 -1 319.TIF 1948 3 1 8 -1 -1 -1 -1 -1 -1 -1 334.TIF 1948 3 8 5 -1 -1 -1 -1 -1 -1 -1 335.TIF 1948 3 15 7 8 -1 -1 -1 -1 -1 -1 336.TIF 1950 3 13 4 5 -1 -1 -1 -1 -1 -1 351.TIF TO 1/2Mi OUT 1950 3 27 3 -1 -1 -1 -1 -1 -1 -1 353.TIF 1953 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 375.TIF 1953 3 9 1 -1 BK -1 -1 -1 -1 -1 -1 376.TIF 1954 3 8 -1 -1 NI -1 -1 -1 -1 -1 -1 382.TIF 1955 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 391.TIF 1955 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 393.TIF 1955 3 21 -1 -1 OW -1 -1 -1 -1 -1 -1 394.TIF 1956 3 5 3 4 -1 -1 -1 -1 -1 -1 399.TIF 1956 3 12 -1 -1 SI -1 -1 -1 -1 -1 -1 401.TIF 1956 3 19 2 3 -1 -1 -1 -1 -1 -1 402.TIF 1957 3 4 -1 -1 FD -1 -1 DI -1 -1 SI -1 -1 409.TIF 1958 3 10 -1 -1 SI -1 -1 -1 -1 -1 -1 418.TIF TO 1/4Mi OUT 1958 3 17 -1 -1 SI -1 -1 -1 -1 -1 -1 419.TIF 1958 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 421.TIF 1960 3 28 11 -1 -1 -1 -1 -1 -1 -1 437.TIF 1967 3 6 12 -1 DI -1 -1 -1 -1 -1 -1 490.TIF 1967 3 13 8 -1 -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 2 3 -1 -1 -1 -1 -1 -1 492.TIF 1967 3 27 4 6 -1 -1 -1 -1 -1 -1 493.TIF 1967 4 3 1 -1 -1 -1 -1 -1 -1 -1 494.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.