GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 141, Approximate Location: 45.41 N. Latitude, 83.79 W. Longitude Site Name Calcite Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1944 4 17 -1 -1 PI -1 -1 -1 -1 -1 -1 314.TIF 1952 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 371.TIF 1952 3 31 20 -1 -1 -1 -1 -1 -1 -1 372.TIF TO 10Mi SOUTH OF GRAYS REEF 1964 2 24 -1 -1 DI -1 -1 -1 -1 -1 -1 465.TIF 1964 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 465.TIF LAKE 1964 3 2 -1 -1 OW -1 -1 -1 -1 -1 -1 466.TIF 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF LAKE 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF 1965 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 474.TIF 1965 3 8 6 8 -1 -1 -1 -1 -1 -1 475.TIF 1965 3 22 18 -1 -1 -1 -1 -1 -1 -1 477.TIF 1965 3 22 -1 -1 DI -1 -1 BV -1 -1 -1 -1 477.TIF LAKE 1965 3 29 6 -1 -1 -1 -1 -1 -1 -1 478.TIF 1965 4 5 12 -1 BK -1 -1 -1 -1 -1 -1 479.TIF 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF 1967 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 493.TIF 1969 3 3 12 -1 -1 -1 -1 -1 -1 -1 504.TIF 1969 3 10 12 -1 -1 -1 -1 -1 -1 -1 505.TIF 1969 3 17 10 12 -1 -1 -1 -1 -1 -1 506.TIF 1970 3 3 15 -1 -1 -1 -1 -1 -1 -1 518.TIF 1970 3 10 13 -1 -1 -1 -1 -1 -1 -1 511.TIF 1970 3 17 13 -1 -1 -1 -1 -1 -1 -1 512.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.