GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 193, Approximate Location: 44.05 N. Latitude, 82.99 W. Longitude Site Name Port Austin Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1940 3 18 24 -1 -1 -1 -1 -1 -1 -1 279.TIF 1946 3 4 24 -1 -1 -1 -1 -1 -1 -1 318.TIF 1946 3 11 24 -1 -1 -1 -1 -1 -1 -1 319.TIF 1947 3 3 12 -1 -1 -1 -1 -1 -1 -1 326.TIF 1947 3 10 12 -1 -1 -1 -1 -1 -1 -1 327.TIF 1947 3 24 11 -1 SW -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 11 -1 DI -1 -1 FD -1 -1 SW -1 -1 330.TIF 1948 3 1 30 -1 -1 -1 -1 -1 -1 -1 334.TIF 1953 3 2 -1 -1 SI -1 -1 -1 -1 -1 -1 528.TIF TO 1/4Mi OUT 1959 3 9 30 48 WI -1 -1 -1 -1 -1 -1 425.TIF TO 4Mi OUT 1960 2 19 12 -1 IP -1 -1 BV -1 -1 -1 -1 523.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 SO -1 -1 -1 -1 -1 -1 506.TIF 1969 3 24 -1 -1 RT -1 -1 -1 -1 -1 -1 507.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.