GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 178, Approximate Location: 44.50 N. Latitude, 80.24 W. Longitude Site Name Collingwood on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1904 3 22 30 -1 -1 -1 -1 -1 -1 -1 032.TIF 1904 4 5 24 -1 RT -1 -1 -1 -1 -1 -1 034.TIF 1904 4 26 -1 -1 OW -1 -1 -1 -1 -1 -1 037.TIF 1904 4 26 -1 -1 BK -1 -1 DI -1 -1 -1 -1 037.TIF OUTSIDE ICE 1905 3 28 -1 -1 DC -1 -1 -1 -1 -1 -1 042.TIF 1905 3 28 -1 -1 SO -1 -1 -1 -1 -1 -1 042.TIF OUTSIDE FIELDS 1905 4 4 -1 -1 OW -1 -1 -1 -1 -1 -1 043.TIF 1951 4 9 -1 -1 OW -1 -1 -1 -1 -1 -1 365.TIF 1953 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 376.TIF BEYOND HARBOR 1954 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 381.TIF BAY 1954 4 12 -1 -1 OW -1 -1 -1 -1 -1 -1 387.TIF 1955 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 391.TIF LAKE 1957 3 25 -1 -1 OW -1 -1 -1 -1 -1 -1 413.TIF BEYOND HARBOR 1958 2 24 -1 -1 FD -1 -1 DI -1 -1 -1 -1 416.TIF BEYOND HARBOR 1958 4 14 -1 -1 FD -1 -1 BV -1 -1 -1 -1 423.TIF BEYOND HARBOR 1959 4 27 -1 -1 FD -1 -1 -1 -1 -1 -1 433.TIF 1960 4 11 -1 -1 HF -1 -1 DI -1 -1 -1 -1 439.TIF BEYOND 2Mi OUT 1961 2 27 -1 -1 BK -1 -1 -1 -1 -1 -1 440.TIF CHANNEL 1961 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 442.TIF BAY 1961 3 20 -1 -1 OW -1 -1 -1 -1 -1 -1 443.TIF BEYOND BW 1961 3 27 -1 -1 BK -1 -1 -1 -1 -1 -1 444.TIF (CUT) 1961 4 3 -1 -1 BK -1 -1 -1 -1 -1 -1 445.TIF CHANNEL (CUT) 1962 3 19 20 -1 -1 -1 -1 -1 -1 -1 450.TIF 1962 4 2 -1 -1 SO -1 -1 -1 -1 -1 -1 452.TIF BEYOND HARBOR 1962 4 23 -1 -1 OW -1 -1 -1 -1 -1 -1 455.TIF 1963 2 25 18 -1 BV -1 -1 -1 -1 -1 -1 456.TIF BEYOND HARBOR 1963 3 25 -1 -1 SW -1 -1 -1 -1 -1 -1 460.TIF 1965 3 29 -1 -1 WI -1 -1 BV -1 -1 -1 -1 478.TIF BAY 1965 4 12 20 -1 -1 -1 -1 -1 -1 -1 480.TIF 1965 4 19 12 -1 FD -1 -1 DI -1 -1 -1 -1 481.TIF 1966 2 28 18 24 -1 -1 -1 -1 -1 -1 483.TIF 1966 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 483.TIF BEYOND 1/2Mi OUT 1968 2 26 20 -1 -1 -1 -1 -1 -1 -1 521.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.