GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 177, Approximate Location: 44.50 N. Latitude, 80.24 W. Longitude Site Name Collingwood Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1952 3 3 -1 -1 SO -1 -1 -1 -1 -1 -1 368.TIF TO BW 1952 3 31 -1 -1 BK -1 -1 -1 -1 -1 -1 372.TIF INNER HARBOR 1953 3 9 -1 -1 IP -1 -1 -1 -1 -1 -1 376.TIF 1953 3 23 -1 -1 SI -1 -1 -1 -1 -1 -1 379.TIF 1954 3 1 -1 -1 LI -1 -1 -1 -1 -1 -1 381.TIF 1954 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 388.TIF 1955 3 7 -1 -1 SO -1 -1 -1 -1 -1 -1 391.TIF 1956 2 27 -1 -1 DI -1 -1 -1 -1 -1 -1 397.TIF 1957 3 25 15 18 DI -1 -1 -1 -1 -1 -1 413.TIF 1957 4 1 -1 -1 LI -1 -1 -1 -1 -1 -1 414.TIF 1958 2 24 14 18 -1 -1 -1 -1 -1 -1 416.TIF 1958 3 10 -1 -1 HF -1 -1 PI -1 -1 BV -1 -1 418.TIF 1958 3 17 -1 -1 SO -1 -1 -1 -1 -1 -1 419.TIF 1958 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 423.TIF 1959 3 16 25 -1 -1 -1 -1 -1 -1 -1 426.TIF 1959 4 6 -1 -1 IP -1 -1 BV -1 -1 -1 -1 430.TIF 1960 2 29 14 -1 -1 -1 -1 -1 -1 -1 522.TIF 1960 3 21 17 -1 BV -1 -1 -1 -1 -1 -1 436.TIF 1960 4 11 -1 -1 SO -1 -1 -1 -1 -1 -1 439.TIF TO 2Mi OUT 1961 2 27 14 -1 -1 -1 -1 -1 -1 -1 440.TIF 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF ENTRANCE CHANNEL 1961 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 442.TIF NORTHERN 1/2 1961 3 13 -1 -1 BK -1 -1 -1 -1 -1 -1 442.TIF SOUTHERN 1/2 1961 3 20 -1 -1 RT -1 -1 -1 -1 -1 -1 443.TIF AND ALONG SHORE 1961 4 3 -1 -1 BK -1 -1 -1 -1 -1 -1 445.TIF 1961 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 446.TIF 1962 2 26 -1 -1 HF -1 -1 BK -1 -1 -1 -1 447.TIF (CUT) 1962 4 2 15 -1 BK -1 -1 -1 -1 -1 -1 452.TIF 1963 2 25 22 -1 -1 -1 -1 -1 -1 -1 456.TIF INNER HARBOR 1963 3 18 15 22 -1 -1 -1 -1 -1 -1 459.TIF 1963 4 8 -1 -1 OW -1 -1 BV -1 -1 -1 -1 462.TIF 1963 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 464.TIF 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF 1964 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 469.TIF 1965 2 23 18 -1 CL -1 -1 -1 -1 -1 -1 473.TIF 1965 3 8 22 -1 -1 -1 -1 -1 -1 -1 475.TIF 1965 3 29 16 22 -1 -1 -1 -1 -1 -1 478.TIF 1965 4 5 22 -1 WI -1 -1 BV -1 -1 -1 -1 479.TIF 1966 3 7 8 24 -1 -1 -1 -1 -1 -1 484.TIF 1967 3 6 16 -1 -1 -1 -1 -1 -1 -1 490.TIF 1967 3 20 18 -1 -1 -1 -1 -1 -1 -1 492.TIF 1967 3 27 20 -1 -1 -1 -1 -1 -1 -1 493.TIF 1967 4 3 14 -1 BK -1 -1 -1 -1 -1 -1 494.TIF 1968 3 4 14 20 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 18 20 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 18 20 -1 -1 -1 -1 -1 -1 498.TIF 1968 4 1 14 18 BK -1 -1 -1 -1 -1 -1 500.TIF 1969 2 24 13 -1 -1 -1 -1 -1 -1 -1 503.TIF 1970 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 516.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.