GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 185, Approximate Location: 44.26 N. Latitude, 83.44 W. Longitude Site Name Tawas Bay Harbor on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1939 3 27 18 -1 -1 -1 -1 -1 -1 -1 271.TIF 1939 4 3 18 -1 -1 -1 -1 -1 -1 -1 272.TIF 1939 4 17 14 -1 -1 -1 -1 -1 -1 -1 274.TIF 1940 3 18 24 -1 -1 -1 -1 -1 -1 -1 279.TIF 1944 3 6 19 -1 -1 -1 -1 -1 -1 -1 308.TIF 1944 3 13 20 -1 -1 -1 -1 -1 -1 -1 309.TIF 1944 4 3 20 -1 -1 -1 -1 -1 -1 -1 312.TIF 1944 4 10 18 -1 RT -1 -1 -1 -1 -1 -1 313.TIF 1950 3 13 18 20 -1 -1 -1 -1 -1 -1 351.TIF 1952 2 25 18 20 SO -1 -1 CL -1 -1 -1 -1 367.TIF 1953 3 2 5 9 -1 -1 -1 -1 -1 -1 528.TIF 1953 3 9 5 10 NI -1 -1 -1 -1 -1 -1 376.TIF 1954 3 22 18 20 WI -1 -1 -1 -1 -1 -1 384.TIF LIGHT: TO TAWAS BEACH CLUB 1955 3 21 10 -1 SI -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 10 -1 SI -1 -1 -1 -1 -1 -1 395.TIF C. G. STATION TO STATE DOCK 1956 3 26 6 -1 -1 -1 -1 -1 -1 -1 403.TIF 1957 2 25 24 -1 -1 -1 -1 -1 -1 -1 407.TIF 1957 3 4 20 24 -1 -1 -1 -1 -1 -1 409.TIF 1957 3 11 18 24 -1 -1 -1 -1 -1 -1 411.TIF 1958 3 3 18 24 SL -1 -1 -1 -1 -1 -1 417.TIF 1959 3 9 30 -1 CL -1 -1 -1 -1 -1 -1 425.TIF 1959 3 16 31 -1 -1 -1 -1 -1 -1 -1 426.TIF 1959 3 23 29 -1 RT -1 -1 -1 -1 -1 -1 427.TIF 1959 4 6 25 -1 -1 -1 -1 -1 -1 -1 430.TIF 1960 3 28 27 -1 -1 -1 -1 -1 -1 -1 437.TIF 1960 4 11 20 -1 -1 -1 -1 -1 -1 -1 439.TIF 1961 3 6 28 -1 -1 -1 -1 -1 -1 -1 441.TIF 1962 2 26 24 -1 -1 -1 -1 -1 -1 -1 447.TIF 1962 3 5 26 -1 -1 -1 -1 -1 -1 -1 448.TIF 1962 4 2 26 -1 -1 -1 -1 -1 -1 -1 452.TIF 1963 3 4 34 -1 -1 -1 -1 -1 -1 -1 457.TIF 1963 3 18 36 -1 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 30 -1 -1 -1 -1 -1 -1 -1 460.TIF 1963 4 1 26 -1 -1 -1 -1 -1 -1 -1 461.TIF 1964 3 23 12 -1 FS -1 -1 -1 -1 -1 -1 469.TIF TO 3/4Mi OUT 1965 3 22 17 20 FS -1 -1 CL -1 -1 -1 -1 477.TIF 1966 3 7 15 -1 -1 -1 -1 -1 -1 -1 484.TIF 1967 4 3 10 -1 RT -1 -1 -1 -1 -1 -1 494.TIF 1968 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 501.TIF 1970 3 10 20 -1 -1 -1 -1 -1 -1 -1 511.TIF 1970 3 17 22 -1 -1 -1 -1 -1 -1 -1 512.TIF 1970 3 24 18 -1 -1 -1 -1 -1 -1 -1 513.TIF 1970 3 31 15 -1 -1 -1 -1 -1 -1 -1 514.TIF (50% ICE COVER) 1970 4 7 15 -1 -1 -1 -1 -1 -1 -1 515.TIF (50% ICE COVER) 1970 4 14 8 -1 -1 -1 -1 -1 -1 -1 516.TIF (30% ICE COVER) ---------------------------------------------------------------------------------------------------------- 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.