GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 134, Approximate Location: 45.70 N. Latitude, 80.62 W. Longitude Site Name Britt Sound on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1934 3 20 -1 -1 IP -1 -1 BV -1 -1 -1 -1 230.TIF 1934 3 27 36 -1 SO -1 -1 -1 -1 -1 -1 231.TIF 1934 4 3 30 36 SO -1 -1 -1 -1 -1 -1 232.TIF 1934 4 10 -1 -1 SW -1 -1 -1 -1 -1 -1 233.TIF 1934 4 17 -1 -1 OW -1 -1 -1 -1 -1 -1 234.TIF 4Mi FROM LIGHT 1934 4 24 -1 -1 BK -1 -1 -1 -1 -1 -1 235.TIF TO 3 OR 4Mi OUT 1935 3 26 -1 -1 IP -1 -1 BV -1 -1 -1 -1 240.TIF 1935 4 2 -1 -1 IP -1 -1 BV -1 -1 -1 -1 241.TIF 1935 4 16 -1 -1 CL -1 -1 -1 -1 -1 -1 243.TIF TO 1Mi OUT FROM LIGHT 1936 3 17 34 -1 -1 -1 -1 -1 -1 -1 245.TIF BAY 1936 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 247.TIF 3Mi FROM LIGHTHOUSE 1936 4 6 -1 -1 DI -1 -1 BV -1 -1 -1 -1 248.TIF 1936 4 13 -1 -1 IP -1 -1 BV -1 -1 -1 -1 249.TIF 1936 4 20 -1 -1 IP -1 -1 -1 -1 -1 -1 250.TIF TO 3Mi OUT 1936 4 27 -1 -1 IP -1 -1 -1 -1 -1 -1 251.TIF TO 1Mi OUT 1937 3 22 -1 -1 IP -1 -1 BV -1 -1 -1 -1 256.TIF 1937 3 29 -1 -1 IP -1 -1 BV -1 -1 -1 -1 257.TIF 1937 4 5 -1 -1 OW -1 -1 -1 -1 -1 -1 258.TIF 6Mi OUT 1937 4 12 -1 -1 IP -1 -1 -1 -1 -1 -1 259.TIF TO 1Mi OUT 1937 4 19 -1 -1 IP -1 -1 -1 -1 -1 -1 260.TIF TO 1 & 1/2Mi OUT 1938 3 28 -1 -1 IP -1 -1 BV -1 -1 -1 -1 264.TIF 1938 4 11 -1 -1 IP -1 -1 -1 -1 -1 -1 266.TIF 1939 3 13 26 -1 -1 -1 -1 -1 -1 -1 269.TIF 1939 4 24 -1 -1 OW -1 -1 -1 -1 -1 -1 275.TIF 5Mi OUT 1939 5 1 -1 -1 HF -1 -1 -1 -1 -1 -1 276.TIF A 2Mi RIDGE 1940 4 22 -1 -1 IJ -1 -1 -1 -1 -1 -1 284.TIF 1941 3 10 18 24 -1 -1 -1 -1 -1 -1 286.TIF 1942 3 23 -1 -1 RT -1 -1 -1 -1 -1 -1 294.TIF 1942 4 6 -1 -1 SO -1 -1 -1 -1 -1 -1 296.TIF TO 1Mi FROM GEREAUX LIGHTHOUSE 1943 4 5 -1 -1 SO -1 -1 BV -1 -1 -1 -1 303.TIF 1943 4 12 -1 -1 SO -1 -1 BV -1 -1 -1 -1 304.TIF 1943 4 19 -1 -1 SW -1 -1 -1 -1 -1 -1 305.TIF GEREAUX LIGHTHOUSE 1943 4 26 -1 -1 SO -1 -1 -1 -1 -1 -1 306.TIF TO 5Mi OUT FROM LIGHTHOUSE 1943 4 26 -1 -1 LI -1 -1 -1 -1 -1 -1 306.TIF CHANNEL 1943 5 3 -1 -1 OW -1 -1 -1 -1 -1 -1 307.TIF 1944 3 6 -1 -1 SO -1 -1 BV -1 -1 -1 -1 308.TIF 1944 3 27 -1 -1 DI -1 -1 SW -1 -1 -1 -1 311.TIF 1944 4 3 -1 -1 DI -1 -1 -1 -1 -1 -1 312.TIF 1945 3 26 -1 -1 SO -1 -1 -1 -1 -1 -1 316.TIF TO 7Mi IN CHANNEL 1945 4 2 -1 -1 IP -1 -1 WI -1 -1 -1 -1 317.TIF 4Mi IN CHANNEL 1946 3 25 -1 -1 SO -1 -1 -1 -1 -1 -1 321.TIF CLARKS ISL. TO GEREAUX LIGHT 1948 4 12 -1 -1 SO -1 -1 -1 -1 -1 -1 340.TIF TO 5Mi OUT FROM GEREAUX LIGHT 1949 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 527.TIF 5Mi OUT FROM GEREAUX LIGHTHOUS 1949 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 342.TIF 2Mi OUT FROM GEREAUX LIGHTHOUS 1949 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 344.TIF 2Mi OUT FROM GEREAUX LIGHTHOUS 1950 3 27 -1 -1 BK -1 -1 -1 -1 -1 -1 353.TIF RIVER CHANNEL 1950 3 27 -1 -1 SO -1 -1 -1 -1 -1 -1 353.TIF BAY 1950 4 3 -1 -1 SO -1 -1 BV -1 -1 -1 -1 354.TIF BAY 1951 2 26 18 -1 SO -1 -1 BV -1 -1 -1 -1 359.TIF 1951 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 364.TIF TO 2Mi OUT 1951 4 9 -1 -1 FD -1 -1 -1 -1 -1 -1 365.TIF TO 5 TO 10Mi OUT 1953 3 30 -1 -1 IP -1 -1 WI -1 -1 -1 -1 380.TIF LIGHTHOUSE: TO 2 & 1/2Mi OUT 1954 3 22 -1 -1 BK -1 -1 -1 -1 -1 -1 384.TIF CHANNEL 1954 3 29 -1 -1 BK -1 -1 -1 -1 -1 -1 385.TIF CHANNEL 1954 4 5 -1 -1 IP -1 -1 WI -1 -1 -1 -1 386.TIF TO 5Mi OUT 1954 4 12 -1 -1 HF -1 -1 WI -1 -1 -1 -1 387.TIF OUTSIDE LIGHTHOUSE 1954 4 19 -1 -1 OW -1 -1 -1 -1 -1 -1 388.TIF CHANNEL 1955 3 7 5 10 SC -1 -1 -1 -1 -1 -1 391.TIF BAY 1955 3 14 -1 -1 SO -1 -1 -1 -1 -1 -1 393.TIF TO BELL BUOY POSITION 1955 3 28 -1 -1 BK -1 -1 -1 -1 -1 -1 395.TIF CHANNEL 1956 3 19 -1 -1 SO -1 -1 -1 -1 -1 -1 402.TIF CHANNEL 1957 2 25 24 -1 -1 -1 -1 -1 -1 -1 407.TIF MAGNETAWAN RIVER 1957 3 25 -1 -1 BK -1 -1 -1 -1 -1 -1 413.TIF CHANNEL 1958 3 31 6 22 -1 -1 -1 -1 -1 -1 421.TIF MAGNETAWAN RIVER 1959 3 9 22 -1 CL -1 -1 BV -1 -1 -1 -1 425.TIF 1959 4 6 -1 -1 SO -1 -1 RT -1 -1 -1 -1 430.TIF CHANNEL 1959 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 432.TIF CHANNEL: TO CLARKS ISLAND 1959 4 20 -1 -1 SO -1 -1 BV -1 -1 -1 -1 432.TIF BAY 1961 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 442.TIF TO OLD TOWER ROCKS 1961 3 13 -1 -1 WI -1 -1 -1 -1 -1 -1 442.TIF 2Mi BEYOND OLD TOWER ROCKS 1961 3 27 -1 -1 RT -1 -1 -1 -1 -1 -1 444.TIF CHANNEL 1961 4 10 -1 -1 SO -1 -1 -1 -1 -1 -1 446.TIF TO RABBIT ISLAND 1962 3 12 14 -1 SC 12 -1 BV -1 -1 -1 -1 449.TIF 1962 3 19 14 -1 -1 -1 -1 -1 -1 -1 450.TIF 1963 4 1 -1 -1 RT -1 -1 -1 -1 -1 -1 461.TIF CHANNEL 1963 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 463.TIF TO CLARK ISLAND 1964 2 24 -1 -1 IP -1 -1 BV -1 -1 -1 -1 465.TIF 1964 3 23 -1 -1 BK -1 -1 -1 -1 -1 -1 469.TIF CHANNEL 1965 4 12 22 -1 -1 -1 -1 -1 -1 -1 480.TIF 1965 4 19 -1 -1 BK -1 -1 -1 -1 -1 -1 481.TIF CHANNEL 1966 3 28 -1 -1 BK -1 -1 RT -1 -1 -1 -1 487.TIF CHANNEL 1966 4 4 -1 -1 SO -1 -1 -1 -1 -1 -1 488.TIF CLARKS ISL. TO OLD TOWER ROCK 1968 2 26 16 -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.