GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 035, Approximate Location: 46.94 N. Latitude, 90.65 W. Longitude Site Name Apostle Islands on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1920 3 16 -1 -1 IP -1 -1 -1 -1 -1 -1 141.TIF 1920 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 143.TIF 1920 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 144.TIF LAKE: IN THE DISTANCE 1920 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 145.TIF 1921 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 146.TIF 1923 3 6 -1 -1 SO -1 -1 -1 -1 -1 -1 155.TIF 1923 3 13 -1 -1 SO -1 -1 -1 -1 -1 -1 156.TIF 1923 4 3 -1 -1 FD -1 -1 -1 -1 -1 -1 159.TIF 1924 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 164.TIF BEYOND MICHIGAN ISLAND 1943 3 15 -1 -1 SW -1 -1 -1 -1 -1 -1 300.TIF NEAR ISLANDS & WESTWARD 1947 3 24 24 26 -1 -1 -1 -1 -1 -1 329.TIF CHANNEL NEAR BAYFIELD 1949 2 28 12 20 SO -1 -1 -1 -1 -1 -1 526.TIF 1949 3 7 12 20 SO -1 -1 -1 -1 -1 -1 341.TIF 1949 3 14 12 20 SO -1 -1 -1 -1 -1 -1 343.TIF 1950 4 17 -1 -1 SO -1 -1 -1 -1 -1 -1 356.TIF 1950 5 1 -1 -1 FD -1 -1 BK -1 -1 -1 -1 358.TIF 5Mi S OF MICHIGAN ISL.: TO S S 1954 3 22 -1 -1 DI -1 -1 -1 -1 -1 -1 384.TIF NORTH OF OAK ISLAND 1954 3 29 -1 -1 DI -1 -1 -1 -1 -1 -1 385.TIF OAK ISLAND 1955 2 28 4 10 CL -1 -1 SC 5 8 -1 -1 389.TIF 1955 3 7 6 11 CL -1 -1 SC 4 6 -1 -1 391.TIF 1955 3 14 3 11 SC 1 3 -1 -1 -1 -1 393.TIF 1955 3 21 6 14 -1 -1 -1 -1 -1 -1 394.TIF 1955 3 28 4 7 CL -1 -1 SC 8 10 -1 -1 395.TIF 1957 4 15 -1 -1 FD -1 -1 SO -1 -1 -1 -1 415.TIF 1958 4 7 -1 -1 IP -1 -1 -1 -1 -1 -1 422.TIF ONTONAGON TO APOSTLES 1958 4 7 -1 -1 IP -1 -1 -1 -1 -1 -1 422.TIF 6Mi N OF OUTER ISL. NW TO SHOR 1958 4 14 -1 -1 FD -1 -1 DI -1 -1 RT -1 -1 423.TIF 1963 4 22 -1 -1 FD -1 -1 -1 -1 -1 -1 464.TIF TO PORT WING: TO 20Mi OUT 1967 4 10 2 10 DI -1 -1 WI -1 -1 SW -1 -1 495.TIF TO KEWEENAW UPPER ENTRY 1967 4 17 -1 -1 RT -1 -1 -1 -1 -1 -1 496.TIF ALONG SHORE 1970 3 31 -1 -1 FS -1 -1 WI -1 -1 -1 -1 514.TIF TO STANNARD ROCK ---------------------------------------------------------------------------------------------------------- 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.