GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 268, Approximate Location: 45.12 N. Latitude, 85.60 W. Longitude Site Name Northport Harbor on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1914 3 10 13 -1 -1 -1 -1 -1 -1 -1 099.TIF 1914 3 24 13 -1 -1 -1 -1 -1 -1 -1 101.TIF 1914 3 31 10 -1 RT -1 -1 -1 -1 -1 -1 102.TIF 1914 4 7 8 10 RT -1 -1 -1 -1 -1 -1 103.TIF 1914 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 104.TIF 1916 3 14 6 -1 -1 -1 -1 -1 -1 -1 114.TIF 1916 3 28 4 6 RT -1 -1 -1 -1 -1 -1 116.TIF 1916 4 11 3 4 SI -1 -1 -1 -1 -1 -1 118.TIF 1916 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 119.TIF 1918 4 9 -1 -1 BK -1 -1 -1 -1 -1 -1 133.TIF 1918 4 16 -1 -1 LI -1 -1 -1 -1 -1 -1 134.TIF 1932 3 15 -1 -1 SI -1 -1 -1 -1 -1 -1 216.TIF 1934 4 3 18 -1 -1 -1 -1 -1 -1 -1 232.TIF 1937 3 15 3 -1 -1 -1 -1 -1 -1 -1 255.TIF 1937 3 22 3 4 -1 -1 -1 -1 -1 -1 256.TIF 1937 3 29 3 4 -1 -1 -1 -1 -1 -1 257.TIF 1939 3 13 3 -1 -1 -1 -1 -1 -1 -1 269.TIF 1939 3 20 -1 -1 BK -1 -1 -1 -1 -1 -1 270.TIF 1941 3 17 -1 -1 DI -1 -1 -1 -1 -1 -1 287.TIF 1943 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 298.TIF 1943 3 8 5 -1 -1 -1 -1 -1 -1 -1 299.TIF 1943 3 29 -1 -1 SO -1 -1 -1 -1 -1 -1 302.TIF 1944 3 13 -1 -1 SI -1 -1 -1 -1 -1 -1 309.TIF 1947 3 10 6 -1 -1 -1 -1 -1 -1 -1 327.TIF 1947 3 17 6 -1 RT -1 -1 -1 -1 -1 -1 328.TIF TO GRAND TRAVERSE LIGHT 1947 3 24 8 -1 -1 -1 -1 -1 -1 -1 329.TIF 1947 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 330.TIF 1948 3 22 14 -1 -1 -1 -1 -1 -1 -1 337.TIF 1948 3 29 13 -1 -1 -1 -1 -1 -1 -1 338.TIF 1949 2 28 -1 -1 OW -1 -1 -1 -1 -1 -1 526.TIF 1950 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 350.TIF 1950 3 20 -1 -1 DI -1 -1 -1 -1 -1 -1 352.TIF 1950 3 27 -1 -1 SI -1 -1 -1 -1 -1 -1 353.TIF 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF 1951 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 361.TIF 1952 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 368.TIF 1952 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 369.TIF 1953 3 9 -1 -1 OW -1 -1 -1 -1 -1 -1 376.TIF 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 399.TIF EXCEPT SOME SHORE ICE 1956 3 19 -1 -1 NI -1 -1 -1 -1 -1 -1 402.TIF 1956 4 2 -1 -1 OW -1 -1 -1 -1 -1 -1 404.TIF 1958 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 419.TIF 1958 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 420.TIF 1959 3 16 15 18 -1 -1 -1 -1 -1 -1 426.TIF 1959 3 23 12 15 -1 -1 -1 -1 -1 -1 427.TIF 1959 4 6 10 -1 -1 -1 -1 -1 -1 -1 430.TIF 1959 4 13 4 5 -1 -1 -1 -1 -1 -1 431.TIF 1960 3 7 2 -1 -1 -1 -1 -1 -1 -1 434.TIF 1960 3 14 4 -1 -1 -1 -1 -1 -1 -1 435.TIF 1960 3 21 5 6 -1 -1 -1 -1 -1 -1 436.TIF 1960 3 28 -1 -1 OW -1 -1 -1 -1 -1 -1 437.TIF 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF 1962 3 5 12 -1 -1 -1 -1 -1 -1 -1 448.TIF 1962 3 12 12 -1 -1 -1 -1 -1 -1 -1 449.TIF 1962 3 26 8 10 -1 -1 -1 -1 -1 -1 451.TIF 1963 2 25 16 -1 -1 -1 -1 -1 -1 -1 456.TIF 1963 3 4 18 -1 -1 -1 -1 -1 -1 -1 457.TIF 1963 3 11 18 -1 -1 -1 -1 -1 -1 -1 458.TIF 1963 3 18 18 -1 -1 -1 -1 -1 -1 -1 459.TIF 1963 3 25 20 -1 -1 -1 -1 -1 -1 -1 460.TIF 1965 3 1 3 4 -1 -1 -1 -1 -1 -1 474.TIF 1965 3 8 3 -1 RT -1 -1 -1 -1 -1 -1 475.TIF 1965 3 15 2 3 -1 -1 -1 -1 -1 -1 476.TIF 1965 3 22 3 -1 -1 -1 -1 -1 -1 -1 477.TIF 1965 3 29 6 -1 -1 -1 -1 -1 -1 -1 478.TIF 1966 3 7 -1 -1 OW -1 -1 -1 -1 -1 -1 484.TIF 1966 3 14 -1 -1 OW -1 -1 -1 -1 -1 -1 485.TIF 1967 3 6 8 10 -1 -1 -1 -1 -1 -1 490.TIF 1967 3 13 10 12 -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 12 14 -1 -1 -1 -1 -1 -1 492.TIF 1967 4 3 8 10 -1 -1 -1 -1 -1 -1 494.TIF 1968 3 4 4 6 -1 -1 -1 -1 -1 -1 520.TIF 1968 3 11 8 10 -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 8 -1 -1 -1 -1 -1 -1 -1 498.TIF 1968 3 25 6 8 -1 -1 -1 -1 -1 -1 499.TIF 1970 3 10 4 -1 -1 -1 -1 -1 -1 -1 511.TIF 1970 3 31 4 -1 -1 -1 -1 -1 -1 -1 514.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.