GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 258, Approximate Location: 45.36 N. Latitude, 86.93 W. Longitude Site Name Detroit Island Harbor on Lake Michigan ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1941 3 24 18 -1 -1 -1 -1 -1 -1 -1 288.TIF 1951 3 12 18 22 -1 -1 -1 -1 -1 -1 361.TIF 1951 3 19 15 22 -1 -1 -1 -1 -1 -1 362.TIF 1951 3 26 16 22 -1 -1 -1 -1 -1 -1 363.TIF 1951 3 26 -1 -1 IP -1 -1 BV -1 -1 -1 -1 363.TIF TO THE W & N 1956 3 12 -1 -1 RI -1 -1 PN -1 -1 -1 -1 401.TIF 1957 2 25 24 -1 -1 -1 -1 -1 -1 -1 407.TIF 1957 3 11 -1 -1 IP -1 -1 RT -1 -1 -1 -1 411.TIF 1959 3 9 34 -1 -1 -1 -1 -1 -1 -1 425.TIF 1959 3 23 34 -1 -1 -1 -1 -1 -1 -1 427.TIF 1959 3 30 32 -1 -1 -1 -1 -1 -1 -1 429.TIF 1961 3 13 -1 -1 LI -1 -1 BI -1 -1 -1 -1 442.TIF PASSAGE 1962 3 26 18 22 -1 -1 -1 -1 -1 -1 451.TIF 1962 4 2 14 -1 WT -1 -1 -1 -1 -1 -1 452.TIF 1963 3 11 24 36 -1 -1 -1 -1 -1 -1 458.TIF 1967 3 13 5 -1 -1 -1 -1 -1 -1 -1 491.TIF 1967 3 20 1 -1 SI -1 -1 -1 -1 -1 -1 492.TIF 1968 3 18 30 -1 -1 -1 -1 -1 -1 -1 498.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.