GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 358, Approximate Location: 42.35 N. Latitude, 82.97 W. Longitude Site Name Detroit Harbor on Detroit River ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1934 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 229.TIF 1934 4 10 -1 -1 OW -1 -1 -1 -1 -1 -1 233.TIF 1939 3 20 -1 -1 RI -1 -1 -1 -1 -1 -1 270.TIF 1939 3 27 -1 -1 SO -1 -1 -1 -1 -1 -1 271.TIF 1939 4 3 -1 -1 SO -1 -1 -1 -1 -1 -1 272.TIF 1940 3 11 12 -1 -1 -1 -1 -1 -1 -1 278.TIF 1940 3 18 12 -1 -1 -1 -1 -1 -1 -1 279.TIF 1943 3 1 -1 -1 IP -1 -1 -1 -1 -1 -1 298.TIF (50% ICE COVER) 1955 2 28 -1 -1 SW -1 -1 -1 -1 -1 -1 389.TIF TO TOLEDO: NEAR SHORE 1955 2 28 -1 -1 IP -1 -1 -1 -1 -1 -1 389.TIF TO SANDUSKY (90% ICE COVER) 1961 3 6 -1 -1 OW -1 -1 -1 -1 -1 -1 441.TIF 1962 4 3 -1 -1 -1 -1 -1 -1 -1 -1 455.TIF PORT OPENING 1963 3 31 -1 -1 -1 -1 -1 -1 -1 -1 464.TIF PORT OPENING 1964 3 8 -1 -1 -1 -1 -1 -1 -1 -1 472.TIF PORT OPENING 1965 3 16 -1 -1 -1 -1 -1 -1 -1 -1 482.TIF PORT OPENING 1965 3 22 -1 -1 NI 3 5 -1 -1 -1 -1 477.TIF 1966 3 20 -1 -1 -1 -1 -1 -1 -1 -1 484.TIF ANTICIPATED PORT OPENING 1967 3 18 -1 -1 -1 -1 -1 -1 -1 -1 490.TIF ANTICIPATED PORT OPENING 1967 3 19 -1 -1 -1 -1 -1 -1 -1 -1 496.TIF PORT OPENING 1969 2 24 5 -1 -1 -1 -1 -1 -1 -1 503.TIF (20% ICE COVER) 1969 3 3 4 -1 -1 -1 -1 -1 -1 -1 504.TIF (10% ICE COVER) 1969 3 10 4 -1 -1 -1 -1 -1 -1 -1 505.TIF (10% ICE COVER) 1969 3 17 3 -1 -1 -1 -1 -1 -1 -1 506.TIF (10% ICE COVER) 1969 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 507.TIF 1970 3 3 2 -1 -1 -1 -1 -1 -1 -1 518.TIF (20% ICE COVER) 1970 3 10 4 -1 -1 -1 -1 -1 -1 -1 511.TIF (10% ICE COVER) 1970 3 24 3 -1 -1 -1 -1 -1 -1 -1 513.TIF (10% ICE COVER) 1970 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 514.TIF 1970 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 515.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.