GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project
 National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970

 Site No. 390, Approximate Location: 42.00 N. Latitude, 82.91 W. Longitude
 Site Name  Colchester                     on Lake Erie         
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 Year Mo Da   T1   T2   C1  T1C1 T2C1  C2  T1C2 T2C2  C3 T1C3 T2C3  IMAGE   Supplemental Information
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 1947  3 10   -1   -1   IP   -1   -1        -1   -1       -1   -1  327.TIF   REEF: TO DETROIT RIVER LIGHT    
 1947  3 10   -1   -1   WI   96  144        -1   -1       -1   -1  327.TIF   3Mi EAST                        

 1960  2 19    2    4   NI   -1   -1        -1   -1       -1   -1  523.TIF   TO DETROIT RIVER LIGHT          

 1961  2 27   10   29   DI   -1   -1   SI   -1   -1   WI  -1   -1  440.TIF   REEF: TO DETROIT LIGHT          
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 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.