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

 Site No. 363, Approximate Location: 42.90 N. Latitude, 79.26 W. Longitude
 Site Name  Port Colborne                  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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 1924  4 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  169.TIF   WESTWARD                        

 1936  4 27   -1   -1   SW   -1   -1        -1   -1       -1   -1  251.TIF   TO LONG POINT                   
 1936  5  4   -1   -1   IP   -1   -1        -1   -1       -1   -1  252.TIF                                   

 1937  3  8    6   -1   SL   -1   -1        -1   -1       -1   -1  254.TIF   TO 1/2Mi OUT                    
 1937  3 15   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  255.TIF                                   
 1937  3 15    2   -1        -1   -1        -1   -1       -1   -1  255.TIF                                   
 1937  4 12   -1   -1   LF   -1   -1        -1   -1       -1   -1  259.TIF                                   

 1938  3  7   -1   -1   IP   -1   -1        -1   -1       -1   -1  261.TIF   TO 4Mi OUT                      
 1938  3 14   -1   -1   OW   -1   -1        -1   -1       -1   -1  262.TIF   TO SEVERAL MILES OUT            
 1938  3 14   -1   -1   FD   -1   -1        -1   -1       -1   -1  262.TIF   BEYOND SEVERAL MILES OUT        
 1938  3 21   -1   -1   DI   -1   -1        -1   -1       -1   -1  263.TIF                                   
 1938  4 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  266.TIF                                   

 1939  3 13   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  269.TIF                                   
 1939  3 20   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  270.TIF                                   
 1939  4 10   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  273.TIF   TO 10Mi OUT                     
 1939  4 24   -1   -1   DI   -1   -1        -1   -1       -1   -1  275.TIF   TO 25Mi OUT                     

 1940  3 11   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  278.TIF                                   
 1940  4  1   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  281.TIF                                   
 1940  4  8   -1   -1   IP   -1   -1   BV   -1   -1   SW  -1   -1  282.TIF                                   
 1940  4 22   -1   -1   BK   -1   -1        -1   -1       -1   -1  284.TIF                                   

 1941  3  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  285.TIF   BEYOND 3Mi OUT                  
 1941  3 17    4    6   WI   -1   -1        -1   -1       -1   -1  287.TIF   TO 1Mi OUT                      
 1941  3 17   -1   -1   OW   -1   -1        -1   -1       -1   -1  287.TIF   BEYOND 1Mi OUT                  
 1941  3 24   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  288.TIF                                   

 1942  3  9   -1   -1   SO   -1   -1        -1   -1       -1   -1  292.TIF   TO 2Mi OUT                      
 1942  3  9   -1   -1   BK   -1   -1        -1   -1       -1   -1  292.TIF   BEYOND 2Mi OUT                  
 1942  3 23   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  294.TIF                                   
 1942  3 23   -1   -1   IP   -1   -1        -1   -1       -1   -1  294.TIF                                   
 1942  3 30   -1   -1   BK   -1   -1   BV   -1   -1   SW  -1   -1  295.TIF                                   
 1942  4  6   -1   -1   IP   -1   -1        -1   -1       -1   -1  296.TIF                                   
 1942  4  6   -1   -1   BK   -1   -1        -1   -1       -1   -1  296.TIF   TO 10Mi OUT                     

 1943  3  1   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  298.TIF                                   
 1943  3 15   -1   -1   SO   -1   -1   BV   -1   -1   PI   9   -1  300.TIF                                   
 1943  3 22   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  301.TIF                                   
 1943  3 29   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  302.TIF                                   
 1943  4  5   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  303.TIF                                   
 1943  4 12   -1   -1   SW   -1   -1        -1   -1       -1   -1  304.TIF                                   
 1943  4 19   -1   -1   IP   -1   -1        -1   -1       -1   -1  305.TIF   TO AT LEAST 15Mi OUT            
 1943  4 26   -1   -1   WI   -1   -1        -1   -1       -1   -1  306.TIF   TO BUFFALO                      
 1943  4 26   -1   -1   HF   -1   -1        -1   -1       -1   -1  306.TIF   TO 20Mi OUT                     
 1943  4 26   -1   -1   LF   -1   -1        -1   -1       -1   -1  306.TIF   20Mi OUT TO LONG POINT          
 1943  5  3   -1   -1   DI   -1   -1        -1   -1       -1   -1  307.TIF   OUTSIDE OF HARBOR               

 1944  3 20   -1   -1   WI   -1   -1   BV   -1   -1       -1   -1  310.TIF   EXCEPT TO THE SOUTHWEST         
 1944  4  3   -1   -1   PI   -1   -1   BV   -1   -1       -1   -1  312.TIF                                   
 1944  4 10   -1   -1   LF   -1   -1        -1   -1       -1   -1  313.TIF   LAKE: TO THE EAST & WEST        

 1945  3 26   -1   -1   LF   -1   -1   BK   -1   -1       -1   -1  316.TIF   EASTWARD                        

 1947  3 24    8   10   IP   -1   -1   BV   -1   -1       -1   -1  329.TIF   LAKE                            
 1947  3 31   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  330.TIF   LAKE                            
 1947  4  7   -1   -1   HF   -1   -1   WI   -1   -1       -1   -1  331.TIF   OUTSIDE HARBOR                  
 1947  4 14   -1   -1   HF   -1   -1   RT   -1   -1   BV  -1   -1  332.TIF                                   

 1948  3 22   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  337.TIF   LAKE                            
 1948  4  5   -1   -1   LF   -1   -1   RT   -1   -1       -1   -1  339.TIF                                   

 1950  3  6    4    5   IP   -1   -1   BV   -1   -1       -1   -1  350.TIF                                   
 1950  3  6    4   -1        -1   -1        -1   -1       -1   -1  350.TIF   CANAL                           

 1951  3  5   -1   -1   BK   -1   -1   BV   -1   -1       -1   -1  360.TIF   LAKE                            

 1954  3  1   -1   -1   LF   -1   -1        -1   -1       -1   -1  381.TIF   OUTSIDE OF LIGHTHOUSE           
 1954  3 22   -1   -1   OW   -1   -1        -1   -1       -1   -1  384.TIF   BRIDGE 21                       

 1955  3 14   -1   -1   HF   -1   -1        -1   -1       -1   -1  393.TIF   BEYOND LIGHTHOUSE               

 1956  2 27   -1   -1   FD   -1   -1        -1   -1       -1   -1  398.TIF   LAKE                            
 1956  3 19   16   -1        -1   -1        -1   -1       -1   -1  402.TIF   ABOVE LOCK #8                   
 1956  3 19   -1   -1   FD   -1   -1        -1   -1       -1   -1  402.TIF   OUTSIDE BW                      

 1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1   BV  -1   -1  408.TIF   LAKE                            
 1957  3  4   -1   -1   LF   -1   -1   SW   -1   -1       -1   -1  410.TIF   BEYOND BW: TO 3Mi OUT           

 1958  3 17    5    6   IP   -1   -1   BV   -1   -1       -1   -1  419.TIF                                   
 1958  3 24    3   -1        -1   -1        -1   -1       -1   -1  420.TIF   LAKE                            
 1958  3 31   -1   -1   BK   -1   -1        -1   -1       -1   -1  421.TIF   TO THE EAST                     
 1958  3 31   -1   -1   LI   -1   -1        -1   -1       -1   -1  421.TIF   LAKE                            

 1959  3  9   -1   -1   IP   -1   -1   WI   -1   -1   BV  -1   -1  425.TIF   OUTSIDE BW                      
 1959  3 16   22   -1        -1   -1        -1   -1       -1   -1  426.TIF   ABOVE LOCK #8                   
 1959  3 30   14   -1   RT   -1   -1        -1   -1       -1   -1  429.TIF   ABOVE LOCK #8                   
 1959  3 30   -1   -1   SO   -1   -1   SL    4   -1   WI  -1   -1  429.TIF   OFF MORGANS POINT               
 1959  4  6   12   24   FD   -1   -1   RT   -1   -1   WI  -1   -1  430.TIF   TO POINT ABINO                  

 1960  3  7   -1   -1   SW   -1   -1        -1   -1       -1   -1  434.TIF   1 & 1/2Mi OUT                   
 1960  3 28   -1   -1   SO   -1   -1   WI   -1   -1   SW  -1   -1  437.TIF   LAKE                            

 1961  2 27   -1   -1   WI   -1   -1        -1   -1       -1   -1  440.TIF   BEYOND BW                       
 1961  3  6   -1   -1   FD   -1   -1        -1   -1       -1   -1  441.TIF   OUTSIDE BW                      
 1961  3  6   -1   -1   OW   -1   -1        -1   -1       -1   -1  441.TIF   CHANNEL                         
 1961  3 20   10   -1   FD   -1   -1   WI   -1   -1       -1   -1  443.TIF   TO DUNKIRK: EASTWARD            

 1962  3 19   -1   -1   OW   -1   -1        -1   -1       -1   -1  450.TIF   BRIDGE TO MAPLE LEAF MILL       
 1962  3 19    6   -1   SO   -1   -1        -1   -1       -1   -1  450.TIF   MAPLE LEAF MILL TO BW           
 1962  4  9   -1   -1   IP   -1   -1        -1   -1       -1   -1  453.TIF   TO DUNKIRK: EASTWARD            

 1963  2 25    6    8        -1   -1        -1   -1       -1   -1  456.TIF   IN CURRENT                      
 1963  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  458.TIF   CANAL                           
 1963  3 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  459.TIF   CANAL                           
 1963  3 18   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  459.TIF   OUTSIDE BW                      
 1963  4 15   -1   -1   FD   -1   -1        -1   -1       -1   -1  463.TIF   TO DUNKIRK: EASTWARD            

 1964  3  2    8   -1        -1   -1        -1   -1       -1   -1  466.TIF   ABOVE LOCKS                     
 1964  3  2   -1   -1   SO   -1   -1        -1   -1       -1   -1  466.TIF   LAKE: TO BEYOND 20Mi OUT        
 1964  3  9    8    9        -1   -1        -1   -1       -1   -1  467.TIF   ABOVE LOCKS                     
 1964  3  9   -1   -1   IP   -1   -1   BV   -1   -1   WI  -1   -1  467.TIF   LAKE                            
 1964  3 23   -1   -1   OW   -1   -1        -1   -1       -1   -1  469.TIF   CANAL                           
 1964  3 23   -1   -1   FS   -1   -1   IJ   -1   -1   WI  -1   -1  469.TIF   LAKE                            

 1965  3  8   -1   -1   WI   -1   -1   BV   -1   -1       -1   -1  475.TIF   BEYOND 1Mi OUT                  
 1965  3  8   -1   -1   OW   -1   -1        -1   -1       -1   -1  475.TIF   TO 3 TO 4Mi OUT TO THE SW       
 1965  3 15   -1   -1   WI   -1   -1        -1   -1       -1   -1  476.TIF   SE: 5 TO 7Mi OUT                
 1965  3 22   -1   -1   PI   -1   -1   SW   -1   -1       -1   -1  477.TIF   TO THE S, SE, & SW              
 1965  3 29   -1   -1   WI   -1   -1   BV   -1   -1       -1   -1  478.TIF   TO THE S, SE, & SW              

 1966  3  7   -1   -1   FS   -1   -1   WI   -1   -1       -1   -1  484.TIF   TO DUNKIRK                      
 1966  3 14   10   12   FD   -1   -1   FS   -1   -1   CL  -1   -1  485.TIF   TO DUNKIRK: EASTWARD            
 1966  4  4   18   -1   SO   -1   -1   PI   -1   -1   WI  -1   -1  488.TIF   E TO BUFFALO                    

 1970  4  7   -1   -1   IJ   -1   -1   SO   -1   -1       -1   -1  515.TIF   TO DUNKIRK                      
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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.