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

 Site No. 477, Approximate Location: 43.26 N. Latitude, 77.62 W. Longitude
 Site Name  Charlotte                      on Lake Ontario      
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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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 1900  2 27   -1   -1   DI   -1   -1        -1   -1       -1   -1  003.TIF                                   
 1900  3  6   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  004.TIF   LAKE                            
 1900  3 13   -1   -1   IP   -1   -1   DC   -1   -1       -1   -1  005.TIF   LAKE                            
 1900  3 20   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  006.TIF   LAKE                            
 1900  3 27   -1   -1   LF   -1   -1        -1   -1       -1   -1  007.TIF   ALONG SHORE                     
 1900  3 27   -1   -1   OW   -1   -1        -1   -1       -1   -1  007.TIF   LAKE                            
 1900  4 10   -1   -1   OW   -1   -1        -1   -1       -1   -1  009.TIF   LAKE                            

 1901  3  5   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  011.TIF   LAKE                            
 1901  3 10   -1   -1   OW   -1   -1        -1   -1       -1   -1  012.TIF   LAKE                            
 1901  3 19   -1   -1   OW   -1   -1        -1   -1       -1   -1  013.TIF                                   

 1902  3  4   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  019.TIF   LAKE                            
 1902  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  020.TIF   LAKE                            
 1902  3 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  021.TIF   LAKE                            
 1902  4  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  023.TIF   TO CAPE VINCENT                 

 1903  3  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  024.TIF   LAKE                            

 1904  3 15   -1   -1   NC   -1   -1        -1   -1       -1   -1  031.TIF   LAKE                            
 1904  3 22   -1   -1   FD   -1   -1        -1   -1       -1   -1  032.TIF   LAKE                            
 1904  3 22   -1   -1   HF   -1   -1   SW   -1   -1       -1   -1  032.TIF   LAKE                            
 1904  3 29   -1   -1   FD   -1   -1        -1   -1       -1   -1  033.TIF   LAKE: SEVERAL MILES OUT         

 1905  3  7   -1   -1   FD   -1   -1        -1   -1       -1   -1  039.TIF   LAKE                            
 1905  3  7   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  039.TIF   LAKE                            
 1905  3 14   -1   -1   OW   -1   -1        -1   -1       -1   -1  047.TIF   LAKE                            

 1906  3  6   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  045.TIF   LAKE                            
 1906  3 20   -1   -1   OW   -1   -1        -1   -1       -1   -1  047.TIF   LAKE                            

 1907  3 12   -1   -1   FD   -1   -1        -1   -1       -1   -1  052.TIF   LAKE                            
 1907  3 12   -1   -1   LF   -1   -1        -1   -1       -1   -1  052.TIF   LAKE                            

 1908  3 17   -1   -1   OW   -1   -1        -1   -1       -1   -1  059.TIF   LAKE                            
 1908  3 24   -1   -1   OW   -1   -1        -1   -1       -1   -1  060.TIF   LAKE                            
 1908  3 31   -1   -1   OW   -1   -1        -1   -1       -1   -1  524.TIF   LAKE                            

 1909  3  9   -1   -1   OW   -1   -1        -1   -1       -1   -1  065.TIF   LAKE                            
 1909  3 23   -1   -1   OW   -1   -1        -1   -1       -1   -1  067.TIF   LAKE                            
 1909  3 30   -1   -1   OW   -1   -1        -1   -1       -1   -1  068.TIF   LAKE                            

 1910  3  8   -1   -1   OW   -1   -1        -1   -1       -1   -1  072.TIF   LAKE                            
 1910  3 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  073.TIF                                   
 1910  3 22   -1   -1   OW   -1   -1        -1   -1       -1   -1  074.TIF   LAKE                            

 1911  3 14   -1   -1   LI   -1   -1        -1   -1       -1   -1  078.TIF   LAKE                            
 1911  3 21   -1   -1   OW   -1   -1        -1   -1       -1   -1  079.TIF   LAKE                            
 1911  4  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  081.TIF   LAKE                            

 1912  3 12   -1   -1   FD   -1   -1        -1   -1       -1   -1  083.TIF   LAKE                            
 1912  3 19   -1   -1   FD   -1   -1        -1   -1       -1   -1  084.TIF                                   
 1912  3 26   -1   -1   FD   -1   -1        -1   -1       -1   -1  085.TIF   ABOUT 5Mi TO THE NORTHEAST      

 1913  3  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  090.TIF   LAKE                            
 1913  3 11   -1   -1   OW   -1   -1        -1   -1       -1   -1  091.TIF   LAKE                            
 1913  3 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  092.TIF   LAKE                            

 1914  3  3   -1   -1   LI   -1   -1        -1   -1       -1   -1  098.TIF   LAKE                            
 1914  3 10   -1   -1   BK   -1   -1        -1   -1       -1   -1  099.TIF                                   
 1914  3 17   -1   -1   OW   -1   -1        -1   -1       -1   -1  100.TIF   LAKE                            
 1914  3 24   -1   -1   OW   -1   -1        -1   -1       -1   -1  101.TIF                                   

 1915  3  9   -1   -1   FD   -1   -1        -1   -1       -1   -1  106.TIF   TO 1Mi OUT                      
 1915  3 16   -1   -1   FD   -1   -1        -1   -1       -1   -1  107.TIF   TO 1Mi OUT                      
 1915  3 16   -1   -1   OW   -1   -1        -1   -1       -1   -1  107.TIF   BEYOND 1Mi OUT                  
 1915  3 23   -1   -1   FD   -1   -1        -1   -1       -1   -1  108.TIF   TO 1 & 1/2Mi OUT                
 1915  3 23   -1   -1   OW   -1   -1        -1   -1       -1   -1  108.TIF   BEYOND 1 & 1/2Mi OUT            

 1916  3  7   -1   -1   FD   -1   -1        -1   -1       -1   -1  113.TIF   LAKE                            
 1916  3 14   -1   -1   OW   -1   -1        -1   -1       -1   -1  114.TIF                                   
 1916  3 21   -1   -1   OW   -1   -1        -1   -1       -1   -1  115.TIF                                   
 1916  3 28   -1   -1   FD   -1   -1        -1   -1       -1   -1  116.TIF   LAKE                            
 1916  4  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  117.TIF                                   

 1918  3  5   -1   -1   RI   -1   -1        -1   -1       -1   -1  128.TIF   RIVER                           
 1918  3  5   -1   -1   FD   -1   -1   LI   -1   -1       -1   -1  128.TIF   LAKE                            

 1920  3  9   -1   -1   FD   -1   -1   DI   -1   -1       -1   -1  140.TIF   TO LYONS POINT                  
 1920  3 16   -1   -1   OW   -1   -1        -1   -1       -1   -1  141.TIF   LAKE                            
 1920  3 23   -1   -1   DI   -1   -1        -1   -1       -1   -1  142.TIF   4Mi OUT                         

 1923  3 13   -1   -1   OW   -1   -1        -1   -1       -1   -1  156.TIF   LAKE                            

 1926  3 16   -1   -1   SO   -1   -1        -1   -1       -1   -1  178.TIF   HARBORS: EASTWARD               

 1934  3 27   -1   -1   OW   -1   -1        -1   -1       -1   -1  231.TIF   LAKE                            
 1934  4  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  232.TIF                                   
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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.