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

 Site No. 166, Approximate Location: 44.75 N. Latitude, 79.81 W. Longitude
 Site Name  Port McNicoll                  on Lake Huron        
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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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 1913  4  8   -1   -1   FD   -1   -1        -1   -1       -1   -1  095.TIF   OFF METHODIST POINT             
 1913  4 16   -1   -1   OW   -1   -1        -1   -1       -1   -1  096.TIF                                   

 1914  3  3   -1   -1   FD   -1   -1        -1   -1       -1   -1  098.TIF   LAKE                            
 1914  3 10   -1   -1   FD   -1   -1        -1   -1       -1   -1  099.TIF   LAKE                            
 1914  3 31   -1   -1   FD   -1   -1        -1   -1       -1   -1  102.TIF   LAKE                            
 1914  4  7   -1   -1   FD   -1   -1        -1   -1       -1   -1  103.TIF                                   

 1915  4 13   -1   -1   FD   -1   -1        -1   -1       -1   -1  111.TIF   LAKE                            

 1916  4 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  119.TIF   METHODIST ISLAND                
 1916  4 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  119.TIF   FLAT POINT                      

 1918  4 23   -1   -1   BK   -1   -1        -1   -1       -1   -1  135.TIF                                   

 1919  3 18   -1   -1   OW   -1   -1        -1   -1       -1   -1  138.TIF   CHANNEL TO MIDLAND              

 1935  3 19   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  239.TIF                                   
 1935  3 26   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  240.TIF                                   
 1935  4  2   -1   -1   RT   -1   -1        -1   -1       -1   -1  241.TIF                                   
 1935  4 16   -1   -1   OW   -1   -1        -1   -1       -1   -1  243.TIF                                   

 1936  3 30   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  247.TIF                                   
 1936  4  6   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  248.TIF                                   
 1936  4 13   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  249.TIF                                   
 1936  4 20   -1   -1   IP   -1   -1   BV   -1   -1   RT  -1   -1  250.TIF                                   
 1936  4 27   -1   -1   OW   -1   -1        -1   -1       -1   -1  251.TIF   TO SOME DISTANCE OUT            

 1937  3 22   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  256.TIF                                   
 1937  3 29   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  257.TIF                                   
 1937  4  5   -1   -1   SO   -1   -1        -1   -1       -1   -1  258.TIF                                   
 1937  4 12   -1   -1   SW   -1   -1        -1   -1       -1   -1  259.TIF                                   

 1938  3 14   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  262.TIF                                   
 1938  3 28   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  264.TIF                                   
 1938  4  4   -1   -1   OW   -1   -1        -1   -1       -1   -1  265.TIF                                   
 1938  4 11   -1   -1   IP   -1   -1        -1   -1       -1   -1  266.TIF                                   

 1939  3 20   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  270.TIF                                   
 1939  4 10   -1   -1   SO   -1   -1        -1   -1       -1   -1  273.TIF                                   
 1939  4 24   -1   -1   OW   -1   -1        -1   -1       -1   -1  275.TIF   NEAR SHORE                      
 1939  4 24   -1   -1   SO   -1   -1        -1   -1       -1   -1  275.TIF   SOME DISTANCE FROM SHORE        
 1939  5  1   -1   -1   OW   -1   -1        -1   -1       -1   -1  276.TIF                                   

 1940  4 15   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  283.TIF                                   
 1940  4 22   -1   -1   BK   -1   -1        -1   -1       -1   -1  284.TIF   (CUT)                           

 1941  3  3   18   -1   IP   -1   -1   BV   -1   -1       -1   -1  285.TIF                                   
 1941  3 10   18   24        -1   -1        -1   -1       -1   -1  286.TIF                                   

 1942  3 16   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  293.TIF                                   
 1942  3 23   -1   -1   RT   -1   -1   BV   -1   -1       -1   -1  294.TIF                                   
 1942  3 30   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  295.TIF                                   

 1943  3  1   20   -1   SO   -1   -1   BV   -1   -1       -1   -1  298.TIF                                   
 1943  3 15   24   -1   SO   -1   -1   BV   -1   -1       -1   -1  300.TIF                                   
 1943  4  5   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  303.TIF                                   
 1943  4 12   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  304.TIF                                   
 1943  4 19   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  305.TIF                                   
 1943  4 26   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  306.TIF                                   
 1943  5  3   -1   -1   OW   -1   -1        -1   -1       -1   -1  307.TIF                                   

 1944  3 13   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  309.TIF                                   
 1944  3 20   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  310.TIF                                   
 1944  3 27   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  311.TIF                                   
 1944  4  3   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  312.TIF                                   
 1944  4 10   15   -1   SO   -1   -1   BV   -1   -1   RT  -1   -1  313.TIF                                   
 1944  4 17   12   -1   RT   -1   -1        -1   -1       -1   -1  314.TIF                                   

 1945  3 19   15   -1   RT   -1   -1        -1   -1       -1   -1  315.TIF                                   
 1945  3 26   15   -1   SO   -1   -1   BV   -1   -1       -1   -1  316.TIF                                   

 1946  3 11   18   -1        -1   -1        -1   -1       -1   -1  319.TIF                                   

 1947  4 14   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  332.TIF                                   
 1947  4 21   -1   -1   LI   -1   -1        -1   -1       -1   -1  333.TIF   OUTSIDE HARBOR                  

 1948  4  5   12   -1   SO   -1   -1   RT   -1   -1       -1   -1  339.TIF                                   

 1950  3  6   12   -1        -1   -1        -1   -1       -1   -1  350.TIF                                   
 1950  4 10   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  355.TIF   BAY                             

 1952  4  7   -1   -1   IP   -1   -1        -1   -1       -1   -1  373.TIF                                   

 1953  2 24   12   -1   SO   -1   -1   BV   -1   -1       -1   -1  375.TIF                                   
 1953  3 30   -1   -1   OW   -1   -1        -1   -1       -1   -1  380.TIF                                   

 1954  3  1   18   -1   SO   -1   -1   BV   -1   -1       -1   -1  381.TIF                                   
 1954  3  8   16   -1   SO   -1   -1   BV   -1   -1       -1   -1  382.TIF                                   
 1954  3 15   -1   -1   BK   -1   -1        -1   -1       -1   -1  383.TIF   CHANNEL TO MIDLAND (CUT)        

 1955  3  7   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  391.TIF                                   
 1955  4 11   18   20   RT   -1   -1   CL   -1   -1   SW  -1   -1  396.TIF   OUTSIDE OF HARBOR               

 1956  2 27   23   -1        -1   -1        -1   -1       -1   -1  397.TIF                                   
 1956  3 12   21   -1   IP   -1   -1   BV   -1   -1       -1   -1  401.TIF                                   
 1956  4 16   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  406.TIF   BAY                             

 1957  4  1   -1   -1   BK   -1   -1   RT   -1   -1       -1   -1  414.TIF   TO GIANTS TOMB                  

 1959  3  2   24   -1   SO   -1   -1   BV   -1   -1   SC   1   -1  424.TIF                                   
 1959  3  9   24   -1   SO   -1   -1   BV   -1   -1   SC   1   -1  425.TIF                                   

 1960  2 29   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  522.TIF                                   

 1961  4  3   -1   -1   BK   -1   -1        -1   -1       -1   -1  445.TIF   CHANNEL: TO PAST MIDLAND (CUT)  
 1961  4 10   -1   -1   RF   -1   -1        -1   -1       -1   -1  446.TIF   TRACK TO MIDLAND                

 1962  3 12   24   -1   SO   -1   -1   BV   -1   -1       -1   -1  449.TIF                                   
 1962  3 19   24   -1        -1   -1        -1   -1       -1   -1  450.TIF                                   
 1962  3 26   -1   -1   BK   -1   -1        -1   -1       -1   -1  451.TIF   TO MIDLAND (CUT)                
 1962  4 16   -1   -1   BK   -1   -1   CL   -1   -1       -1   -1  454.TIF   BAY                             
 1962  4 23   -1   -1   HF   -1   -1   BK   -1   -1       -1   -1  455.TIF   (CUT)                           

 1963  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  456.TIF   CHANNEL TO MIDLAND              
 1963  3 18   -1   -1   BK   -1   -1        -1   -1       -1   -1  459.TIF   CHANNEL TO MIDLAND (CUT)        
 1963  4  1   -1   -1   BK   -1   -1        -1   -1       -1   -1  461.TIF   ALL PORTS TO OWEN SOUND (CUT)   

 1964  3  9   12   -1   CL   -1   -1   SC   -1   -1       -1   -1  467.TIF                                   

 1965  3  1   20   -1   CL   -1   -1   SC    9   -1   BV  -1   -1  474.TIF                                   
 1965  3 22   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  477.TIF                                   
 1965  4  5   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  479.TIF                                   
 1965  4 12   24   -1   SO   -1   -1   BV   -1   -1       -1   -1  480.TIF                                   
 1965  4 19   17   -1   SO   -1   -1   BV   -1   -1       -1   -1  481.TIF                                   

 1966  2 28   14   -1   SO   -1   -1   CL   -1   -1       -1   -1  483.TIF                                   
 1966  3 14   14   -1   SO   -1   -1        -1   -1       -1   -1  485.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.