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

 Site No. 136, Approximate Location: 45.69 N. Latitude, 84.36 W. Longitude
 Site Name  Poes Reef                      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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 1925  3 24   -1   -1   OW   -1   -1        -1   -1       -1   -1  172.TIF                                   

 1926  3  2   -1   -1   OW   -1   -1        -1   -1       -1   -1  176.TIF                                   
 1926  4 20   -1   -1   OW   -1   -1        -1   -1       -1   -1  183.TIF                                   

 1928  3 27   -1   -1   OW   -1   -1        -1   -1       -1   -1  193.TIF                                   

 1936  3 30   -1   -1   IP   -1   -1        -1   -1       -1   -1  247.TIF   TO ISLE AUX GALETS LIGHTHOUSE   

 1939  4 17   15   -1   SO   -1   -1        -1   -1       -1   -1  274.TIF                                   

 1943  3 15   -1   -1   FD   -1   -1   BV   -1   -1       -1   -1  300.TIF   TO OUT IN LAKE HURON            
 1943  3 22   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  301.TIF   WEST TO BEYOND CROSS VILLAGE    
 1943  3 29   -1   -1   SO   -1   -1   RT   -1   -1       -1   -1  302.TIF   WEST TO BEYOND CROSS VILLAGE    

 1944  3  6   -1   -1   IP   -1   -1   WI   -1   -1       -1   -1  308.TIF   HALFWAY TO FOURTEEN FOOT SHOAL  
 1944  3 20   -1   -1   DI   -1   -1        -1   -1       -1   -1  310.TIF   EASTWARD                        

 1948  3  1   -1   -1   SO   -1   -1        -1   -1       -1   -1  334.TIF   TO FOURTEEN FOOT SHOALS         
 1948  3  1   -1   -1   SW   -1   -1   DI   -1   -1       -1   -1  334.TIF   EASTWARD                        

 1950  3 27   -1   -1   SW   -1   -1        -1   -1       -1   -1  353.TIF                                   

 1952  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  367.TIF   FROM 1Mi EAST INTO L. MICHIGAN  
 1952  3  3   -1   -1   SO   -1   -1   BV   -1   -1   SC  -1   -1  368.TIF   WESTWARD INTO L. MICHIGAN       
 1952  3 10   -1   -1   SO   -1   -1        -1   -1       -1   -1  369.TIF   WESTWARD TO LAKE MICHIGAN       

 1953  2 24   -1   -1   SO   -1   -1   BV   -1   -1   WI  -1   -1  375.TIF   WESTWARD                        

 1955  3  7   -1   -1   IP   -1   -1   SW   -1   -1       -1   -1  391.TIF   INTO LAKE HURON                 
 1955  3  7   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  391.TIF   WESTWARD: ENTIRE STRAITS        
 1955  3 28   -1   -1   DI   -1   -1   BV   -1   -1       -1   -1  395.TIF   FROM 1Mi E INTO LAKE HURON      
 1955  3 28   -1   -1   DI   -1   -1   SO   -1   -1   WI  -1   -1  395.TIF   INTO LAKE MICHIGAN              

 1956  3 12   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  401.TIF   EASTWARD: FROM 3Mi WEST OF REE  

 1957  2 25   -1   -1   SO   -1   -1        -1   -1       -1   -1  407.TIF   N OF REEF TO 1/2Mi OF BRIDGE    
 1957  2 25   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  407.TIF   WEST OF BRIDGE                  
 1957  3  4   -1   -1   SO   -1   -1        -1   -1       -1   -1  409.TIF   WESTWARD: TO MACKINAC BRIDGE    

 1958  3 10   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  418.TIF   INTO LAKE HURON                 
 1958  3 10   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  418.TIF   WEST: INTO LAKE MICHIGAN        
 1958  3 24   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  420.TIF   WESTWARD: ENTIRE STRAITS        
 1958  3 24   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  420.TIF   NEAR REEF: E INTO LAKE HURON    

 1959  3  2   -1   -1   DI   -1   -1   BK   -1   -1   SW  -1   -1  424.TIF   TO BEYOND SPECTACLE REEF        
 1959  3  2   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  424.TIF   WESTWARD: INTO LAKE MICHIGAN    
 1959  3 16   -1   -1   OW   -1   -1   BV   -1   -1       -1   -1  426.TIF   INTO LAKE HURON                 
 1959  3 23   -1   -1   IP   -1   -1   BV   -1   -1       -1   -1  427.TIF   WESTWARD INTO LAKE MICHIGAN     
 1959  3 23   -1   -1   LI   -1   -1   RT   -1   -1       -1   -1  427.TIF   EASTWARD                        
 1959  3 30   -1   -1   OW   -1   -1        -1   -1       -1   -1  429.TIF   EASTWARD                        
 1959  3 30   26   -1   SO   -1   -1        -1   -1       -1   -1  429.TIF   WESTWARD: ENTIRE STRAITS        
 1959  4  6   20   -1   FS   -1   -1   CL   -1   -1   SI  -1   -1  430.TIF   TO BRIDGE                       
 1959  4  6    8   -1   DI   -1   -1   SW   -1   -1       -1   -1  430.TIF   TO SAGINAW BAY                  

 1960  2 29   16   -1   SO   -1   -1        -1   -1       -1   -1  522.TIF   WESTWARD: ENTIRE STRAITS        
 1960  2 29   16   -1   SO   -1   -1   DI   -1   -1   SW  -1   -1  522.TIF   TO SPECTACLE REEF               
 1960  3 21    1   19   SO   -1   -1   SC   -1   -1       -1   -1  436.TIF   WESTWARD: ENTIRE STRAITS        
 1960  3 28   24   -1   FD   -1   -1   FS   -1   -1       -1   -1  437.TIF   1Mi EAST: TO FOURTEEN FT. SHOA  

 1961  2 27   -1   -1   SW   -1   -1        -1   -1       -1   -1  440.TIF                                   

 1962  3  5   15   -1   FD   -1   -1   FS   -1   -1   CL  -1   -1  448.TIF   TO ROGERS CITY                  
 1962  3 12   -1   -1   WI  180   -1        -1   -1       -1   -1  449.TIF   TO BRIDGE                       
 1962  3 12   24   36   FD   -1   -1        -1   -1       -1   -1  449.TIF   TO WHITE SHOAL                  
 1962  3 19   -1   -1   WI   -1   -1        -1   -1       -1   -1  450.TIF                                   
 1962  4  2   20   -1   IJ   -1   -1   FS   -1   -1   WI  -1   -1  452.TIF   TO SPECTACLE REEF               

 1965  3  1   -1   -1   DI   -1   -1   BV   -1   -1       -1   -1  474.TIF   EAST INTO LAKE HURON            
 1965  3  1   -1   -1   SO   -1   -1   WI   -1   -1       -1   -1  474.TIF   W INTO L MICHIGAN               
 1965  3 15   -1   -1   OW   -1   -1        -1   -1       -1   -1  476.TIF   EASTWARD                        
 1965  3 29   -1   -1   LF   -1   -1   DI   -1   -1       -1   -1  478.TIF   EAST OF LIGHT                   
 1965  3 29   -1   -1   SO   -1   -1   BV   -1   -1       -1   -1  478.TIF   WESTWARD: ENTIRE STRAITS        
 1965  4  5   -1   -1   OW   -1   -1        -1   -1       -1   -1  479.TIF                                   

 1966  2 28   -1   -1   OW   -1   -1        -1   -1       -1   -1  483.TIF   EASTWARD INTO L. HURON          
 1966  2 28   -1   -1   SO   -1   -1        -1   -1       -1   -1  483.TIF   WESTWARD INTO L. MICHIGAN       

 1967  3 13   -1   -1   DI   -1   -1        -1   -1       -1   -1  491.TIF   EASTWARD                        
 1967  3 27   -1   -1   SO   -1   -1        -1   -1       -1   -1  493.TIF   WESTWARD INTO LAKE MICHIGAN     

 1970  3 10   15   20   FS   -1   -1        -1   -1       -1   -1  511.TIF   TO LANSING SHOAL                
 1970  3 17   16   23   FS   -1   -1   WI   -1   -1       -1   -1  512.TIF   TO LANSING SHOAL                
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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.