AFOS product CLIDPA
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CDUS43 KLOT 220632
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1232 AM CST SAT DEC 22 2012


................................... 

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         32    100 AM  51          33     -1       40       
  MINIMUM         18   1159 PM  -8          17      1       34       
  AVERAGE         25                        25      0       37      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T             0.34        0.06  -0.06      T      
  MONTH TO DATE    1.48                      1.26   0.22     1.87    
  SINCE DEC 1      1.48                      1.26   0.22     1.87    
  SINCE JAN 1     21.33                     36.45 -15.12     2.76    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       40                        40      0       28       
  MONTH TO DATE  554                       765   -211      647       
  SINCE DEC 1    554                       765   -211      647       
  SINCE JUL 1   1983                      2019    -36      822       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE DEC 1      0                         0      0        0       
  SINCE JAN 1   1093                       814    279        0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  22   RESULTANT WIND DIRECTION  NW (310)      
  HIGHEST WIND SPEED    36   HIGHEST WIND DIRECTION    NW (300)      
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED    21.2                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT SNOW                                                         
  FOG                                                                


..........................................................

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   33        53      2006                    
 MINIMUM TEMPERATURE (F)   17       -10      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 22 2012......SUNRISE   718 AM CST   SUNSET   426 PM CST   
DECEMBER 23 2012......SUNRISE   719 AM CST   SUNSET   426 PM CST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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