AFOS product CLIDPA
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CDUS43 KLOT 170639
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
1239 AM CST MON DEC 17 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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         49   1221 AM  54          35     14       33       
  MINIMUM         37   1159 PM   5          19     18       21       
  AVERAGE         43                        27     16       27      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.17        0.05  -0.05     0.00    
  MONTH TO DATE    0.67                      0.97  -0.30     1.84    
  SINCE DEC 1      0.67                      0.97  -0.30     1.84    
  SINCE JAN 1     20.52                     36.16 -15.64     2.73    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                        38    -16       38       
  MONTH TO DATE  399                       569   -170      499       
  SINCE DEC 1    399                       569   -170      499       
  SINCE JUL 1   1828                      1823      5      674       
                                                                     
 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  10   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.4                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   34        54      2006                    
 MINIMUM TEMPERATURE (F)   18        -2      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 17 2012......SUNRISE   715 AM CST   SUNSET   423 PM CST   
DECEMBER 18 2012......SUNRISE   716 AM CST   SUNSET   424 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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