AFOS product CLIDPA
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574 
CDUS43 KLOT 190634
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
134 AM CDT SUN AUG 19 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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         77    421 PM  86          82     -5       MM       
  MINIMUM         48R   531 AM  51          62    -14       MM       
  AVERAGE         63                        72     -9       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.71        0.15  -0.15    MM       
  MONTH TO DATE    1.07                      2.83  -1.76    MM       
  SINCE JUN 1      4.71                     10.84  -6.13    MM       
  SINCE JAN 1     13.08                     23.86 -10.78    MM       
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                         0      2       MM       
  MONTH TO DATE    6                         0      6       MM       
  SINCE JUN 1     33                        38     -5       MM       
  SINCE JUL 1      6                         2      4       MM       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         7     -7       MM       
  MONTH TO DATE  110                       140    -30       MM       
  SINCE JUN 1    780                       596    184       MM       
  SINCE JAN 1    912                       642    270       MM       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (130)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     2.7                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   82        87      2011                    
                                             2010                    
 MINIMUM TEMPERATURE (F)   62        51      1997                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 19 2012........SUNRISE   606 AM CDT   SUNSET   747 PM CDT   
AUGUST 20 2012........SUNRISE   607 AM CDT   SUNSET   745 PM CDT   

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




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