AFOS product CLIDPA
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CDUS43 KLOT 180633
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
133 AM CDT SAT AUG 18 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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         76    308 PM  85          83     -7       MM       
  MINIMUM         54R  1158 PM  56          62     -8       MM       
  AVERAGE         65                        72     -7       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.84        0.16  -0.16    MM       
  MONTH TO DATE    1.07                      2.68  -1.61    MM       
  SINCE JUN 1      4.71                     10.69  -5.98    MM       
  SINCE JAN 1     13.08                     23.71 -10.63    MM       
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0       MM       
  MONTH TO DATE    4                         0      4       MM       
  SINCE JUN 1     31                        38     -7       MM       
  SINCE JUL 1      4                         2      2       MM       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         7     -7       MM       
  MONTH TO DATE  110                       133    -23       MM       
  SINCE JUN 1    780                       589    191       MM       
  SINCE JAN 1    912                       635    277       MM       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  NW (330)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (320)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     6.0                                         


                                                                     
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        86      2006                    
 MINIMUM TEMPERATURE (F)   62        51      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 18 2012........SUNRISE   605 AM CDT   SUNSET   748 PM CDT   
AUGUST 19 2012........SUNRISE   606 AM CDT   SUNSET   747 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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