AFOS product CLIDPA
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041 
CDUS43 KLOT 300653
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
153 AM CDT SUN SEP 30 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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         80    136 PM  84          70     10       MM       
  MINIMUM         41    413 AM  38          47     -6       MM       
  AVERAGE         61                        59      2       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.53        0.13  -0.13    MM       
  MONTH TO DATE    1.30                      3.16  -1.86    MM       
  SINCE SEP 1      1.30                      3.16  -1.86    MM       
  SINCE JAN 1     15.57                     28.79 -13.22    MM       
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                         7     -3       MM       
  MONTH TO DATE  141                        94     47       MM       
  SINCE SEP 1    141                        94     47       MM       
  SINCE JUL 1    147                       103     44       MM       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         1     -1       MM       
  MONTH TO DATE   77                        77      0       MM       
  SINCE SEP 1     77                        77      0       MM       
  SINCE JAN 1   1089                       801    288       MM       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   N (350)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (80)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (70)       
  AVERAGE WIND SPEED     4.4                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        84      2007                    
                                             2002                    
 MINIMUM TEMPERATURE (F)   47        35      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 30 2012.....SUNRISE   649 AM CDT   SUNSET   636 PM CDT   
OCTOBER  1 2012.......SUNRISE   650 AM CDT   SUNSET   634 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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