AFOS product CLIDPA
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CDUS43 KLOT 280637
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
137 AM CDT SUN OCT 28 2012


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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         47    253 PM  71          59    -12       MM       
  MINIMUM         28    511 AM  23          39    -11       MM       
  AVERAGE         38                        49    -11       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          0.55        0.10  -0.10    MM       
  MONTH TO DATE    3.37                      2.85   0.52    MM       
  SINCE SEP 1      4.67                      6.14  -1.47    MM       
  SINCE JAN 1     18.94                     31.77 -12.83    MM       
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       27                        16     11       MM       
  MONTH TO DATE  377                       332     45       MM       
  SINCE SEP 1    528                       434     94       MM       
  SINCE JUL 1    534                       443     91       MM       
                                                                     
 COOLING                                                             
  YESTERDAY        0                         0      0       MM       
  MONTH TO DATE    4                        11     -7       MM       
  SINCE SEP 1     81                        90     -9       MM       
  SINCE JAN 1   1093                       814    279       MM       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   N (10)       
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     8.2                                         


                                                                     
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)   58        78      1999                    
 MINIMUM TEMPERATURE (F)   39        21      1997                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 28 2012.......SUNRISE   721 AM CDT   SUNSET   552 PM CDT   
OCTOBER 29 2012.......SUNRISE   722 AM CDT   SUNSET   550 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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