805 
CDUS43 KLOT 092237
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
437 PM CST MON DEC 9 2019


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2019...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE          
                VALUE   (LST)  VALUE       VALUE  FROM               
                                                  NORMAL             
...............................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         47    235 PM  52    2015  37     10                
                                      1999                          
  MINIMUM         44    120 AM  -3    2013  21     23                
  AVERAGE         46                        29     17               
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.02          0.94 2008   0.06  -0.04             
  MONTH TO DATE    0.07                      0.58  -0.51             
  SINCE DEC 1      0.07                      0.58  -0.51             
  SINCE JAN 1     41.93                     35.77   6.16             
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY           19                        36    -17                
  MONTH TO DATE  268                       308    -40                
  SINCE DEC 1    268                       308    -40                
  SINCE JUL 1   1644                      1562     82                
                                                                     
 COOLING                                                             
  TODAY            0                         0      0                
  MONTH TO DATE    0                         0      0                
  SINCE DEC 1      0                         0      0                
  SINCE JAN 1   1003                       814    189                
...............................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     9.8                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            
  LIGHT RAIN                                                         
  FOG                                                                


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   37        57      2015                    
 MINIMUM TEMPERATURE (F)   21       -10      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  9 2019......SUNRISE   709 AM CST   SUNSET   422 PM CST   
DECEMBER 10 2019......SUNRISE   710 AM CST   SUNSET   422 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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