813 
CDUS43 KLOT 092146
CLIDPA


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL                                  
445 PM CDT THU AUG 9 2018


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

...THE DU PAGE  AIRPORT CLIMATE SUMMARY FOR AUGUST 9 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1997 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE          
                VALUE   (LST)  VALUE       VALUE  FROM               
                                                  NORMAL             
...............................................................
TEMPERATURE (F)                                                     
 TODAY                                                               
  MAXIMUM         89    253 PM  94    2005  83      6                
  MINIMUM         64    504 AM  49    1999  62      2                
  AVERAGE         77                        73      4               
                                                                     
PRECIPITATION (IN)                                                   
  TODAY            0.00          0.88 2008   0.15  -0.15             
  MONTH TO DATE    1.55                      1.47   0.08             
  SINCE JUN 1      8.00                      9.48  -1.48             
  SINCE JAN 1     20.44                     22.50  -2.06             
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  TODAY            0                         0      0                
  MONTH TO DATE    0                         0      0                
  SINCE JUN 1     10                        38    -28                
  SINCE JUL 1      0                         2     -2                
                                                                     
 COOLING                                                             
  TODAY           12                         8      4                
  MONTH TO DATE   91                        72     19                
  SINCE JUN 1    547                       528     19                
  SINCE JAN 1    661                       574     87                
...............................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     7.6                                         


                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED TODAY.                            
  FOG                                                                
  HAZE                                                               


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

                                                                     
THE DU PAGE  AIRPORT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   83        91      2016                    
 MINIMUM TEMPERATURE (F)   62        54      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  9 2018........SUNRISE   555 AM CDT   SUNSET   801 PM CDT   
AUGUST 10 2018........SUNRISE   556 AM CDT   SUNSET   800 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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