CDUS43 KLOT 220633
CLIDPA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SAT AUG 22 2026

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1997 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         MM        MM  94    2003  82     MM       80        
  MINIMUM         MM        MM  49    2004  61     MM       62        
  AVERAGE         MM                        72     MM       71       

PRECIPITATION (IN)                                                    
  YESTERDAY       MM             1.38 2014   0.12  MM        0.00     
  MONTH TO DATE    4.22                      2.63   1.59     2.68     
  SINCE JUN 1     16.26                      9.90   6.36    12.29     
  SINCE JAN 1     29.14                     22.16   6.98    20.35     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY       MM                         0     MM        0        
  MONTH TO DATE    0                         0      0        0        
  SINCE JUN 1     25                        37    -12       18        
  SINCE JUL 1      1                         4     -3        0        

 COOLING                                                              
  YESTERDAY       MM                         7     MM        6        
  MONTH TO DATE  161                       161      0      225        
  SINCE JUN 1    622                       608     14      857        
  SINCE JAN 1    681                       664     17      890        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    MM   HIGHEST WIND DIRECTION    MM            
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED    MM                                           


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  LIGHT RAIN                                                          


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    MM                                                        
 LOWEST     MM                                                        
 AVERAGE    MM                                                        

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THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   82        90      2007                      
 MINIMUM TEMPERATURE (F)   61        48      2004                      
                                             2024                     


SUNRISE AND SUNSET                                                    
AUGUST 22 2026........SUNRISE   6:08 AM CDT   SUNSET   7:43 PM CDT     
AUGUST 23 2026........SUNRISE   6:09 AM CDT   SUNSET   7:41 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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