CDUS43 KLOT 192137

CLIDPA



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

437 PM CDT TUE AUG 19 2025



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



...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2025...

VALID TODAY AS OF 0400 PM LOCAL TIME.



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1997 TO 2025





WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      

                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     

                                                  NORMAL           

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

TEMPERATURE (F)                                                          

 TODAY                                                               

  MAXIMUM         79   2:59 PM  89    2021  82     -3       78        

  MINIMUM         72   2:18 AM  51    1997  62     10       59        

  AVERAGE         76                        72      4       69     



PRECIPITATION (IN)                                                    

  TODAY            0.08          0.35 2009   0.12  -0.04     0.00     

  MONTH TO DATE    2.68                      2.40   0.28     1.56     

  SINCE JUN 1     12.29                      9.67   2.62    11.15     

  SINCE JAN 1     20.35                     21.93  -1.58    23.79     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            0                         0      0        0        

  MONTH TO DATE    0                         0      0        2        

  SINCE JUN 1     18                        37    -19       18        

  SINCE JUL 1      0                         4     -4        5        



 COOLING                                                              

  TODAY           11                         7      4        4        

  MONTH TO DATE  215                       147     68      135        

  SINCE JUN 1    847                       594    253      639        

  SINCE JAN 1    880                       650    230      693        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     N (340)       

  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (330)       

  AVERAGE WIND SPEED     7.9                                        





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  HEAVY RAIN                                                          

  RAIN                                                                

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    94           4:00 AM                                      

 LOWEST     71           2:00 PM                                      

 AVERAGE    83                                                        



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





THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   82        93      2023                      

 MINIMUM TEMPERATURE (F)   62        51      2002                      





SUNRISE AND SUNSET                                                    

AUGUST 19 2025........SUNRISE   6:06 AM CDT   SUNSET   7:47 PM CDT     

AUGUST 20 2025........SUNRISE   6:07 AM CDT   SUNSET   7:45 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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