CDUS43 KLOT 202202

CLIDPA



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

502 PM CDT SUN SEP 20 2026



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



...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

VALID TODAY AS OF 0400 PM LOCAL TIME.



CLIMATE NORMAL PERIOD: 1991 TO 2020

CLIMATE RECORD PERIOD: 1997 TO 2026





WEATHER ITEM   OBSERVED RECORD YEAR NORMAL DEPARTURE LAST             

                VALUE   VALUE       VALUE  FROM      YEAR            

                                           NORMAL                  

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

TEMPERATURE (F)                                                          

 TODAY                                                               

  MAXIMUM         69     93    2018  74     -5       79               

                               2022                                  

  MINIMUM         64     40    2003  52     12       62               

                               2020                                  

  AVERAGE         67                 63      4       71            



PRECIPITATION (IN)                                                    

  TODAY            1.05R  0.77 2001   0.11   0.94     0.21            

  MONTH TO DATE    3.62               2.00   1.62     0.58            

  SINCE SEP 1      3.62               2.00   1.62     0.58            

  SINCE JAN 1     32.76              25.37   7.39    21.11            



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            0                  4     -4        0               

  MONTH TO DATE   10                 43    -33       47               

  SINCE SEP 1     10                 43    -33       47               

  SINCE JUL 1     11                 54    -43       58               



 COOLING                                                              

  TODAY            2                  2      0        6               

  MONTH TO DATE  151                 72     79       72               

  SINCE SEP 1    151                 72     79       72               

  SINCE JAN 1    832                796     36      980               

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





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  THUNDERSTORM                                                        

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST   100           2:00 AM                                      

 LOWEST     93           7:00 AM                                      

 AVERAGE    97                                                        



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





THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   74        92      2017                      

                                             2024                     

 MINIMUM TEMPERATURE (F)   52        40      2006                      





SUNRISE AND SUNSET                                                    

SEPTEMBER 20 2026.....SUNRISE   6:38 AM CDT   SUNSET   6:54 PM CDT     

SEPTEMBER 21 2026.....SUNRISE   6:39 AM CDT   SUNSET   6:52 PM CDT     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









$$