CDUS43 KLOT 202033

CLIDPA



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

333 PM CDT SUN SEP 20 2026



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



...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2026...



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)                                                          

 YESTERDAY                                                           

  MAXIMUM         70     90    2021  75     -5       87               

  MINIMUM         63     37    2020  52     11       62               

  AVERAGE         67                 64      3       75            



PRECIPITATION (IN)                                                    

  YESTERDAY        0.84   2.60 2001   0.10   0.74     0.03            

  MONTH TO DATE    2.57               1.89   0.68     0.37            

  SINCE SEP 1      2.57               1.89   0.68     0.37            

  SINCE JAN 1     31.71              25.26   6.45    20.90            



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY        0                  4     -4        0               

  MONTH TO DATE   10                 39    -29       47               

  SINCE SEP 1     10                 39    -29       47               

  SINCE JUL 1     11                 50    -39       58               



 COOLING                                                              

  YESTERDAY        2                  2      0       10               

  MONTH TO DATE  149                 70     79       66               

  SINCE SEP 1    149                 70     79       66               

  SINCE JAN 1    830                794     36      974               

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





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  THUNDERSTORM                                                        

  HEAVY RAIN                                                          

  RAIN                                                                

  LIGHT RAIN                                                          

  FOG                                                                 





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    MM                                                        

 LOWEST     MM                                                        

 AVERAGE    MM                                                        



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





THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   74        93      2018                      

                                             2022                     

 MINIMUM TEMPERATURE (F)   52        40      2003                      

                                             2020                     





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.









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