CDUS43 KLOT 120635

CLIDPA



CLIMATE REPORT 

NATIONAL WEATHER SERVICE CHICAGO IL

1235 AM CST FRI DEC 12 2025



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



...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2025...



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)                                                          

 YESTERDAY                                                           

  MAXIMUM         27  12:02 AM  57    2021  37    -10       32        

  MINIMUM         23  11:59 PM  -5    2013  23      0       10        

  AVERAGE         25                        30     -5       21     



PRECIPITATION (IN)                                                    

  YESTERDAY        0.00          0.70 2020   0.06  -0.06      T       

  MONTH TO DATE    0.39                      0.68  -0.29      T       

  SINCE DEC 1      0.39                      0.68  -0.29      T       

  SINCE JAN 1     26.09                     32.24  -6.15    29.83     



DEGREE DAYS                                                           

 HEATING                                                              

  YESTERDAY       40                        35      5       44        

  MONTH TO DATE  480                       370    110      402        

  SINCE DEC 1    480                       370    110      402        

  SINCE JUL 1   1563                      1656    -93     1316        



 COOLING                                                              

  YESTERDAY        0                         0      0        0        

  MONTH TO DATE    0                         0      0        0        

  SINCE DEC 1      0                         0      0        0        

  SINCE JAN 1   1084                       823    261      927        

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





WIND (MPH)                                                            

  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)       

  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (300)       

  AVERAGE WIND SPEED     4.9                                        





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         

  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    81          10:00 PM                                      

 LOWEST     65          11:00 AM                                      

 AVERAGE    73                                                        



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





THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   36        58      2015                      

 MINIMUM TEMPERATURE (F)   22       -10      2013                      





SUNRISE AND SUNSET                                                    

DECEMBER 12 2025......SUNRISE   7:12 AM CST   SUNSET   4:22 PM CST     

DECEMBER 13 2025......SUNRISE   7:12 AM CST   SUNSET   4:22 PM CST     





-  INDICATES NEGATIVE NUMBERS.

R  INDICATES RECORD WAS SET OR TIED.

MM INDICATES DATA IS MISSING.

T  INDICATES TRACE AMOUNT.









$$