119 
CDUS43 KLOT 031330
CLIDPA

CLIMATE REPORT 
NATIONAL WEATHER SERVICE CHICAGO IL
830 AM CDT FRI OCT 03 2025

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

...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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         85R  3:24 PM  85    2025  69     16       71        
  MINIMUM         56   6:00 AM  27    2003  47      9       43        
  AVERAGE         71                        58     13       57     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00          1.23 2019   0.11  -0.11     0.00     
  MONTH TO DATE    0.00                      0.22  -0.22     0.00     
  SINCE SEP 1      0.64                      3.22  -2.58     1.42     
  SINCE JAN 1     21.17                     26.59  -5.42    25.74     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        0                         8     -8        8        
  MONTH TO DATE    0                        16    -16       13        
  SINCE SEP 1     47                       116    -69       46        
  SINCE JUL 1     58                       127    -69       55        

 COOLING                                                              
  YESTERDAY        6                         1      5        0        
  MONTH TO DATE   11                         2      9        0        
  SINCE SEP 1    138                        90     48      110        
  SINCE JAN 1   1046                       814    232      908        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SE (140)       
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (150)       
  AVERAGE WIND SPEED     5.0                                        


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                         
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          11:00 PM                                      
 LOWEST     37           4:00 PM                                      
 AVERAGE    54                                                        

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


THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   69        88      2018                      
 MINIMUM TEMPERATURE (F)   47        31      2004                      


SUNRISE AND SUNSET                                                    
OCTOBER  3 2025.......SUNRISE   6:52 AM CDT   SUNSET   6:31 PM CDT     
OCTOBER  4 2025.......SUNRISE   6:53 AM CDT   SUNSET   6:29 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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