001  
CDUS43 KLOT 032136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT SAT OCT 03 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 89 2025 69 0 89  
MINIMUM 42 31 2004 47 -5 59  
AVERAGE 56 58 -2 74  
 
PRECIPITATION (IN)  
TODAY 0.00 1.17 2000 0.10 -0.10 0.00  
MONTH TO DATE 1.39 0.32 1.07 0.00  
SINCE SEP 1 6.13 3.32 2.81 0.64  
SINCE JAN 1 35.27 26.69 8.58 21.17  
 
DEGREE DAYS  
HEATING  
TODAY 9 8 1 0  
MONTH TO DATE 17 24 -7 0  
SINCE SEP 1 70 124 -54 47  
SINCE JUL 1 71 135 -64 58  
 
COOLING  
TODAY 0 1 -1 9  
MONTH TO DATE 0 3 -3 20  
SINCE SEP 1 149 91 58 147  
SINCE JAN 1 830 815 15 1055    
........................................................
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 47 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2025  
MINIMUM TEMPERATURE (F) 46 31 2004  
 
SUNRISE AND SUNSET  
OCTOBER 3 2026.......SUNRISE 6:52 AM CDT SUNSET 6:31 PM CDT  
OCTOBER 4 2026.......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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