061  
CDUS43 KLOT 060641  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1241 AM CST SAT DEC 06 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 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 11:59 PM 68 2001 39 -12 29  
MINIMUM -2R 12:12 AM 0 2005 24 -26 11  
AVERAGE 13 32 -19 20  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.18 2021 0.06 -0.06 0.00  
MONTH TO DATE 0.07 0.32 -0.25 T  
SINCE DEC 1 0.07 0.32 -0.25 T  
SINCE JAN 1 25.77 31.88 -6.11 29.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 33 19 45  
MONTH TO DATE 244 163 81 216  
SINCE DEC 1 244 163 81 216  
SINCE JUL 1 1327 1449 -122 1130  
 
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 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 60 1998  
MINIMUM TEMPERATURE (F) 24 -1 2007  
 
SUNRISE AND SUNSET  
DECEMBER 6 2025......SUNRISE 7:06 AM CST SUNSET 4:22 PM CST  
DECEMBER 7 2025......SUNRISE 7:07 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.  
 
 
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