715  
CDUS43 KLOT 300638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1238 AM CST SUN NOV 30 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 29 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 31 11:59 PM 66 1998 41 -10 28  
MINIMUM 25 7:58 AM 10 2013 26 -1 17  
AVERAGE 28 34 -6 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.34 1.03 2006 0.08 0.26 T  
MONTH TO DATE 1.46 2.13 -0.67 3.07  
SINCE SEP 1 5.17 8.12 -2.95 5.51  
SINCE JAN 1 25.70 31.49 -5.79 29.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 31 6 42  
MONTH TO DATE 691 737 -46 561  
SINCE SEP 1 1029 1244 -215 859  
SINCE JUL 1 1040 1255 -215 868  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 176 99 77 129  
SINCE JAN 1 1084 823 261 927    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 PM  
LOWEST 68 2:00 AM  
AVERAGE 84  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 63 1998  
MINIMUM TEMPERATURE (F) 26 12 2024  
 
SUNRISE AND SUNSET  
NOVEMBER 30 2025......SUNRISE 7:00 AM CST SUNSET 4:23 PM CST  
DECEMBER 1 2025......SUNRISE 7:01 AM CST SUNSET 4:23 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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