901  
CDUS43 KLOT 020633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SUN FEB 02 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 1 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 34 1:31 PM 54 2024 31 3 54  
MINIMUM 26 3:34 AM -2 2013 16 10 32  
AVERAGE 30 24 6 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.73 2015 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE DEC 1 2.41 2.98 -0.57 4.33  
SINCE JAN 1 1.34 1.31 0.03 2.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 41 -6 22  
MONTH TO DATE 35 41 -6 22  
SINCE DEC 1 2342 2467 -125 2125  
SINCE JUL 1 3256 3753 -497 3291  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1:00 AM  
LOWEST 58 2:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 49 2020  
MINIMUM TEMPERATURE (F) 16 -7 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 2 2025......SUNRISE 7:04 AM CST SUNSET 5:10 PM CST  
FEBRUARY 3 2025......SUNRISE 7:03 AM CST SUNSET 5:11 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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