268  
CDUS43 KLOT 280644  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1244 AM CST TUE JAN 28 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 27 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 45 3:38 PM 58 2002 31 14 38  
MINIMUM 12 5:14 AM -14 2019 16 -4 34  
AVERAGE 29 23 6 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 2013 0.04 -0.04 0.00  
MONTH TO DATE 0.08 1.12 -1.04 2.07  
SINCE DEC 1 1.15 2.79 -1.64 4.33  
SINCE JAN 1 0.08 1.12 -1.04 2.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 42 -6 29  
MONTH TO DATE 1237 1125 112 1134  
SINCE DEC 1 2192 2259 -67 1986  
SINCE JUL 1 3106 3545 -439 3152  
 
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 30 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 15.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 3:00 AM  
LOWEST 23 3:00 PM  
AVERAGE 47  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 52 2002  
MINIMUM TEMPERATURE (F) 16 -14 2014  
 
SUNRISE AND SUNSET  
JANUARY 28 2025.......SUNRISE 7:09 AM CST SUNSET 5:03 PM CST  
JANUARY 29 2025.......SUNRISE 7:08 AM CST SUNSET 5:05 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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