320  
CDUS43 KLOT 230636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1236 AM CST THU JAN 23 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 22 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 25 8:36 PM 54 2018 30 -5 33  
MINIMUM -1 1:30 AM -3 2013 15 -16 21  
2014  
AVERAGE 12 23 -11 27  
 
PRECIPITATION (IN)  
YESTERDAY T 0.83 2018 0.04 -0.04 0.01  
MONTH TO DATE 0.07 0.92 -0.85 1.08  
SINCE DEC 1 1.14 2.59 -1.45 3.34  
SINCE JAN 1 0.07 0.92 -0.85 1.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 42 11 38  
MONTH TO DATE 1020 915 105 989  
SINCE DEC 1 1975 2049 -74 1841  
SINCE JUL 1 2889 3335 -446 3007  
 
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 24 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 10:00 PM  
LOWEST 50 8:00 AM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 46 2002  
MINIMUM TEMPERATURE (F) 15 -7 2014  
 
SUNRISE AND SUNSET  
JANUARY 23 2025.......SUNRISE 7:13 AM CST SUNSET 4:57 PM CST  
JANUARY 24 2025.......SUNRISE 7:12 AM CST SUNSET 4:58 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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