779  
CDUS43 KLOT 190718  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
118 AM CST MON JAN 19 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 18 11:59 PM 42 2013 30 -12 37  
2022  
MINIMUM 5 8:14 AM -5 2016 16 -11 13  
AVERAGE 12 23 -11 25  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 2020 0.04 -0.04 0.00  
MONTH TO DATE 1.16 0.76 0.40 0.07  
SINCE DEC 1 2.57 2.43 0.14 1.14  
SINCE JAN 1 1.16 0.76 0.40 0.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 42 11 40  
MONTH TO DATE 642 747 -105 779  
SINCE DEC 1 1879 1881 -2 1735  
SINCE JUL 1 2962 3167 -205 2649  
 
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 21 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 10:00 PM  
LOWEST 61 3:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 55 2006  
MINIMUM TEMPERATURE (F) 16 -5 2008  
 
SUNRISE AND SUNSET  
JANUARY 19 2026.......SUNRISE 7:16 AM CST SUNSET 4:52 PM CST  
JANUARY 20 2026.......SUNRISE 7:15 AM CST SUNSET 4:53 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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