276  
CDUS43 KLOT 172238  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CST SUN JAN 17 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 17 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 32 12:43 AM 42 2006 31 1  
2015  
MINIMUM 27 8:40 AM -4 2018 15 12  
AVERAGE 30 23 7  
 
PRECIPITATION (IN)  
TODAY 0.03 0.34 2017 0.04 -0.01  
MONTH TO DATE 0.51 0.71 -0.20  
SINCE DEC 1 2.36 2.43 -0.07  
SINCE JAN 1 0.51 0.71 -0.20  
 
DEGREE DAYS  
HEATING  
TODAY 35 42 -7  
MONTH TO DATE 606 712 -106  
SINCE DEC 1 1679 1885 -206  
SINCE JUL 1 2850 3139 -289  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 0 0 0    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 42 2013  
MINIMUM TEMPERATURE (F) 15 -5 2016  
 
SUNRISE AND SUNSET  
JANUARY 17 2021.......SUNRISE 7:17 AM CST SUNSET 4:50 PM CST  
JANUARY 18 2021.......SUNRISE 7:17 AM CST SUNSET 4:51 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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