953  
CDUS43 KLOT 190632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1232 AM CST TUE JAN 19 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 27 4:45 PM 42 2013 31 -4 34  
MINIMUM 18 11:59 PM -5 2016 15 3 4  
AVERAGE 23 23 0 19  
 
PRECIPITATION (IN)  
YESTERDAY T 0.33 0.03 -0.03 0.33  
MONTH TO DATE 0.51 0.74 -0.23 1.68  
SINCE DEC 1 2.36 2.46 -0.10 3.06  
SINCE JAN 1 0.51 0.74 -0.23 1.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 42 0 46  
MONTH TO DATE 650 754 -104 632  
SINCE DEC 1 1723 1927 -204 1640  
SINCE JUL 1 2894 3181 -287 3016  
 
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)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 55 2006  
MINIMUM TEMPERATURE (F) 15 -5 2008  
 
SUNRISE AND SUNSET  
JANUARY 19 2021.......SUNRISE 7:16 AM CST SUNSET 4:52 PM CST  
JANUARY 20 2021.......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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