097  
CDUS43 KLOT 140639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST THU JAN 14 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 13 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 38 2:57 PM 47 2006 31 7 33  
MINIMUM 26 5:03 AM -6 2009 15 11 30  
AVERAGE 32 23 9 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 0.03 -0.03 T  
MONTH TO DATE 0.27 0.56 -0.29 1.23  
SINCE DEC 1 2.12 2.28 -0.16 2.61  
SINCE JAN 1 0.27 0.56 -0.29 1.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 42 -9 33  
MONTH TO DATE 473 544 -71 426  
SINCE DEC 1 1546 1717 -171 1434  
SINCE JUL 1 2717 2971 -254 2810  
 
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 8 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 40 2016  
MINIMUM TEMPERATURE (F) 15 -8 2015  
 
SUNRISE AND SUNSET  
JANUARY 14 2021.......SUNRISE 7:19 AM CST SUNSET 4:46 PM CST  
JANUARY 15 2021.......SUNRISE 7:18 AM CST SUNSET 4:47 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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