010  
CDUS43 KLOT 160639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1239 AM CST TUE FEB 16 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 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 9 4:00 PM 55 1999 36 -27 31  
MINIMUM -2 6:04 AM -3 2015 19 -21 3  
AVERAGE 4 28 -24 17  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.10 0.05 MM T  
MONTH TO DATE 0.25 0.66 -0.41 0.32  
SINCE DEC 1 2.84 3.69 -0.85 3.98  
SINCE JAN 1 0.99 1.97 -0.98 2.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 61 37 24 48  
MONTH TO DATE 832 585 247 578  
SINCE DEC 1 3093 3046 47 2703  
SINCE JUL 1 4264 4300 -36 4079  
 
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 16 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 16.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 47 2011  
2012  
MINIMUM TEMPERATURE (F) 20 -6 2007  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2021......SUNRISE 6:47 AM CST SUNSET 5:28 PM CST  
FEBRUARY 17 2021......SUNRISE 6:46 AM CST SUNSET 5:29 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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