805  
CDUS43 KLOT 140635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST SUN FEB 14 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 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 8 1:11 PM 45 2001 36 -28 31  
MINIMUM -4R 11:59 PM -2 2015 19 -23 0  
AVERAGE 2 27 -25 16  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.45 0.05 MM 0.03  
MONTH TO DATE 0.25 0.56 -0.31 0.32  
SINCE DEC 1 2.84 3.59 -0.75 3.98  
SINCE JAN 1 0.99 1.87 -0.88 2.60  
 
DEGREE DAYS  
HEATING  
YESTERDAY 63 38 25 49  
MONTH TO DATE 703 510 193 467  
SINCE DEC 1 2964 2971 -7 2592  
SINCE JUL 1 4135 4225 -90 3968  
 
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 11 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
BLOWING SNOW  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 56 2006  
MINIMUM TEMPERATURE (F) 19 -8 2020  
 
SUNRISE AND SUNSET  
FEBRUARY 14 2021......SUNRISE 6:50 AM CST SUNSET 5:25 PM CST  
FEBRUARY 15 2021......SUNRISE 6:48 AM CST SUNSET 5:26 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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