727  
CDUS43 KLOT 212234  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST SUN FEB 21 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 21 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 36 3:59 PM 65 2017 38 -2  
MINIMUM 9 2:23 AM 5 2008 21 -12  
AVERAGE 23 30 -7  
 
PRECIPITATION (IN)  
TODAY 0.00 0.19 2010 0.06 -0.06  
MONTH TO DATE 0.25 0.99 -0.74  
SINCE DEC 1 2.84 4.02 -1.18  
SINCE JAN 1 0.99 2.30 -1.31  
 
DEGREE DAYS  
HEATING  
TODAY 42 35 7  
MONTH TO DATE 1145 802 343  
SINCE DEC 1 3406 3263 143  
SINCE JUL 1 4577 4517 60  
 
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 9 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 9.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 67 2017  
MINIMUM TEMPERATURE (F) 21 2 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2021......SUNRISE 6:40 AM CST SUNSET 5:34 PM CST  
FEBRUARY 22 2021......SUNRISE 6:38 AM CST SUNSET 5:35 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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