230  
CDUS43 KLOT 182234  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST THU FEB 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 18 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 25 3:30 PM 69 2017 37 -12  
MINIMUM 12 7:56 AM -8 2006 20 -8  
AVERAGE 19 29 -10  
 
PRECIPITATION (IN)  
TODAY T 0.33 2013 0.05 -0.05  
MONTH TO DATE 0.25 0.82 -0.57  
SINCE DEC 1 2.84 3.85 -1.01  
SINCE JAN 1 0.99 2.13 -1.14  
 
DEGREE DAYS  
HEATING  
TODAY 46 36 10  
MONTH TO DATE 991 695 296  
SINCE DEC 1 3252 3156 96  
SINCE JUL 1 4423 4410 13  
 
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 4 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.1  
 
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) 38 67 2017  
MINIMUM TEMPERATURE (F) 20 -8 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2021......SUNRISE 6:44 AM CST SUNSET 5:30 PM CST  
FEBRUARY 19 2021......SUNRISE 6:43 AM CST SUNSET 5:31 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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