374  
CDUS43 KLOT 222237  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST MON FEB 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 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 37 3:59 PM 67 2017 39 -2  
MINIMUM 24 7:13 AM 2 2015 21 3  
AVERAGE 31 30 1  
 
PRECIPITATION (IN)  
TODAY T 0.16 2013 0.06 -0.06  
MONTH TO DATE 0.40 1.05 -0.65  
SINCE DEC 1 2.99 4.08 -1.09  
SINCE JAN 1 1.14 2.36 -1.22  
 
DEGREE DAYS  
HEATING  
TODAY 34 35 -1  
MONTH TO DATE 1179 837 342  
SINCE DEC 1 3440 3298 142  
SINCE JUL 1 4611 4552 59  
 
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 16 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 17.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 2000  
MINIMUM TEMPERATURE (F) 22 8 2009  
 
SUNRISE AND SUNSET  
FEBRUARY 22 2021......SUNRISE 6:38 AM CST SUNSET 5:35 PM CST  
FEBRUARY 23 2021......SUNRISE 6:37 AM CST SUNSET 5:36 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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