916  
CDUS43 KLOT 230658  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1258 AM CST TUE FEB 23 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 22 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 38 9:04 PM 67 2017 39 -1 50  
MINIMUM 24 7:13 AM 2 2015 21 3 24  
AVERAGE 31 30 1 37  
 
PRECIPITATION (IN)  
YESTERDAY T 0.16 0.06 -0.06 0.00  
MONTH TO DATE 0.40 1.05 -0.65 0.37  
SINCE DEC 1 2.99 4.08 -1.09 4.03  
SINCE JAN 1 1.14 2.36 -1.22 2.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 35 -1 28  
MONTH TO DATE 1179 837 342 848  
SINCE DEC 1 3440 3298 142 2973  
SINCE JUL 1 4611 4552 59 4349  
 
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 15 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 17.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 64 2000  
MINIMUM TEMPERATURE (F) 22 8 2009  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2021......SUNRISE 6:37 AM CST SUNSET 5:36 PM CST  
FEBRUARY 24 2021......SUNRISE 6:35 AM CST SUNSET 5:38 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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