252  
CDUS43 KLOT 270634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST SAT FEB 27 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 26 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 40 4:33 PM 63 1998 40 0 31  
MINIMUM 16 6:11 AM -3 2015 23 -7 25  
AVERAGE 28 31 -3 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.77 0.07 -0.06 T  
MONTH TO DATE 0.41 1.30 -0.89 0.37  
SINCE DEC 1 3.00 4.33 -1.33 4.03  
SINCE JAN 1 1.15 2.61 -1.46 2.65  
 
DEGREE DAYS  
HEATING  
YESTERDAY 37 34 3 37  
MONTH TO DATE 1313 974 339 966  
SINCE DEC 1 3574 3435 139 3091  
SINCE JUL 1 4745 4689 56 4467  
 
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 7 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 61 2018  
MINIMUM TEMPERATURE (F) 23 -8 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2021......SUNRISE 6:31 AM CST SUNSET 5:41 PM CST  
FEBRUARY 28 2021......SUNRISE 6:29 AM CST SUNSET 5:42 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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