483  
CDUS43 KLOT 110634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST THU FEB 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 10 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 15 3:52 PM 62 2009 35 -20 36  
MINIMUM -1 12:30 AM -20 2011 18 -19 24  
AVERAGE 7 26 -19 30  
 
PRECIPITATION (IN)  
YESTERDAY T 0.22 0.05 -0.05 0.00  
MONTH TO DATE 0.25 0.41 -0.16 0.14  
SINCE DEC 1 2.84 3.44 -0.60 3.80  
SINCE JAN 1 0.99 1.72 -0.73 2.42  
 
DEGREE DAYS  
HEATING  
YESTERDAY 58 39 19 35  
MONTH TO DATE 530 396 134 341  
SINCE DEC 1 2791 2857 -66 2466  
SINCE JUL 1 3962 4111 -149 3842  
 
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 N (350)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 69 1999  
MINIMUM TEMPERATURE (F) 18 -14 2014  
 
SUNRISE AND SUNSET  
FEBRUARY 11 2021......SUNRISE 6:54 AM CST SUNSET 5:21 PM CST  
FEBRUARY 12 2021......SUNRISE 6:52 AM CST SUNSET 5:23 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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