081  
CDUS43 KLOT 112244  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
444 PM CST FRI DEC 11 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 2020...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 44 12:03 PM 51 2015 36 8  
MINIMUM 29 3:58 AM -5 2013 20 9  
AVERAGE 37 28 9  
 
PRECIPITATION (IN)  
TODAY 0.01 0.58 2007 0.05 -0.04  
MONTH TO DATE 0.01 0.69 -0.68  
SINCE DEC 1 0.01 0.69 -0.68  
SINCE JAN 1 30.20 35.88 -5.68  
 
DEGREE DAYS  
HEATING  
TODAY 28 37 -9  
MONTH TO DATE 340 381 -41  
SINCE DEC 1 340 381 -41  
SINCE JUL 1 1511 1635 -124  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 943 814 129    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 11.2  
 
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) 36 58 2015  
MINIMUM TEMPERATURE (F) 20 -10 2013  
 
SUNRISE AND SUNSET  
DECEMBER 11 2020......SUNRISE 7:11 AM CST SUNSET 4:22 PM CST  
DECEMBER 12 2020......SUNRISE 7:12 AM CST SUNSET 4:22 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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