393  
CDUS43 KLOT 122235  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CST SAT DEC 12 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 40 8:34 AM 58 2015 36 4  
MINIMUM 35 3:59 PM -10 2013 20 15  
AVERAGE 38 28 10  
 
PRECIPITATION (IN)  
TODAY 0.43 0.54 2001 0.06 0.37  
MONTH TO DATE 1.13 0.75 0.38  
SINCE DEC 1 1.13 0.75 0.38  
SINCE JAN 1 31.32 35.94 -4.62  
 
DEGREE DAYS  
HEATING  
TODAY 27 37 -10  
MONTH TO DATE 367 418 -51  
SINCE DEC 1 367 418 -51  
SINCE JUL 1 1538 1672 -134  
 
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 14 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 15.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 61 2015  
MINIMUM TEMPERATURE (F) 20 -9 2000  
 
SUNRISE AND SUNSET  
DECEMBER 12 2020......SUNRISE 7:12 AM CST SUNSET 4:22 PM CST  
DECEMBER 13 2020......SUNRISE 7:13 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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