959  
CDUS43 KLOT 182236  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST FRI DEC 18 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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 36 3:18 PM 54 2002 34 2  
MINIMUM 18 5:25 AM -14 2016 18 0  
AVERAGE 27 26 1  
 
PRECIPITATION (IN)  
TODAY 0.00 0.56 2002 0.06 -0.06  
MONTH TO DATE 1.13 1.09 0.04  
SINCE DEC 1 1.13 1.09 0.04  
SINCE JAN 1 31.32 36.28 -4.96  
 
DEGREE DAYS  
HEATING  
TODAY 38 39 -1  
MONTH TO DATE 597 647 -50  
SINCE DEC 1 597 647 -50  
SINCE JUL 1 1768 1901 -133  
 
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 7 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 53 2002  
MINIMUM TEMPERATURE (F) 18 -15 2016  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 7:16 AM CST SUNSET 4:24 PM CST  
DECEMBER 19 2020......SUNRISE 7:17 AM CST SUNSET 4:24 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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