659  
CDUS43 KLOT 042235  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CST FRI DEC 04 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 4 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 3:37 PM 65 1998 39 5  
MINIMUM 28 7:15 AM 2 2006 23 5  
AVERAGE 36 31 5  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 2017 0.06 -0.06  
MONTH TO DATE 0.00 0.27 -0.27  
SINCE DEC 1 0.00 0.27 -0.27  
SINCE JAN 1 30.19 35.46 -5.27  
 
DEGREE DAYS  
HEATING  
TODAY 29 34 -5  
MONTH TO DATE 131 132 -1  
SINCE DEC 1 131 132 -1  
SINCE JUL 1 1302 1386 -84  
 
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 9 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 68 2001  
MINIMUM TEMPERATURE (F) 22 0 2005  
 
SUNRISE AND SUNSET  
DECEMBER 4 2020......SUNRISE 7:05 AM CST SUNSET 4:22 PM CST  
DECEMBER 5 2020......SUNRISE 7:06 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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