067  
CDUS43 KLOT 312255  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
455 PM CST THU DEC 31 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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 26 2:53 PM 100 25 32 -6  
MINIMUM 21 7:57 AM -24 1999 16 5  
AVERAGE 24 24 0  
 
PRECIPITATION (IN)  
TODAY 0.00 6.02 2008 0.04 -0.04  
MONTH TO DATE 1.85 1.72 0.13  
SINCE DEC 1 1.85 1.72 0.13  
SINCE JAN 1 32.04 36.91 -4.87  
 
DEGREE DAYS  
HEATING  
TODAY 41 41 0  
MONTH TO DATE 1068 1171 -103  
SINCE DEC 1 1068 1171 -103  
SINCE JUL 1 2239 2425 -186  
 
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 4 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.8  
 
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) 32 47 2000  
MINIMUM TEMPERATURE (F) 16 -12 2018  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 7:21 AM CST SUNSET 4:32 PM CST  
JANUARY 1 2021.......SUNRISE 7:21 AM CST SUNSET 4:33 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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