662  
CDUS43 KLOT 080635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST TUE DEC 08 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 2020...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 38 4:27 PM 51 2004 38 0 37  
MINIMUM 31 7:39 AM -4 2005 22 9 21  
AVERAGE 35 30 5 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.63 0.06 -0.06 0.00  
MONTH TO DATE 0.00 0.46 -0.46 0.05  
SINCE DEC 1 0.00 0.46 -0.46 0.05  
SINCE JAN 1 30.19 35.65 -5.46 41.91  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 35 -5 36  
MONTH TO DATE 230 236 -6 223  
SINCE DEC 1 230 236 -6 223  
SINCE JUL 1 1401 1490 -89 1599  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 943 814 129 1003    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 47 1999  
2001  
MINIMUM TEMPERATURE (F) 21 -2 2006  
 
SUNRISE AND SUNSET  
DECEMBER 8 2020......SUNRISE 7:08 AM CST SUNSET 4:22 PM CST  
DECEMBER 9 2020......SUNRISE 7:09 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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