867  
CDUS43 KLOT 230635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST WED DEC 23 2020  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 22 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 39 11:59 PM 53 2006 33 6 52  
MINIMUM 28 8:15 AM -10 2000 17 11 25  
AVERAGE 34 25 9 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.86 0.06 -0.06 0.00  
MONTH TO DATE 1.13 1.32 -0.19 0.07  
SINCE DEC 1 1.13 1.32 -0.19 0.07  
SINCE JAN 1 31.32 36.51 -5.19 41.93  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 40 -9 26  
MONTH TO DATE 711 805 -94 776  
SINCE DEC 1 711 805 -94 776  
SINCE JUL 1 1882 2059 -177 2152  
 
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 5 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.7  
 
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) 33 59 2015  
MINIMUM TEMPERATURE (F) 17 -8 2000  
 
SUNRISE AND SUNSET  
DECEMBER 23 2020......SUNRISE 7:19 AM CST SUNSET 4:26 PM CST  
DECEMBER 24 2020......SUNRISE 7:19 AM CST SUNSET 4:27 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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