873  
CDUS43 KLOT 110633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST MON JAN 11 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 10 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 28 1:51 PM 54 2018 31 -3 49  
MINIMUM 23 11:59 PM -7 2010 15 8 35  
AVERAGE 26 23 3 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 0.04 -0.04 0.91  
MONTH TO DATE 0.27 0.47 -0.20 0.95  
SINCE DEC 1 2.12 2.19 -0.07 2.33  
SINCE JAN 1 0.27 0.47 -0.20 0.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 42 -3 23  
MONTH TO DATE 364 418 -54 320  
SINCE DEC 1 1437 1591 -154 1328  
SINCE JUL 1 2608 2845 -237 2704  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 6.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 57 2018  
MINIMUM TEMPERATURE (F) 15 -5 1999  
 
SUNRISE AND SUNSET  
JANUARY 11 2021.......SUNRISE 7:20 AM CST SUNSET 4:43 PM CST  
JANUARY 12 2021.......SUNRISE 7:19 AM CST SUNSET 4:44 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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