430  
CDUS43 KLOT 090633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT JAN 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 8 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 33 2:31 PM 56 2008 31 2 28  
MINIMUM 28 11:59 PM -11 2014 15 13 14  
AVERAGE 31 23 8 21  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 0.04 -0.04 0.00  
MONTH TO DATE 0.27 0.39 -0.12 0.01  
SINCE DEC 1 2.12 2.11 0.01 1.39  
SINCE JAN 1 0.27 0.39 -0.12 0.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 42 -8 44  
MONTH TO DATE 289 334 -45 268  
SINCE DEC 1 1362 1507 -145 1276  
SINCE JUL 1 2533 2761 -228 2652  
 
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 13 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 52 2002  
MINIMUM TEMPERATURE (F) 15 -11 1999  
2014  
 
SUNRISE AND SUNSET  
JANUARY 9 2021.......SUNRISE 7:20 AM CST SUNSET 4:41 PM CST  
JANUARY 10 2021.......SUNRISE 7:20 AM CST SUNSET 4:42 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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