648  
CDUS43 KLOT 092236  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST SAT JAN 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 9 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 36 1:00 PM 52 2002 31 5  
MINIMUM 27 7:39 AM -11 1999 15 12  
2014  
AVERAGE 32 23 9  
 
PRECIPITATION (IN)  
TODAY 0.00 0.17 2016 0.04 -0.04  
MONTH TO DATE 0.27 0.43 -0.16  
SINCE DEC 1 2.12 2.15 -0.03  
SINCE JAN 1 0.27 0.43 -0.16  
 
DEGREE DAYS  
HEATING  
TODAY 33 42 -9  
MONTH TO DATE 322 376 -54  
SINCE DEC 1 1395 1549 -154  
SINCE JUL 1 2566 2803 -237  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE DEC 1 0 0 0  
SINCE JAN 1 0 0 0    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.9  
 
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) 31 54 2018  
MINIMUM TEMPERATURE (F) 15 -7 2010  
 
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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