108  
CDUS43 KLOT 152254  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
454 PM CST FRI JAN 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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 3:02 PM 42 2006 31 5  
MINIMUM 32 7:36 AM -17 2009 15 17  
AVERAGE 34 23 11  
 
PRECIPITATION (IN)  
TODAY 0.02 0.12 2007 0.03 -0.01  
MONTH TO DATE 0.43 0.63 -0.20  
SINCE DEC 1 2.28 2.35 -0.07  
SINCE JAN 1 0.43 0.63 -0.20  
 
DEGREE DAYS  
HEATING  
TODAY 31 42 -11  
MONTH TO DATE 536 628 -92  
SINCE DEC 1 1609 1801 -192  
SINCE JUL 1 2780 3055 -275  
 
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 9 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 46 2006  
MINIMUM TEMPERATURE (F) 15 -22 2009  
 
SUNRISE AND SUNSET  
JANUARY 15 2021.......SUNRISE 7:18 AM CST SUNSET 4:47 PM CST  
JANUARY 16 2021.......SUNRISE 7:18 AM CST SUNSET 4:48 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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