268  
CDUS43 KLOT 152242  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
442 PM CST MON FEB 15 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 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 9 3:59 PM 55 1999 36 -27  
MINIMUM -2 6:04 AM -3 2015 19 -21  
AVERAGE 4 28 -24  
 
PRECIPITATION (IN)  
TODAY T 0.10 2005 0.05 -0.05  
2005  
2012  
MONTH TO DATE 0.25 0.66 -0.41  
SINCE DEC 1 2.84 3.69 -0.85  
SINCE JAN 1 0.99 1.97 -0.98  
 
DEGREE DAYS  
HEATING  
TODAY 61 37 24  
MONTH TO DATE 832 585 247  
SINCE DEC 1 3093 3046 47  
SINCE JUL 1 4264 4300 -36  
 
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 16 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 15.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 47 2011  
2012  
MINIMUM TEMPERATURE (F) 20 -6 2007  
 
SUNRISE AND SUNSET  
FEBRUARY 15 2021......SUNRISE 6:48 AM CST SUNSET 5:26 PM CST  
FEBRUARY 16 2021......SUNRISE 6:47 AM CST SUNSET 5:28 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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