410  
CDUS43 KLOT 182253  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
453 PM CST MON JAN 18 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 18 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 27 2:41 PM 42 2013 31 -4  
MINIMUM 25 9:05 AM -5 2016 15 10  
AVERAGE 26 23 3  
 
PRECIPITATION (IN)  
TODAY T 0.33 2020 0.03 -0.03  
MONTH TO DATE 0.51 0.74 -0.23  
SINCE DEC 1 2.36 2.46 -0.10  
SINCE JAN 1 0.51 0.74 -0.23  
 
DEGREE DAYS  
HEATING  
TODAY 39 42 -3  
MONTH TO DATE 647 754 -107  
SINCE DEC 1 1720 1927 -207  
SINCE JUL 1 2891 3181 -290  
 
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 W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 55 2006  
MINIMUM TEMPERATURE (F) 15 -5 2008  
 
SUNRISE AND SUNSET  
JANUARY 18 2021.......SUNRISE 7:17 AM CST SUNSET 4:51 PM CST  
JANUARY 19 2021.......SUNRISE 7:16 AM CST SUNSET 4:52 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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