312  
CDUS43 KLOT 042247  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CST THU FEB 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 4 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 35 12:31 PM 59 2008 33 2  
MINIMUM 27 12:54 AM -7 2007 17 10  
AVERAGE 31 25 6  
 
PRECIPITATION (IN)  
TODAY 0.13 0.25 2008 0.03 0.10  
MONTH TO DATE 0.13 0.14 -0.01  
SINCE DEC 1 2.72 3.17 -0.45  
SINCE JAN 1 0.87 1.45 -0.58  
 
DEGREE DAYS  
HEATING  
TODAY 34 40 -6  
MONTH TO DATE 161 160 1  
SINCE DEC 1 2422 2621 -199  
SINCE JUL 1 3593 3875 -282  
 
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 14 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 14.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 34 57 2008  
MINIMUM TEMPERATURE (F) 17 -12 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 4 2021......SUNRISE 7:02 AM CST SUNSET 5:12 PM CST  
FEBRUARY 5 2021......SUNRISE 7:01 AM CST SUNSET 5:14 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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