211  
CDUS43 KLOT 202135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT TUE APR 20 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 43 2:59 PM 80 2014 63 -20  
MINIMUM 35 9:35 AM 25 2018 39 -4  
AVERAGE 39 51 -12  
 
PRECIPITATION (IN)  
TODAY 0.01 0.49 2004 0.11 -0.10  
MONTH TO DATE 0.88 2.02 -1.14  
SINCE MAR 1 1.77 4.38 -2.61  
SINCE JAN 1 2.93 7.11 -4.18  
 
DEGREE DAYS  
HEATING  
TODAY 26 14 12  
MONTH TO DATE 307 351 -44  
SINCE MAR 1 1012 1187 -175  
SINCE JUL 1 5811 5942 -131  
 
COOLING  
TODAY 0 0 0  
MONTH TO DATE 4 0 4  
SINCE MAR 1 4 0 4  
SINCE JAN 1 4 0 4    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 2001  
MINIMUM TEMPERATURE (F) 40 29 2011  
 
SUNRISE AND SUNSET  
APRIL 20 2021.........SUNRISE 6:04 AM CDT SUNSET 7:40 PM CDT  
APRIL 21 2021.........SUNRISE 6:03 AM CDT SUNSET 7:41 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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