217  
CDUS43 KLOT 222138  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
438 PM CDT THU APR 22 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 22 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 59 2:59 PM 81 2007 64 -5  
MINIMUM 27R 3:45 AM 28 2003 40 -13  
AVERAGE 43 52 -9  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 2005 0.11 -0.11  
MONTH TO DATE 0.88 2.23 -1.35  
SINCE MAR 1 1.77 4.59 -2.82  
SINCE JAN 1 2.93 7.32 -4.39  
 
DEGREE DAYS  
HEATING  
TODAY 22 14 8  
MONTH TO DATE 356 379 -23  
SINCE MAR 1 1061 1215 -154  
SINCE JUL 1 5860 5970 -110  
 
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 8 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 75 2008  
MINIMUM TEMPERATURE (F) 40 25 2003  
 
SUNRISE AND SUNSET  
APRIL 22 2021.........SUNRISE 6:01 AM CDT SUNSET 7:42 PM CDT  
APRIL 23 2021.........SUNRISE 6:00 AM CDT SUNSET 7:43 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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