873  
CDUS43 KLOT 230636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT FRI APR 23 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 22 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 4:30 PM 81 2007 64 -4 62  
MINIMUM 27R 3:45 AM 28 2003 40 -13 37  
AVERAGE 44 52 -8 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.58 0.11 -0.11 0.02  
MONTH TO DATE 0.88 2.23 -1.35 1.11  
SINCE MAR 1 1.77 4.59 -2.82 4.60  
SINCE JAN 1 2.93 7.32 -4.39 7.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 14 7 15  
MONTH TO DATE 355 379 -24 427  
SINCE MAR 1 1060 1215 -155 1180  
SINCE JUL 1 5859 5970 -111 5770  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 4 0 4 1  
SINCE MAR 1 4 0 4 1  
SINCE JAN 1 4 0 4 1    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 75 2008  
MINIMUM TEMPERATURE (F) 40 25 2003  
 
SUNRISE AND SUNSET  
APRIL 23 2021.........SUNRISE 6:00 AM CDT SUNSET 7:43 PM CDT  
APRIL 24 2021.........SUNRISE 5:59 AM CDT SUNSET 7:44 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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