057  
CDUS43 KLOT 250639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SUN APR 25 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR APRIL 24 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 64 2:52 PM 84 2009 64 0 51  
MINIMUM 45 11:59 PM 28 2015 40 5 41  
AVERAGE 55 52 3 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 0.11 -0.11 0.00  
MONTH TO DATE 0.88 2.45 -1.57 1.11  
SINCE MAR 1 1.77 4.81 -3.04 4.60  
SINCE JAN 1 2.93 7.54 -4.61 7.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 13 -3 19  
MONTH TO DATE 379 405 -26 461  
SINCE MAR 1 1084 1241 -157 1214  
SINCE JUL 1 5883 5996 -113 5804  
 
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 2 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 83 2016  
MINIMUM TEMPERATURE (F) 41 29 1999  
 
SUNRISE AND SUNSET  
APRIL 25 2021.........SUNRISE 5:57 AM CDT SUNSET 7:45 PM CDT  
APRIL 26 2021.........SUNRISE 5:56 AM CDT SUNSET 7:47 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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