910  
CDUS43 KLOT 220631  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
131 AM CDT TUE APR 22 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 21 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 1:28 AM 81 2001 62 0 57  
MINIMUM 41 11:59 PM 29 2011 40 1 29  
2021  
2024  
AVERAGE 52 51 1 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.35 2002 0.13 -0.10 0.00  
MONTH TO DATE 1.63 2.18 -0.55 1.23  
SINCE MAR 1 4.53 4.15 0.38 5.16  
SINCE JAN 1 6.10 6.66 -0.56 7.61  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 14 -1 22  
MONTH TO DATE 374 377 -3 321  
SINCE MAR 1 1036 1227 -191 1001  
SINCE JUL 1 5356 6004 -648 5062  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 1  
SINCE MAR 1 3 2 1 1  
SINCE JAN 1 3 2 1 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 15.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 12:00 AM  
LOWEST 57 5:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 2007  
MINIMUM TEMPERATURE (F) 40 27 2021  
 
SUNRISE AND SUNSET  
APRIL 22 2025.........SUNRISE 6:01 AM CDT SUNSET 7:42 PM CDT  
APRIL 23 2025.........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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