716  
CDUS43 KLOT 220633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED APR 22 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 21 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 3:48 PM 81 2001 62 14 62  
MINIMUM 47 5:22 AM 29 2011 40 7 41  
2021  
2024  
AVERAGE 62 51 11 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 2002 0.13 -0.13 0.03  
MONTH TO DATE 4.71 2.18 2.53 1.63  
SINCE MAR 1 9.28 4.15 5.13 4.53  
SINCE JAN 1 10.53 6.66 3.87 6.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 14 -11 13  
MONTH TO DATE 278 377 -99 374  
SINCE MAR 1 950 1227 -277 1036  
SINCE JUL 1 5592 6004 -412 5357  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 12 0 12 3  
SINCE MAR 1 12 2 10 3  
SINCE JAN 1 12 2 10 3    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 11:00 PM  
LOWEST 46 2:00 PM  
AVERAGE 62  
   
......................................................  
 
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 2026.........SUNRISE 6:02 AM CDT SUNSET 7:42 PM CDT  
APRIL 23 2026.........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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