662  
CDUS43 KLOT 290633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT TUE APR 29 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR APRIL 28 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 84R 3:40 PM 80 2004 64 20 74  
MINIMUM 52 3:30 AM 26 2019 42 10 61  
AVERAGE 68 53 15 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.56 2014 0.15 -0.15 0.35  
MONTH TO DATE 1.98 3.12 -1.14 2.46  
SINCE MAR 1 4.88 5.09 -0.21 6.39  
SINCE JAN 1 6.45 7.60 -1.15 8.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 12 -12 0  
MONTH TO DATE 427 468 -41 400  
SINCE MAR 1 1089 1318 -229 1080  
SINCE JUL 1 5409 6095 -686 5141  
 
COOLING  
YESTERDAY 3 0 3 3  
MONTH TO DATE 6 0 6 8  
SINCE MAR 1 6 2 4 8  
SINCE JAN 1 6 2 4 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 16.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 3:00 AM  
LOWEST 44 4:00 PM  
AVERAGE 54  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 81 2007  
MINIMUM TEMPERATURE (F) 43 27 2018  
 
SUNRISE AND SUNSET  
APRIL 29 2025.........SUNRISE 5:51 AM CDT SUNSET 7:50 PM CDT  
APRIL 30 2025.........SUNRISE 5:50 AM CDT SUNSET 7:51 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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