040  
CDUS43 KLOT 270638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT FRI JUN 27 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 26 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 93 3:37 PM 95 2005 83 10 86  
MINIMUM 73 9:51 PM 49 2012 62 11 62  
AVERAGE 83 72 11 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.28 2021 0.11 0.05 T  
MONTH TO DATE 2.65 3.24 -0.59 4.77  
SINCE JUN 1 2.65 3.24 -0.59 4.77  
SINCE JAN 1 10.71 15.50 -4.79 17.41  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 30 -12 11  
SINCE JUN 1 18 30 -12 11  
SINCE JUL 1 5675 6360 -685 5253  
 
COOLING  
YESTERDAY 18 8 10 9  
MONTH TO DATE 211 144 67 225  
SINCE JUN 1 211 144 67 225  
SINCE JAN 1 244 200 44 279    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 9:00 PM  
LOWEST 49 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2005  
MINIMUM TEMPERATURE (F) 62 48 2017  
 
SUNRISE AND SUNSET  
JUNE 27 2025..........SUNRISE 5:20 AM CDT SUNSET 8:32 PM CDT  
JUNE 28 2025..........SUNRISE 5:20 AM CDT SUNSET 8:32 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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