886  
CDUS43 KLOT 120635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT THU JUN 12 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 11 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 91 4:24 PM 93 2021 80 11 78  
MINIMUM 63 4:57 AM 46 2024 58 5 46  
AVERAGE 77 69 8 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.15 1998 0.13 -0.13 0.00  
MONTH TO DATE 1.13 1.47 -0.34 2.30  
SINCE JUN 1 1.13 1.47 -0.34 2.30  
SINCE JAN 1 9.19 13.73 -4.54 14.94  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 18 22 -4 11  
SINCE JUN 1 18 22 -4 11  
SINCE JUL 1 5675 6352 -677 5253  
 
COOLING  
YESTERDAY 12 5 7 0  
MONTH TO DATE 30 47 -17 36  
SINCE JUN 1 30 47 -17 36  
SINCE JAN 1 63 103 -40 90    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 11.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 3:00 AM  
LOWEST 31 4:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2017  
MINIMUM TEMPERATURE (F) 58 45 2006  
 
SUNRISE AND SUNSET  
JUNE 12 2025..........SUNRISE 5:17 AM CDT SUNSET 8:29 PM CDT  
JUNE 13 2025..........SUNRISE 5:17 AM CDT SUNSET 8:29 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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