055  
CDUS43 KLOT 172149  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
449 PM CDT TUE JUN 17 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 17 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 91 2:59 PM 94 2024 81 10 94  
MINIMUM 68 3:18 AM 46 1997 60 8 71  
1999  
AVERAGE 80 70 10 83  
 
PRECIPITATION (IN)  
TODAY 0.00 0.23 2015 0.12 -0.12 0.00  
MONTH TO DATE 1.13 2.21 -1.08 2.34  
SINCE JUN 1 1.13 2.21 -1.08 2.34  
SINCE JAN 1 9.19 14.47 -5.28 14.98  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 18 28 -10 11  
SINCE JUN 1 18 28 -10 11  
SINCE JUL 1 5675 6358 -683 5253  
 
COOLING  
TODAY 15 6 9 18  
MONTH TO DATE 68 81 -13 108  
SINCE JUN 1 68 81 -13 108  
SINCE JAN 1 101 137 -36 162    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2018  
MINIMUM TEMPERATURE (F) 60 45 1999  
2005  
 
SUNRISE AND SUNSET  
JUNE 17 2025..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 18 2025..........SUNRISE 5:17 AM CDT SUNSET 8:31 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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