018  
CDUS43 KLOT 012132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT TUE JUL 01 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 1 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 87 2:59 PM 92 2018 84 3 75  
MINIMUM 68 4:42 AM 48 2001 62 6 48  
2024  
AVERAGE 78 73 5 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.19 2012 0.10 -0.10 0.00  
MONTH TO DATE 0.00 0.10 -0.10 0.00  
SINCE JUN 1 2.65 3.75 -1.10 5.03  
SINCE JAN 1 10.71 16.01 -5.30 17.67  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 3  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 18 33 -15 16  
SINCE JUL 1 0 0 0 3  
 
COOLING  
TODAY 13 8 5 0  
MONTH TO DATE 13 8 5 0  
SINCE JUN 1 280 183 97 242  
SINCE JAN 1 313 239 74 296    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 62  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2012  
MINIMUM TEMPERATURE (F) 63 42 2001  
 
SUNRISE AND SUNSET  
JULY 1 2025..........SUNRISE 5:22 AM CDT SUNSET 8:32 PM CDT  
JULY 2 2025..........SUNRISE 5:22 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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