273  
CDUS43 KLOT 042132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT FRI JUL 04 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 4 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 89 2:59 PM 98 2012 84 5 82  
MINIMUM 72 7:38 AM 50 2008 63 9 66  
AVERAGE 81 73 8 74  
 
PRECIPITATION (IN)  
TODAY 0.45R 0.45 2022 0.11 0.34 T  
MONTH TO DATE 0.45 0.41 0.04 0.61  
SINCE JUN 1 3.10 4.06 -0.96 5.64  
SINCE JAN 1 11.16 16.32 -5.16 18.28  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE JUN 1 18 33 -15 16  
SINCE JUL 1 0 0 0 3  
 
COOLING  
TODAY 16 8 8 9  
MONTH TO DATE 56 32 24 33  
SINCE JUN 1 323 207 116 275  
SINCE JAN 1 356 263 93 329    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 52 3:00 PM  
AVERAGE 71  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 2012  
MINIMUM TEMPERATURE (F) 63 50 1997  
2008  
 
SUNRISE AND SUNSET  
JULY 4 2025..........SUNRISE 5:23 AM CDT SUNSET 8:31 PM CDT  
JULY 5 2025..........SUNRISE 5:24 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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