450  
CDUS43 KLOT 072132  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CDT WED MAY 07 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 7 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 77 11:31 AM 88 2023 68 9 76  
MINIMUM 50 5:14 AM 35 2017 45 5 57  
2021  
AVERAGE 64 56 8 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.88 1998 0.15 -0.15 0.45  
MONTH TO DATE 0.71 1.03 -0.32 1.39  
SINCE MAR 1 5.61 6.44 -0.83 8.16  
SINCE JAN 1 7.18 8.95 -1.77 10.61  
 
DEGREE DAYS  
HEATING  
TODAY 1 9 -8 0  
MONTH TO DATE 59 71 -12 29  
SINCE MAR 1 1163 1413 -250 1120  
SINCE JUL 1 5483 6190 -707 5181  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 0 3 -3 2  
SINCE MAR 1 6 9 -3 10  
SINCE JAN 1 6 9 -3 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 2:00 AM  
LOWEST 44 10:00 AM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2014  
MINIMUM TEMPERATURE (F) 46 29 2020  
 
SUNRISE AND SUNSET  
MAY 7 2025...........SUNRISE 5:41 AM CDT SUNSET 7:59 PM CDT  
MAY 8 2025...........SUNRISE 5:40 AM CDT SUNSET 8:00 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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