622  
CDUS43 KLOT 070636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT WED MAY 07 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 6 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 77 4:52 PM 85 2004 67 10 72  
MINIMUM 42 3:42 AM 36 2006 45 -3 45  
AVERAGE 60 56 4 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 2012 0.14 -0.14 0.00  
MONTH TO DATE 0.71 0.88 -0.17 0.94  
SINCE MAR 1 5.61 6.29 -0.68 7.71  
SINCE JAN 1 7.18 8.80 -1.62 10.16  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 10 -5 6  
MONTH TO DATE 58 62 -4 29  
SINCE MAR 1 1162 1404 -242 1120  
SINCE JUL 1 5482 6181 -699 5181  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 6 8 -2 8  
SINCE JAN 1 6 8 -2 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 36 5:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 2023  
MINIMUM TEMPERATURE (F) 45 35 2017  
2021  
 
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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