773  
CDUS43 KLOT 240644  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT SAT MAY 24 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 23 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 67 3:08 PM 89 2010 74 -7 80  
MINIMUM 40 2:13 AM 37 2013 51 -11 53  
AVERAGE 54 62 -8 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 2017 0.14 -0.14 0.00  
MONTH TO DATE 1.36 3.32 -1.96 2.12  
SINCE MAR 1 6.26 8.73 -2.47 8.89  
SINCE JAN 1 7.83 11.24 -3.41 11.34  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 5 6 0  
MONTH TO DATE 180 180 0 71  
SINCE MAR 1 1284 1522 -238 1162  
SINCE JUL 1 5604 6299 -695 5223  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 27 26 1 42  
SINCE MAR 1 33 32 1 50  
SINCE JAN 1 33 32 1 50    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 63  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2010  
MINIMUM TEMPERATURE (F) 52 34 2013  
 
SUNRISE AND SUNSET  
MAY 24 2025...........SUNRISE 5:25 AM CDT SUNSET 8:15 PM CDT  
MAY 25 2025...........SUNRISE 5:24 AM CDT SUNSET 8:16 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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