835  
CDUS43 KLOT 112134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN MAY 11 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR MAY 11 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 74 2:17 PM 92 2022 69 5 71  
MINIMUM 36 4:10 AM 33 2021 47 -11 48  
AVERAGE 55 58 -3 60  
 
PRECIPITATION (IN)  
TODAY 0.00 2.07 2002 0.15 -0.15 0.00  
MONTH TO DATE 0.71 1.62 -0.91 1.93  
SINCE MAR 1 5.61 7.03 -1.42 8.70  
SINCE JAN 1 7.18 9.54 -2.36 11.15  
 
DEGREE DAYS  
HEATING  
TODAY 10 8 2 5  
MONTH TO DATE 105 105 0 54  
SINCE MAR 1 1209 1447 -238 1145  
SINCE JUL 1 5529 6224 -695 5206  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 7 -7 2  
SINCE MAR 1 6 13 -7 10  
SINCE JAN 1 6 13 -7 10    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 4:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 60  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 91 2022  
MINIMUM TEMPERATURE (F) 47 30 2021  
 
SUNRISE AND SUNSET  
MAY 11 2025...........SUNRISE 5:37 AM CDT SUNSET 8:03 PM CDT  
MAY 12 2025...........SUNRISE 5:36 AM CDT SUNSET 8:04 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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