862  
CDUS43 KLOT 220635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT SUN JUN 22 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 21 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 94 3:11 PM 98 2022 82 12 92  
MINIMUM 74 4:31 AM 46 2003 61 13 66  
AVERAGE 84 71 13 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 2018 0.11 -0.11 0.00  
MONTH TO DATE 2.07 2.67 -0.60 2.40  
SINCE JUN 1 2.07 2.67 -0.60 2.40  
SINCE JAN 1 10.13 14.93 -4.80 15.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 18 30 -12 11  
SINCE JUN 1 18 30 -12 11  
SINCE JUL 1 5675 6360 -685 5253  
 
COOLING  
YESTERDAY 19 7 12 14  
MONTH TO DATE 116 107 9 171  
SINCE JUN 1 116 107 9 171  
SINCE JAN 1 149 163 -14 225    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 17.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 6:00 AM  
LOWEST 54 4:00 PM  
AVERAGE 68  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 92 2024  
MINIMUM TEMPERATURE (F) 61 48 2021  
 
SUNRISE AND SUNSET  
JUNE 22 2025..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 23 2025..........SUNRISE 5:18 AM CDT SUNSET 8:32 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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