303  
CDUS43 KLOT 220636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT MON JUN 22 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 21 2026...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 10:14 AM 98 2022 82 -13 94  
MINIMUM 57 3:59 AM 46 2003 61 -4 74  
AVERAGE 63 71 -8 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.95R 0.93 2018 0.11 0.84 0.00  
MONTH TO DATE 6.02 2.67 3.35 2.07  
SINCE JUN 1 6.02 2.67 3.35 2.07  
SINCE JAN 1 18.90 14.93 3.97 10.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 0 2 0  
MONTH TO DATE 19 30 -11 18  
SINCE JUN 1 19 30 -11 18  
SINCE JUL 1 5925 6360 -435 5676  
 
COOLING  
YESTERDAY 0 7 -7 19  
MONTH TO DATE 102 107 -5 116  
SINCE JUN 1 102 107 -5 116  
SINCE JAN 1 161 163 -2 149    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 PM  
LOWEST 70 9:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 94 2025  
MINIMUM TEMPERATURE (F) 61 48 2021  
 
SUNRISE AND SUNSET  
JUNE 22 2026..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 23 2026..........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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