269  
CDUS43 KLOT 260637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT FRI JUN 26 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 25 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 78 4:55 PM 95 2005 83 -5 90  
MINIMUM 59 1:12 AM 50 2004 61 -2 73  
AVERAGE 69 72 -3 82  
 
PRECIPITATION (IN)  
YESTERDAY T 1.73 2021 0.12 -0.12 0.20  
MONTH TO DATE 6.61 3.13 3.48 2.49  
SINCE JUN 1 6.61 3.13 3.48 2.49  
SINCE JAN 1 19.49 15.39 4.10 10.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 21 30 -9 18  
SINCE JUN 1 21 30 -9 18  
SINCE JUL 1 5927 6360 -433 5676  
 
COOLING  
YESTERDAY 4 8 -4 17  
MONTH TO DATE 107 136 -29 193  
SINCE JUN 1 107 136 -29 193  
SINCE JAN 1 166 192 -26 226    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 48 1:00 PM  
AVERAGE 74  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2005  
MINIMUM TEMPERATURE (F) 62 49 2012  
 
SUNRISE AND SUNSET  
JUNE 26 2026..........SUNRISE 5:19 AM CDT SUNSET 8:32 PM CDT  
JUNE 27 2026..........SUNRISE 5:20 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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