839  
CDUS43 KLOT 190637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
137 AM CDT FRI JUN 19 2026  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 18 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 72 5:36 PM 93 2018 82 -10 79  
MINIMUM 60 11:59 PM 45 1999 60 0 66  
2005  
AVERAGE 66 71 -5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.97 2014 0.12 -0.12 0.60  
MONTH TO DATE 5.06 2.33 2.73 1.92  
SINCE JUN 1 5.06 2.33 2.73 1.92  
SINCE JAN 1 17.94 14.59 3.35 9.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 17 29 -12 18  
SINCE JUN 1 17 29 -12 18  
SINCE JUL 1 5923 6359 -436 5676  
 
COOLING  
YESTERDAY 1 6 -5 8  
MONTH TO DATE 98 87 11 76  
SINCE JUN 1 98 87 11 76  
SINCE JAN 1 157 143 14 109    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 51 5:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2012  
MINIMUM TEMPERATURE (F) 60 45 2003  
 
SUNRISE AND SUNSET  
JUNE 19 2026..........SUNRISE 5:18 AM CDT SUNSET 8:31 PM CDT  
JUNE 20 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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