184  
CDUS43 KLOT 040650  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
150 AM CDT SAT JUL 04 2026  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 3 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 87 11:29 AM 94 2012 84 3 92  
MINIMUM 70 11:59 PM 52 2005 63 7 67  
2008  
AVERAGE 79 73 6 80  
 
PRECIPITATION (IN)  
YESTERDAY 1.02 2.73 1998 0.10 0.92 0.00  
MONTH TO DATE 3.26 0.30 2.96 0.00  
SINCE JUN 1 9.89 3.95 5.94 2.65  
SINCE JAN 1 22.77 16.21 6.56 10.71  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 24 33 -9 18  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 14 8 6 15  
MONTH TO DATE 51 24 27 40  
SINCE JUN 1 205 199 6 307  
SINCE JAN 1 264 255 9 340    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 74 4:00 PM  
AVERAGE 86  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2012  
MINIMUM TEMPERATURE (F) 63 50 2008  
 
SUNRISE AND SUNSET  
JULY 4 2026..........SUNRISE 5:23 AM CDT SUNSET 8:31 PM CDT  
JULY 5 2026..........SUNRISE 5:24 AM CDT SUNSET 8:31 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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