818  
CDUS43 KLOT 112146  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
446 PM CDT TUE JUL 11 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 11 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 1:11 PM 90 2005 84 1 85  
MINIMUM 68 3:21 AM 50 1997 63 5 70  
AVERAGE 77 74 3 78  
 
PRECIPITATION (IN)  
TODAY 0.40 0.93 2010 0.12 0.28 0.04  
MONTH TO DATE 2.50 1.21 1.29 1.01  
SINCE JUN 1 3.67 4.86 -1.19 2.96  
SINCE JAN 1 14.20 17.12 -2.92 17.64  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 33 -4 13  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 12 9 3 13  
MONTH TO DATE 94 95 -1 105  
SINCE JUN 1 245 270 -25 301  
SINCE JAN 1 296 326 -30 422    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 2:00 PM  
LOWEST 58 10:00 AM  
AVERAGE 75  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 90 2012  
MINIMUM TEMPERATURE (F) 63 54 2002  
 
SUNRISE AND SUNSET  
JULY 11 2023..........SUNRISE 5:28 AM CDT SUNSET 8:29 PM CDT  
JULY 12 2023..........SUNRISE 5:28 AM CDT SUNSET 8:28 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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