853  
CDUS43 KLOT 032136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT THU AUG 03 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 2:58 PM 95 2012 83 2 90  
MINIMUM 62 4:05 AM 54 2000 63 -1 73  
AVERAGE 74 73 1 82  
 
PRECIPITATION (IN)  
TODAY 0.00 1.45 2010 0.14 -0.14 T  
MONTH TO DATE T 0.42 -0.42 0.12  
SINCE JUN 1 10.79 7.69 3.10 6.23  
SINCE JAN 1 21.32 19.95 1.37 20.91  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 37 -8 13  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
TODAY 9 8 1 17  
MONTH TO DATE 26 24 2 38  
SINCE JUN 1 442 471 -29 518  
SINCE JAN 1 493 527 -34 639    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 5:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2018  
MINIMUM TEMPERATURE (F) 63 53 2000  
 
SUNRISE AND SUNSET  
AUGUST 3 2023........SUNRISE 5:49 AM CDT SUNSET 8:09 PM CDT  
AUGUST 4 2023........SUNRISE 5:50 AM CDT SUNSET 8:08 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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