642  
CDUS43 KLOT 172134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SAT AUG 17 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 2:57 PM 87 2015 82 0 79  
MINIMUM 68 3:56 AM 51 2013 62 6 58  
AVERAGE 75 72 3 69  
 
PRECIPITATION (IN)  
TODAY 0.08 0.84 2000 0.13 -0.05 0.21  
MONTH TO DATE 1.56 2.16 -0.60 1.13  
SINCE JUN 1 11.15 9.43 1.72 11.92  
SINCE JAN 1 23.79 21.69 2.10 22.45  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 18 37 -19 29  
SINCE JUL 1 5 4 1 0  
 
COOLING  
TODAY 10 7 3 4  
MONTH TO DATE 124 133 -9 103  
SINCE JUN 1 628 580 48 519  
SINCE JAN 1 682 636 46 570    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 61 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 86 2006  
2016  
MINIMUM TEMPERATURE (F) 62 48 2012  
 
SUNRISE AND SUNSET  
AUGUST 17 2024........SUNRISE 6:04 AM CDT SUNSET 7:49 PM CDT  
AUGUST 18 2024........SUNRISE 6:05 AM CDT SUNSET 7:48 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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