041  
CDUS43 KLOT 182137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT SUN AUG 18 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 18 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 77 2:59 PM 86 2006 82 -5 77  
2016  
MINIMUM 66 1:49 AM 48 2012 62 4 54  
AVERAGE 72 72 0 66  
 
PRECIPITATION (IN)  
TODAY T 0.71 2006 0.12 -0.12 0.00  
MONTH TO DATE 1.56 2.28 -0.72 1.13  
SINCE JUN 1 11.15 9.55 1.60 11.92  
SINCE JAN 1 23.79 21.81 1.98 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 7 7 0 1  
MONTH TO DATE 131 140 -9 104  
SINCE JUN 1 635 587 48 520  
SINCE JAN 1 689 643 46 571    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 9.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 66 3:00 PM  
AVERAGE 80  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 89 2021  
MINIMUM TEMPERATURE (F) 62 51 1997  
 
SUNRISE AND SUNSET  
AUGUST 18 2024........SUNRISE 6:05 AM CDT SUNSET 7:48 PM CDT  
AUGUST 19 2024........SUNRISE 6:06 AM CDT SUNSET 7:46 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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