121  
CDUS43 KLOT 310641  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
141 AM CDT SAT AUG 31 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 30 2024...  
 
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)  
YESTERDAY  
MAXIMUM 82 11:57 AM 93 2013 80 2 73  
MINIMUM 66 11:59 PM 48 2009 60 6 50  
AVERAGE 74 70 4 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 0.78 2001 0.13 0.09 0.00  
MONTH TO DATE 2.09 3.71 -1.62 1.13  
SINCE JUN 1 11.68 10.98 0.70 11.92  
SINCE JAN 1 24.32 23.24 1.08 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 6 1 5 3  
SINCE JUN 1 22 38 -16 32  
SINCE JUL 1 9 5 4 3  
 
COOLING  
YESTERDAY 9 6 3 0  
MONTH TO DATE 234 215 19 207  
SINCE JUN 1 738 662 76 623  
SINCE JAN 1 792 718 74 674    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 6.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 71 11:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 2000  
2010  
2012  
MINIMUM TEMPERATURE (F) 59 43 2009  
 
SUNRISE AND SUNSET  
AUGUST 31 2024........SUNRISE 6:18 AM CDT SUNSET 7:27 PM CDT  
SEPTEMBER 1 2024.....SUNRISE 6:19 AM CDT SUNSET 7:26 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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