182  
CDUS43 KLOT 180638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT SUN AUG 18 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 83 4:11 PM 87 2015 82 1 79  
MINIMUM 67 11:59 PM 51 2013 62 5 58  
AVERAGE 75 72 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 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 (310)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 56 4:00 PM  
AVERAGE 75  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 86 2006  
2016  
MINIMUM TEMPERATURE (F) 62 48 2012  
 
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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