047  
CDUS43 KLOT 170635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT WED JUL 17 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 16 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 84 4:30 PM 96 2012 84 0 80  
MINIMUM 67 3:31 AM 51 2014 64 3 63  
AVERAGE 76 74 2 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.99 2019 0.12 -0.12 0.00  
MONTH TO DATE 4.11 1.81 2.30 5.27  
SINCE JUN 1 9.14 5.46 3.68 6.44  
SINCE JAN 1 21.78 17.72 4.06 16.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 3 0 3 0  
SINCE JUN 1 16 33 -17 29  
SINCE JUL 1 3 0 3 0  
 
COOLING  
YESTERDAY 11 9 2 7  
MONTH TO DATE 153 140 13 130  
SINCE JUN 1 395 315 80 281  
SINCE JAN 1 449 371 78 332    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 63 4:00 PM  
AVERAGE 78  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2012  
MINIMUM TEMPERATURE (F) 64 52 2014  
 
SUNRISE AND SUNSET  
JULY 17 2024..........SUNRISE 5:33 AM CDT SUNSET 8:25 PM CDT  
JULY 18 2024..........SUNRISE 5:34 AM CDT SUNSET 8:24 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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