220  
CDUS43 KLOT 260634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT FRI JUL 26 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 25 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 80 3:13 PM 97 2012 84 -4 88  
MINIMUM 58 5:12 AM 53 2013 64 -6 64  
2014  
AVERAGE 69 74 -5 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 2005 0.12 -0.12 0.00  
MONTH TO DATE 4.19 2.90 1.29 6.30  
SINCE JUN 1 9.22 6.55 2.67 7.47  
SINCE JAN 1 21.86 18.81 3.05 18.00  
 
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 4 9 -5 11  
MONTH TO DATE 204 221 -17 194  
SINCE JUN 1 446 396 50 345  
SINCE JAN 1 500 452 48 396    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 47 2:00 PM  
AVERAGE 72  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 1997  
MINIMUM TEMPERATURE (F) 64 54 1998  
2004  
 
SUNRISE AND SUNSET  
JULY 26 2024..........SUNRISE 5:41 AM CDT SUNSET 8:17 PM CDT  
JULY 27 2024..........SUNRISE 5:42 AM CDT SUNSET 8:16 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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