604  
CDUS43 KLOT 190643  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
143 AM CDT FRI JUL 19 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 18 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 76 5:12 PM 96 2012 84 -8 80  
MINIMUM 57 4:37 AM 55 2004 64 -7 56  
2017  
2018  
AVERAGE 67 74 -7 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 2007 0.12 -0.12 0.00  
MONTH TO DATE 4.11 2.04 2.07 5.27  
SINCE JUN 1 9.14 5.69 3.45 6.44  
SINCE JAN 1 21.78 17.95 3.83 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 2 9 -7 3  
MONTH TO DATE 160 158 2 139  
SINCE JUN 1 402 333 69 290  
SINCE JAN 1 456 389 67 341    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 42 5:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2011  
MINIMUM TEMPERATURE (F) 64 54 2014  
 
SUNRISE AND SUNSET  
JULY 19 2024..........SUNRISE 5:35 AM CDT SUNSET 8:23 PM CDT  
JULY 20 2024..........SUNRISE 5:36 AM CDT SUNSET 8:23 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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