466  
CDUS43 KLOT 272133  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SAT JUL 27 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 27 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 2:41 PM 91 1997 84 0 91  
2011  
2023  
MINIMUM 57 4:12 AM 53 2013 64 -7 69  
AVERAGE 71 74 -3 80  
 
PRECIPITATION (IN)  
TODAY 0.00 0.70 2011 0.12 -0.12 0.00  
MONTH TO DATE 4.19 3.14 1.05 6.45  
SINCE JUN 1 9.22 6.79 2.43 7.62  
SINCE JAN 1 21.86 19.05 2.81 18.15  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 6 9 -3 15  
MONTH TO DATE 213 239 -26 225  
SINCE JUN 1 455 414 41 376  
SINCE JAN 1 509 470 39 427    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 43 2:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 92 2023  
MINIMUM TEMPERATURE (F) 63 53 2013  
 
SUNRISE AND SUNSET  
JULY 27 2024..........SUNRISE 5:42 AM CDT SUNSET 8:16 PM CDT  
JULY 28 2024..........SUNRISE 5:43 AM CDT SUNSET 8:15 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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