810  
CDUS43 KLOT 172311  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
511 PM CST SAT FEB 17 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR FEBRUARY 17 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 29 3:58 PM 66 2017 35 -6 24  
MINIMUM 11 7:09 AM -5 2021 19 -8 16  
AVERAGE 20 27 -7 20  
 
PRECIPITATION (IN)  
TODAY 0.00 0.82 2008 0.04 -0.04 0.00  
MONTH TO DATE 0.10 0.68 -0.58 1.22  
SINCE DEC 1 4.43 3.62 0.81 4.99  
SINCE JAN 1 2.17 1.95 0.22 3.08  
 
DEGREE DAYS  
HEATING  
TODAY 45 38 7 45  
MONTH TO DATE 515 674 -159 602  
SINCE DEC 1 2618 3100 -482 2802  
SINCE JUL 1 3784 4386 -602 4033  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 14.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 8:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 69 2017  
MINIMUM TEMPERATURE (F) 20 -8 2006  
 
SUNRISE AND SUNSET  
FEBRUARY 17 2024......SUNRISE 6:47 AM CST SUNSET 5:28 PM CST  
FEBRUARY 18 2024......SUNRISE 6:45 AM CST SUNSET 5:29 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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