505  
CDUS43 KLOT 172236  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CST FRI JAN 17 2025  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 17 2025...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 3:17 PM 48 2023 30 16 19  
MINIMUM 20 3:22 AM -4 2018 16 4 -1  
AVERAGE 33 23 10 9  
 
PRECIPITATION (IN)  
TODAY 0.00 0.34 2017 0.04 -0.04 0.00  
MONTH TO DATE 0.07 0.72 -0.65 1.07  
SINCE DEC 1 1.14 2.39 -1.25 3.33  
SINCE JAN 1 0.07 0.72 -0.65 1.07  
 
DEGREE DAYS  
HEATING  
TODAY 32 42 -10 56  
MONTH TO DATE 739 705 34 729  
SINCE DEC 1 1694 1839 -145 1581  
SINCE JUL 1 2608 3125 -517 2747  
 
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 24 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 12.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 2:00 AM  
LOWEST 57 12:00 PM  
AVERAGE 73  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 42 2013  
2022  
MINIMUM TEMPERATURE (F) 16 -5 2016  
 
SUNRISE AND SUNSET  
JANUARY 17 2025.......SUNRISE 7:17 AM CST SUNSET 4:50 PM CST  
JANUARY 18 2025.......SUNRISE 7:17 AM CST SUNSET 4:51 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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