460  
CDUS43 KLOT 150635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1235 AM CST WED JAN 15 2025  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 14 2025...  
 
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)  
YESTERDAY  
MAXIMUM 16 7:48 AM 40 2016 30 -14 -1  
MINIMUM 6 11:59 PM -13 2024 16 -10 -13  
AVERAGE 11 23 -12 -7  
 
PRECIPITATION (IN)  
YESTERDAY T 0.34 2007 0.04 -0.04 T  
MONTH TO DATE 0.07 0.60 -0.53 1.07  
SINCE DEC 1 1.14 2.27 -1.13 3.33  
SINCE JAN 1 0.07 0.60 -0.53 1.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 54 42 12 72  
MONTH TO DATE 615 579 36 532  
SINCE DEC 1 1570 1713 -143 1384  
SINCE JUL 1 2484 2999 -515 2550  
 
COOLING  
YESTERDAY 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 N (340)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
BLOWING SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 51 2:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 44 2023  
MINIMUM TEMPERATURE (F) 16 -17 2009  
 
SUNRISE AND SUNSET  
JANUARY 15 2025.......SUNRISE 7:18 AM CST SUNSET 4:47 PM CST  
JANUARY 16 2025.......SUNRISE 7:18 AM CST SUNSET 4:49 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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