098  
CDUS43 KLOT 100640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1240 AM CST WED JAN 10 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 9 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 34 10:23 PM 52 2002 31 3 44  
MINIMUM 33 11:59 PM -11 1999 17 16 21  
2014  
AVERAGE 34 24 10 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.53R 0.17 2016 0.05 0.48 0.00  
MONTH TO DATE 0.67 0.40 0.27 0.95  
SINCE DEC 1 2.93 2.07 0.86 2.86  
SINCE JAN 1 0.67 0.40 0.27 0.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 42 -11 32  
MONTH TO DATE 305 369 -64 281  
SINCE DEC 1 1157 1503 -346 1431  
SINCE JUL 1 2323 2789 -466 2662  
 
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 NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 88 11:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 2018  
MINIMUM TEMPERATURE (F) 16 -7 2010  
 
SUNRISE AND SUNSET  
JANUARY 10 2024.......SUNRISE 7:20 AM CST SUNSET 4:41 PM CST  
JANUARY 11 2024.......SUNRISE 7:20 AM CST SUNSET 4:42 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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