251  
CDUS43 KLOT 092244  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
444 PM CST TUE JAN 09 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 9 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 34 12:02 PM 52 2002 31 3 44  
MINIMUM 33 3:59 PM -11 1999 17 16 21  
2014  
AVERAGE 34 24 10 33  
 
PRECIPITATION (IN)  
TODAY 0.52R 0.17 2016 0.05 0.47 0.00  
MONTH TO DATE 0.66 0.40 0.26 0.95  
SINCE DEC 1 2.92 2.07 0.85 2.86  
SINCE JAN 1 0.66 0.40 0.26 0.95  
 
DEGREE DAYS  
HEATING  
TODAY 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  
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 22 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 13.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 92 12:00 AM  
AVERAGE 94  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 2018  
MINIMUM TEMPERATURE (F) 16 -7 2010  
 
SUNRISE AND SUNSET  
JANUARY 9 2024.......SUNRISE 7:20 AM CST SUNSET 4:40 PM CST  
JANUARY 10 2024.......SUNRISE 7:20 AM CST SUNSET 4:41 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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