257  
CDUS43 KLOT 090634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST TUE JAN 09 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 8 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 36 2:21 PM 56 2008 31 5 31  
MINIMUM 28 5:22 AM -11 2014 17 11 25  
AVERAGE 32 24 8 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.52 2008 0.04 -0.03 0.00  
MONTH TO DATE 0.14 0.35 -0.21 0.95  
SINCE DEC 1 2.40 2.02 0.38 2.86  
SINCE JAN 1 0.14 0.35 -0.21 0.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 41 -8 37  
MONTH TO DATE 274 327 -53 249  
SINCE DEC 1 1126 1461 -335 1399  
SINCE JUL 1 2292 2747 -455 2630  
 
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 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 10:00 PM  
LOWEST 75 1:00 PM  
AVERAGE 84  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 52 2002  
MINIMUM TEMPERATURE (F) 17 -11 1999  
2014  
 
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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