861  
CDUS43 KLOT 200633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST SAT JAN 20 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 19 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 12 1:14 PM 55 2006 30 -18 42  
MINIMUM 2 11:59 PM -5 2008 16 -14 34  
AVERAGE 7 23 -16 38  
 
PRECIPITATION (IN)  
YESTERDAY T R T 2012 0.04 -0.04 0.07  
2012  
2015  
MONTH TO DATE 1.07 0.80 0.27 1.53  
SINCE DEC 1 3.33 2.47 0.86 3.44  
SINCE JAN 1 1.07 0.80 0.27 1.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 58 42 16 27  
MONTH TO DATE 834 789 45 555  
SINCE DEC 1 1686 1923 -237 1705  
SINCE JUL 1 2852 3209 -357 2936  
 
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 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 63 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 45 2017  
MINIMUM TEMPERATURE (F) 16 -7 2008  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 7:16 AM CST SUNSET 4:52 PM CST  
JANUARY 21 2024.......SUNRISE 7:15 AM CST SUNSET 4:54 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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