109  
CDUS43 KLOT 212234  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CST SUN JAN 21 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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 19 3:46 PM 59 2017 30 -11 31  
MINIMUM -7R 7:33 AM -7 2011 15 -22 27  
AVERAGE 6 23 -17 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.20 2005 0.04 -0.04 0.00  
MONTH TO DATE 1.07 0.88 0.19 1.53  
SINCE DEC 1 3.33 2.55 0.78 3.44  
SINCE JAN 1 1.07 0.88 0.19 1.53  
 
DEGREE DAYS  
HEATING  
TODAY 59 42 17 36  
MONTH TO DATE 952 873 79 624  
SINCE DEC 1 1804 2007 -203 1774  
SINCE JUL 1 2970 3293 -323 3005  
 
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 21 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 2018  
MINIMUM TEMPERATURE (F) 15 -3 2013  
2014  
 
SUNRISE AND SUNSET  
JANUARY 21 2024.......SUNRISE 7:15 AM CST SUNSET 4:54 PM CST  
JANUARY 22 2024.......SUNRISE 7:14 AM CST SUNSET 4:55 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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