634  
CDUS43 KLOT 220637  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1237 AM CST MON JAN 22 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 21 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 21 11:59 PM 59 2017 30 -9 31  
MINIMUM -7R 7:33 AM -7 2011 15 -22 27  
AVERAGE 7 23 -16 29  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 58 42 16 36  
MONTH TO DATE 951 873 78 624  
SINCE DEC 1 1803 2007 -204 1774  
SINCE JUL 1 2969 3293 -324 3005  
 
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 S (190)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 2018  
MINIMUM TEMPERATURE (F) 15 -3 2013  
2014  
 
SUNRISE AND SUNSET  
JANUARY 22 2024.......SUNRISE 7:14 AM CST SUNSET 4:55 PM CST  
JANUARY 23 2024.......SUNRISE 7:14 AM CST SUNSET 4:56 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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