470  
CDUS43 KLOT 120645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1245 AM CST FRI JAN 12 2024  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JANUARY 11 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 33 5:37 AM 57 2018 30 3 54  
MINIMUM 20 8:27 PM -5 1999 16 4 33  
AVERAGE 27 23 4 44  
 
PRECIPITATION (IN)  
YESTERDAY T 0.28 2020 0.05 -0.05 0.00  
MONTH TO DATE 0.67 0.49 0.18 0.95  
SINCE DEC 1 2.93 2.16 0.77 2.86  
SINCE JAN 1 0.67 0.49 0.18 0.95  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 42 -4 21  
MONTH TO DATE 376 453 -77 328  
SINCE DEC 1 1228 1587 -359 1478  
SINCE JUL 1 2394 2873 -479 2709  
 
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 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 75 3:00 PM  
AVERAGE 86  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 60 2005  
MINIMUM TEMPERATURE (F) 16 1 2016  
 
SUNRISE AND SUNSET  
JANUARY 12 2024.......SUNRISE 7:20 AM CST SUNSET 4:43 PM CST  
JANUARY 13 2024.......SUNRISE 7:19 AM CST SUNSET 4:44 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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