706  
CDUS43 KLOT 290634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST FRI DEC 29 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 10:37 PM 52 2018 32 7 45  
MINIMUM 32 2:09 AM -6 2017 19 13 24  
AVERAGE 36 25 11 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.17 2015 0.04 -0.03 0.00  
MONTH TO DATE 2.25 1.53 0.72 1.91  
SINCE DEC 1 2.25 1.53 0.72 1.91  
SINCE JAN 1 30.91 33.09 -2.18 31.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 40 -11 30  
MONTH TO DATE 752 1014 -262 1076  
SINCE DEC 1 752 1014 -262 1076  
SINCE JUL 1 1918 2300 -382 2307  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 802 823 -21 955    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 12.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 PM  
LOWEST 75 3:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 58 2022  
MINIMUM TEMPERATURE (F) 18 0 2009  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 7:20 AM CST SUNSET 4:30 PM CST  
DECEMBER 30 2023......SUNRISE 7:20 AM CST SUNSET 4:31 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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