753  
CDUS43 KLOT 280634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1234 AM CST THU DEC 28 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 27 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 42 2:18 PM 60 2008 32 10 24  
MINIMUM 25 3:49 AM -8 2017 19 6 1  
AVERAGE 34 26 8 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.54 2008 0.05 -0.05 0.00  
MONTH TO DATE 2.24 1.49 0.75 1.91  
SINCE DEC 1 2.24 1.49 0.75 1.91  
SINCE JAN 1 30.90 33.05 -2.15 31.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 40 -9 52  
MONTH TO DATE 723 974 -251 1046  
SINCE DEC 1 723 974 -251 1046  
SINCE JUL 1 1889 2260 -371 2277  
 
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 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 73 1:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 52 2018  
MINIMUM TEMPERATURE (F) 19 -6 2017  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:20 AM CST SUNSET 4:29 PM CST  
DECEMBER 29 2023......SUNRISE 7:20 AM CST SUNSET 4:30 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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