265  
CDUS43 KLOT 282237  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CST THU DEC 28 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 38 3:59 PM 52 2018 32 6 45  
MINIMUM 32 2:09 AM -6 2017 19 13 24  
AVERAGE 35 25 10 35  
 
PRECIPITATION (IN)  
TODAY T 1.17 2015 0.04 -0.04 0.00  
MONTH TO DATE 2.24 1.53 0.71 1.91  
SINCE DEC 1 2.24 1.53 0.71 1.91  
SINCE JAN 1 30.90 33.09 -2.19 31.75  
 
DEGREE DAYS  
HEATING  
TODAY 30 40 -10 30  
MONTH TO DATE 753 1014 -261 1076  
SINCE DEC 1 753 1014 -261 1076  
SINCE JUL 1 1919 2300 -381 2307  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 PM  
LOWEST 75 3:00 AM  
AVERAGE 86  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 58 2022  
MINIMUM TEMPERATURE (F) 18 0 2009  
 
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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