529  
CDUS43 KLOT 302232  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST SAT DEC 30 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 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 35 3:59 PM 59 2002 32 3 56  
MINIMUM 22 6:47 AM -6 2017 18 4 25  
AVERAGE 29 25 4 41  
 
PRECIPITATION (IN)  
TODAY 0.00 0.19 2005 0.04 -0.04 0.00  
MONTH TO DATE 2.25 1.62 0.63 1.91  
SINCE DEC 1 2.25 1.62 0.63 1.91  
SINCE JAN 1 30.91 33.18 -2.27 31.75  
 
DEGREE DAYS  
HEATING  
TODAY 36 40 -4 24  
MONTH TO DATE 820 1094 -274 1115  
SINCE DEC 1 820 1094 -274 1115  
SINCE JUL 1 1986 2380 -394 2346  
 
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 SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 92 3:00 PM  
AVERAGE 96  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 56 2006  
MINIMUM TEMPERATURE (F) 18 -5 2017  
 
SUNRISE AND SUNSET  
DECEMBER 30 2023......SUNRISE 7:20 AM CST SUNSET 4:31 PM CST  
DECEMBER 31 2023......SUNRISE 7:21 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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