154  
CDUS43 KLOT 270633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST WED DEC 27 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR DECEMBER 26 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 47 12:01 AM 61 2019 33 14 21  
MINIMUM 27 11:59 PM -6 2017 19 8 4  
AVERAGE 37 26 11 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.35 2015 0.04 -0.03 T  
MONTH TO DATE 2.24 1.44 0.80 1.91  
SINCE DEC 1 2.24 1.44 0.80 1.91  
SINCE JAN 1 30.90 33.00 -2.10 31.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 39 -11 52  
MONTH TO DATE 692 934 -242 994  
SINCE DEC 1 692 934 -242 994  
SINCE JUL 1 1858 2220 -362 2225  
 
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 SW (210)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 78 5:00 PM  
AVERAGE 88  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 60 2008  
MINIMUM TEMPERATURE (F) 19 -8 2017  
 
SUNRISE AND SUNSET  
DECEMBER 27 2023......SUNRISE 7:20 AM CST SUNSET 4:28 PM CST  
DECEMBER 28 2023......SUNRISE 7:20 AM CST SUNSET 4:29 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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