671  
CDUS43 KLOT 170633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1233 AM CST FRI NOV 17 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 16 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 65R 2:00 PM 63 2001 47 18 35  
MINIMUM 34 6:54 AM 12 1997 31 3 32  
AVERAGE 50 39 11 34  
 
PRECIPITATION (IN)  
YESTERDAY T 0.24 2013 0.07 -0.07 0.06  
MONTH TO DATE 0.02 1.20 -1.18 0.68  
SINCE SEP 1 5.44 7.19 -1.75 4.83  
SINCE JAN 1 27.89 30.56 -2.67 29.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 26 -11 31  
MONTH TO DATE 319 363 -44 279  
SINCE SEP 1 720 870 -150 797  
SINCE JUL 1 723 881 -158 797  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 128 99 29 132  
SINCE JAN 1 802 823 -21 955    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1:00 AM  
LOWEST 47 1:00 PM  
AVERAGE 70  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 72 2016  
MINIMUM TEMPERATURE (F) 31 10 2014  
 
SUNRISE AND SUNSET  
NOVEMBER 17 2023......SUNRISE 6:45 AM CST SUNSET 4:31 PM CST  
NOVEMBER 18 2023......SUNRISE 6:46 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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