794  
CDUS43 KLOT 270635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT FRI OCT 27 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 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 69 12:23 PM 75 2000 58 11 54  
MINIMUM 62 9:22 AM 31 2013 39 23 32  
AVERAGE 66 48 18 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.70 2019 0.09 0.01 T  
MONTH TO DATE 2.57 2.58 -0.01 1.70  
SINCE SEP 1 5.34 5.58 -0.24 4.05  
SINCE JAN 1 27.79 28.95 -1.16 28.78  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 17 -17 22  
MONTH TO DATE 231 316 -85 342  
SINCE SEP 1 278 416 -138 440  
SINCE JUL 1 281 427 -146 440  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 27 9 18 9  
SINCE SEP 1 128 97 31 131  
SINCE JAN 1 802 821 -19 954    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 12.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 73 12:00 PM  
AVERAGE 85  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 77 2014  
MINIMUM TEMPERATURE (F) 38 23 1997  
 
SUNRISE AND SUNSET  
OCTOBER 27 2023.......SUNRISE 7:19 AM CDT SUNSET 5:54 PM CDT  
OCTOBER 28 2023.......SUNRISE 7:20 AM CDT SUNSET 5:53 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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