597  
CDUS43 KLOT 130638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT FRI OCT 13 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 60 10:41 PM 84 2008 64 -4 65  
MINIMUM 53 6:41 AM 30 2006 43 10 46  
AVERAGE 57 54 3 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 0.54 2001 0.11 0.27 0.28  
MONTH TO DATE 1.01 1.26 -0.25 0.89  
SINCE SEP 1 3.78 4.26 -0.48 3.24  
SINCE JAN 1 26.23 27.63 -1.40 27.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 12 -4 9  
MONTH TO DATE 72 114 -42 123  
SINCE SEP 1 119 214 -95 221  
SINCE JUL 1 122 225 -103 221  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 25 9 16 0  
SINCE SEP 1 126 97 29 122  
SINCE JAN 1 800 821 -21 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 10.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 81 11:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 78 2008  
MINIMUM TEMPERATURE (F) 43 31 2002  
2006  
2018  
 
SUNRISE AND SUNSET  
OCTOBER 13 2023.......SUNRISE 7:03 AM CDT SUNSET 6:15 PM CDT  
OCTOBER 14 2023.......SUNRISE 7:04 AM CDT SUNSET 6:13 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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