165  
CDUS43 KLOT 122147  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
447 PM CDT THU OCT 12 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 12 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 59 2:44 PM 84 2008 64 -5 65  
MINIMUM 53 6:41 AM 30 2006 43 10 46  
AVERAGE 56 54 2 56  
 
PRECIPITATION (IN)  
TODAY 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  
TODAY 9 12 -3 9  
MONTH TO DATE 73 114 -41 123  
SINCE SEP 1 120 214 -94 221  
SINCE JUL 1 123 225 -102 221  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 6:00 AM  
LOWEST 83 1:00 PM  
AVERAGE 92  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 78 2008  
MINIMUM TEMPERATURE (F) 43 31 2002  
2006  
2018  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 7:02 AM CDT SUNSET 6:17 PM CDT  
OCTOBER 13 2023.......SUNRISE 7:03 AM CDT SUNSET 6:15 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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