444  
CDUS43 KLOT 050633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT THU OCT 05 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 81 12:11 PM 87 2005 68 13 73  
MINIMUM 66 6:15 AM 31 2004 46 20 38  
AVERAGE 74 57 17 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.98 2001 0.11 -0.06 0.00  
MONTH TO DATE 0.05 0.43 -0.38 0.00  
SINCE SEP 1 2.82 3.43 -0.61 2.35  
SINCE JAN 1 25.27 26.80 -1.53 27.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 9  
MONTH TO DATE 0 32 -32 36  
SINCE SEP 1 47 132 -85 134  
SINCE JUL 1 50 143 -93 134  
 
COOLING  
YESTERDAY 9 1 8 0  
MONTH TO DATE 25 4 21 0  
SINCE SEP 1 126 92 34 122  
SINCE JAN 1 800 816 -16 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 11:00 PM  
LOWEST 47 4:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 85 1997  
2007  
MINIMUM TEMPERATURE (F) 46 27 2004  
 
SUNRISE AND SUNSET  
OCTOBER 5 2023.......SUNRISE 6:54 AM CDT SUNSET 6:28 PM CDT  
OCTOBER 6 2023.......SUNRISE 6:55 AM CDT SUNSET 6:26 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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