376  
CDUS43 KLOT 060636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT FRI OCT 06 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 5 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 72 3:40 PM 85 1997 68 4 76  
2007  
MINIMUM 54 11:59 PM 27 2004 46 8 42  
AVERAGE 63 57 6 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 1.32 2018 0.10 0.09 0.00  
MONTH TO DATE 0.24 0.53 -0.29 0.00  
SINCE SEP 1 3.01 3.53 -0.52 2.35  
SINCE JAN 1 25.46 26.90 -1.44 27.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 9 -7 6  
MONTH TO DATE 2 41 -39 42  
SINCE SEP 1 49 141 -92 140  
SINCE JUL 1 52 152 -100 140  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 25 5 20 0  
SINCE SEP 1 126 93 33 122  
SINCE JAN 1 800 817 -17 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 44 4:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 88 2007  
MINIMUM TEMPERATURE (F) 46 30 2001  
 
SUNRISE AND SUNSET  
OCTOBER 6 2023.......SUNRISE 6:55 AM CDT SUNSET 6:26 PM CDT  
OCTOBER 7 2023.......SUNRISE 6:56 AM CDT SUNSET 6:25 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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