601  
CDUS43 KLOT 292134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT SUN OCT 29 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 29 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 45 12:35 PM 77 1999 56 -11 67  
MINIMUM 42 10:11 AM 27 2005 37 5 33  
2010  
AVERAGE 44 47 -3 50  
 
PRECIPITATION (IN)  
TODAY T 0.53 2004 0.08 -0.08 0.00  
MONTH TO DATE 2.63 2.84 -0.21 1.70  
SINCE SEP 1 5.40 5.84 -0.44 4.05  
SINCE JAN 1 27.85 29.21 -1.36 28.78  
 
DEGREE DAYS  
HEATING  
TODAY 21 18 3 15  
MONTH TO DATE 283 369 -86 395  
SINCE SEP 1 330 469 -139 493  
SINCE JUL 1 333 480 -147 493  
 
COOLING  
TODAY 0 0 0 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 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 11.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 1:00 AM  
LOWEST 73 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 74 1999  
MINIMUM TEMPERATURE (F) 37 26 2020  
 
SUNRISE AND SUNSET  
OCTOBER 29 2023.......SUNRISE 7:22 AM CDT SUNSET 5:51 PM CDT  
OCTOBER 30 2023.......SUNRISE 7:23 AM CDT SUNSET 5:50 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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