342  
CDUS43 KLOT 272134  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
434 PM CDT FRI OCT 27 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 27 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 70 2:02 PM 77 2014 57 13 55  
MINIMUM 62 7:41 AM 23 1997 38 24 31  
AVERAGE 66 48 18 43  
 
PRECIPITATION (IN)  
TODAY T 0.55 1998 0.09 -0.09 0.00  
MONTH TO DATE 2.57 2.67 -0.10 1.70  
SINCE SEP 1 5.34 5.67 -0.33 4.05  
SINCE JAN 1 27.79 29.04 -1.25 28.78  
 
DEGREE DAYS  
HEATING  
TODAY 0 17 -17 22  
MONTH TO DATE 231 333 -102 364  
SINCE SEP 1 278 433 -155 462  
SINCE JUL 1 281 444 -163 462  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 28 9 19 9  
SINCE SEP 1 129 97 32 131  
SINCE JAN 1 803 821 -18 954    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 8:00 AM  
LOWEST 84 1:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 1999  
MINIMUM TEMPERATURE (F) 38 21 1997  
 
SUNRISE AND SUNSET  
OCTOBER 27 2023.......SUNRISE 7:19 AM CDT SUNSET 5:54 PM CDT  
OCTOBER 28 2023.......SUNRISE 7:20 AM CDT SUNSET 5:53 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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