665  
CDUS43 KLOT 240635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT TUE OCT 24 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 65 3:08 PM 78 2022 59 6 78  
MINIMUM 38 1:24 AM 28 2005 40 -2 59  
AVERAGE 52 49 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 2004 0.10 -0.10 T  
MONTH TO DATE 2.28 2.31 -0.03 0.91  
SINCE SEP 1 5.05 5.31 -0.26 3.26  
SINCE JAN 1 27.50 28.68 -1.18 27.99  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 16 -3 0  
MONTH TO DATE 228 266 -38 308  
SINCE SEP 1 275 366 -91 406  
SINCE JUL 1 278 377 -99 406  
 
COOLING  
YESTERDAY 0 0 0 4  
MONTH TO DATE 25 9 16 5  
SINCE SEP 1 126 97 29 127  
SINCE JAN 1 800 821 -21 950    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 9.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 46 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 2012  
MINIMUM TEMPERATURE (F) 39 25 1999  
 
SUNRISE AND SUNSET  
OCTOBER 24 2023.......SUNRISE 7:16 AM CDT SUNSET 5:58 PM CDT  
OCTOBER 25 2023.......SUNRISE 7:17 AM CDT SUNSET 5:57 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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