690  
CDUS43 KLOT 192135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT THU OCT 19 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 19 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 58 2:53 PM 75 2000 61 -3 47  
MINIMUM 47 4:34 AM 28 1997 41 6 31  
AVERAGE 53 51 2 39  
 
PRECIPITATION (IN)  
TODAY 0.01 0.15 2011 0.09 -0.08 0.00  
MONTH TO DATE 2.11 1.94 0.17 0.91  
SINCE SEP 1 4.88 4.94 -0.06 3.26  
SINCE JAN 1 27.33 28.31 -0.98 27.99  
 
DEGREE DAYS  
HEATING  
TODAY 12 14 -2 26  
MONTH TO DATE 170 205 -35 279  
SINCE SEP 1 217 305 -88 377  
SINCE JUL 1 220 316 -96 377  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 25 9 16 0  
SINCE SEP 1 126 97 29 122  
SINCE JAN 1 800 821 -21 945    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 4:00 AM  
LOWEST 81 3:00 PM  
AVERAGE 91  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 2003  
MINIMUM TEMPERATURE (F) 41 26 2018  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 7:10 AM CDT SUNSET 6:06 PM CDT  
OCTOBER 20 2023.......SUNRISE 7:11 AM CDT SUNSET 6:04 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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