452  
CDUS43 KLOT 012136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT TUE AUG 01 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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 84 2:02 PM 96 2006 83 1 85  
MINIMUM 64 5:22 AM 51 1998 63 1 67  
AVERAGE 74 73 1 76  
 
PRECIPITATION (IN)  
TODAY T 0.20 2000 0.14 -0.14 0.12  
MONTH TO DATE T 0.14 -0.14 0.12  
SINCE JUN 1 10.79 7.41 3.38 6.23  
SINCE JAN 1 21.32 19.67 1.65 20.91  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 37 -8 13  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
TODAY 9 8 1 11  
MONTH TO DATE 9 8 1 11  
SINCE JUN 1 425 455 -30 491  
SINCE JAN 1 476 511 -35 612    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 6:00 AM  
LOWEST 55 3:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 2006  
MINIMUM TEMPERATURE (F) 63 54 2009  
2021  
 
SUNRISE AND SUNSET  
AUGUST 1 2023........SUNRISE 5:47 AM CDT SUNSET 8:12 PM CDT  
AUGUST 2 2023........SUNRISE 5:48 AM CDT SUNSET 8:10 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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