427  
CDUS43 KLOT 082136  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
436 PM CDT TUE AUG 08 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 83 1:00 PM 92 2001 83 0 80  
MINIMUM 58 5:38 AM 52 1997 63 -5 65  
1999  
2017  
AVERAGE 71 73 -2 73  
 
PRECIPITATION (IN)  
TODAY T 1.07 2011 0.12 -0.12 0.57  
MONTH TO DATE 0.13 1.04 -0.91 1.40  
SINCE JUN 1 10.92 8.31 2.61 7.51  
SINCE JAN 1 21.45 20.57 0.88 22.19  
 
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 6 8 -2 8  
MONTH TO DATE 62 64 -2 98  
SINCE JUN 1 478 511 -33 578  
SINCE JAN 1 529 567 -38 699    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2005  
MINIMUM TEMPERATURE (F) 63 49 1999  
 
SUNRISE AND SUNSET  
AUGUST 8 2023........SUNRISE 5:54 AM CDT SUNSET 8:03 PM CDT  
AUGUST 9 2023........SUNRISE 5:55 AM CDT SUNSET 8:02 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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