530  
CDUS43 KLOT 272139  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
439 PM CDT SUN AUG 27 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 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 77 12:48 PM 93 2020 81 -4 82  
MINIMUM 56 5:02 AM 47 2015 60 -4 55  
AVERAGE 67 70 -3 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.80 2016 0.13 -0.13 0.00  
MONTH TO DATE 1.13 3.34 -2.21 3.36  
SINCE JUN 1 11.92 10.61 1.31 9.47  
SINCE JAN 1 22.45 22.87 -0.42 24.15  
 
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 2 6 -4 4  
MONTH TO DATE 200 197 3 191  
SINCE JUN 1 616 644 -28 671  
SINCE JAN 1 667 700 -33 792    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 93 2021  
MINIMUM TEMPERATURE (F) 60 54 2003  
 
SUNRISE AND SUNSET  
AUGUST 27 2023........SUNRISE 6:13 AM CDT SUNSET 7:35 PM CDT  
AUGUST 28 2023........SUNRISE 6:14 AM CDT SUNSET 7:33 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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