615  
CDUS43 KLOT 160632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT SUN JUL 16 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 15 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 83 4:05 PM 94 2006 84 -1 73  
MINIMUM 67 11:26 PM 53 2014 64 3 64  
AVERAGE 75 74 1 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.40 2021 0.12 -0.10 0.91  
MONTH TO DATE 5.27 1.69 3.58 1.92  
SINCE JUN 1 6.44 5.34 1.10 3.87  
SINCE JAN 1 16.97 17.60 -0.63 18.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 33 -4 13  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 10 9 1 4  
MONTH TO DATE 123 131 -8 132  
SINCE JUN 1 274 306 -32 328  
SINCE JAN 1 325 362 -37 449    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 8.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 56 6:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 2012  
MINIMUM TEMPERATURE (F) 64 51 2014  
 
SUNRISE AND SUNSET  
JULY 16 2023..........SUNRISE 5:32 AM CDT SUNSET 8:26 PM CDT  
JULY 17 2023..........SUNRISE 5:32 AM CDT SUNSET 8:25 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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