158  
CDUS43 KLOT 140649  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
149 AM CDT FRI JUL 14 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 13 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 78 3:31 PM 95 2019 84 -6 84  
MINIMUM 62 7:52 AM 52 2002 63 -1 62  
2007  
AVERAGE 70 74 -4 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 2012 0.12 -0.12 0.00  
MONTH TO DATE 3.94 1.45 2.49 1.01  
SINCE JUN 1 5.11 5.10 0.01 2.96  
SINCE JAN 1 15.64 17.36 -1.72 17.64  
 
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 5 9 -4 8  
MONTH TO DATE 101 113 -12 124  
SINCE JUN 1 252 288 -36 320  
SINCE JAN 1 303 344 -41 441    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2019  
MINIMUM TEMPERATURE (F) 64 52 2002  
 
SUNRISE AND SUNSET  
JULY 14 2023..........SUNRISE 5:30 AM CDT SUNSET 8:27 PM CDT  
JULY 15 2023..........SUNRISE 5:31 AM CDT SUNSET 8:27 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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