945  
CDUS43 KLOT 130638  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
138 AM CDT THU JUL 13 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 12 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 5:37 PM 90 2012 84 -6 86  
MINIMUM 61 5:04 AM 54 2002 63 -2 66  
AVERAGE 70 74 -4 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.95 1.10 2014 0.12 0.83 0.00  
MONTH TO DATE 3.94 1.33 2.61 1.01  
SINCE JUN 1 5.11 4.98 0.13 2.96  
SINCE JAN 1 15.64 17.24 -1.60 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 11  
MONTH TO DATE 96 104 -8 116  
SINCE JUN 1 247 279 -32 312  
SINCE JAN 1 298 335 -37 433    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 9:00 AM  
LOWEST 66 1:00 AM  
AVERAGE 82  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2019  
MINIMUM TEMPERATURE (F) 63 52 2002  
2007  
 
SUNRISE AND SUNSET  
JULY 13 2023..........SUNRISE 5:29 AM CDT SUNSET 8:28 PM CDT  
JULY 14 2023..........SUNRISE 5:30 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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