816  
CDUS43 KLOT 040635  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT TUE JUL 04 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 3 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 88 4:29 PM 94 2012 84 4 90  
MINIMUM 61 4:49 AM 52 2005 63 -2 63  
2008  
AVERAGE 75 73 2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.73 1998 0.10 -0.10 0.00  
MONTH TO DATE 0.93 0.30 0.63 T  
SINCE JUN 1 2.10 3.95 -1.85 1.95  
SINCE JAN 1 12.63 16.21 -3.58 16.63  
 
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 8 2 12  
MONTH TO DATE 27 24 3 28  
SINCE JUN 1 178 199 -21 224  
SINCE JAN 1 229 255 -26 345    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 45 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 98 2012  
MINIMUM TEMPERATURE (F) 63 50 2008  
 
SUNRISE AND SUNSET  
JULY 4 2023..........SUNRISE 5:23 AM CDT SUNSET 8:32 PM CDT  
JULY 5 2023..........SUNRISE 5:24 AM CDT SUNSET 8:31 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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