780  
CDUS43 KLOT 192148  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
448 PM CDT WED JUL 19 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 19 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 84 3:00 PM 97 2011 84 0 88  
MINIMUM 56 MM 54 2014 64 -8 67  
AVERAGE 70 74 -4 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.44 2008 0.11 -0.11 0.00  
MONTH TO DATE 5.27 2.15 3.12 1.92  
SINCE JUN 1 6.44 5.80 0.64 3.87  
SINCE JAN 1 16.97 18.06 -1.09 18.55  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 5 9 -4 13  
MONTH TO DATE 144 167 -23 174  
SINCE JUN 1 295 342 -47 370  
SINCE JAN 1 346 398 -52 491    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 3.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 2:00 AM  
LOWEST 36 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 2011  
MINIMUM TEMPERATURE (F) 64 54 2009  
 
SUNRISE AND SUNSET  
JULY 19 2023..........SUNRISE 5:34 AM CDT SUNSET 8:24 PM CDT  
JULY 20 2023..........SUNRISE 5:35 AM CDT SUNSET 8:23 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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