249  
CDUS43 KLOT 122137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT WED JUL 12 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JULY 12 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 71 2:59 PM 90 2012 84 -13 86  
MINIMUM 61 5:04 AM 54 2002 63 -2 66  
AVERAGE 66 74 -8 76  
 
PRECIPITATION (IN)  
TODAY 0.94 1.10 2014 0.12 0.82 0.00  
MONTH TO DATE 3.93 1.33 2.60 1.01  
SINCE JUN 1 5.10 4.98 0.12 2.96  
SINCE JAN 1 15.63 17.24 -1.61 17.64  
 
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 1 9 -8 11  
MONTH TO DATE 92 104 -12 116  
SINCE JUN 1 243 279 -36 312  
SINCE JAN 1 294 335 -41 433    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 95 2019  
MINIMUM TEMPERATURE (F) 63 52 2002  
2007  
 
SUNRISE AND SUNSET  
JULY 12 2023..........SUNRISE 5:28 AM CDT SUNSET 8:28 PM CDT  
JULY 13 2023..........SUNRISE 5:29 AM CDT SUNSET 8:28 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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