853  
CDUS43 KLOT 292151  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
451 PM CDT THU JUN 29 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 29 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 86 11:43 AM 93 2018 83 3 89  
MINIMUM 68 12:21 AM 50 2016 62 6 63  
AVERAGE 77 73 4 76  
 
PRECIPITATION (IN)  
TODAY 0.09 0.94 2015 0.10 -0.01 0.01  
MONTH TO DATE 1.17 3.55 -2.38 1.95  
SINCE JUN 1 1.17 3.55 -2.38 1.95  
SINCE JAN 1 11.70 15.81 -4.11 16.63  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 29 30 -1 13  
SINCE JUN 1 29 30 -1 13  
SINCE JUL 1 5826 6360 -534 6113  
 
COOLING  
TODAY 12 8 4 11  
MONTH TO DATE 139 168 -29 181  
SINCE JUN 1 139 168 -29 181  
SINCE JAN 1 190 224 -34 302    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 3:00 PM  
LOWEST 61 11:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 94 2019  
MINIMUM TEMPERATURE (F) 62 49 2007  
 
SUNRISE AND SUNSET  
JUNE 29 2023..........SUNRISE 5:20 AM CDT SUNSET 8:32 PM CDT  
JUNE 30 2023..........SUNRISE 5:21 AM CDT SUNSET 8:32 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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