302  
CDUS43 KLOT 210634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT WED JUN 21 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 20 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 86 1:32 PM 94 2022 82 4 94  
MINIMUM 55 4:54 AM 43 2003 60 -5 62  
AVERAGE 71 71 0 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.43 2021 0.12 -0.12 0.00  
MONTH TO DATE 0.24 2.56 -2.32 1.40  
SINCE JUN 1 0.24 2.56 -2.32 1.40  
SINCE JAN 1 10.77 14.82 -4.05 16.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 6 7 -1 13  
MONTH TO DATE 68 100 -32 100  
SINCE JUN 1 68 100 -32 100  
SINCE JAN 1 119 156 -37 221    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 5:00 AM  
LOWEST 31 1:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 2022  
MINIMUM TEMPERATURE (F) 61 46 2003  
 
SUNRISE AND SUNSET  
JUNE 21 2023..........SUNRISE 5:18 AM CDT SUNSET 8:32 PM CDT  
JUNE 22 2023..........SUNRISE 5:18 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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