131  
CDUS43 KLOT 090634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT FRI JUN 09 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 8 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 75 2:43 PM 94 2011 79 -4 68  
MINIMUM 44 2:31 AM 40 1998 57 -13 52  
AVERAGE 60 68 -8 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 2003 0.13 -0.13 0.60  
MONTH TO DATE 0.06 1.07 -1.01 1.17  
SINCE JUN 1 0.06 1.07 -1.01 1.17  
SINCE JAN 1 10.59 13.33 -2.74 15.85  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 2 3 5  
MONTH TO DATE 7 18 -11 11  
SINCE JUN 1 7 18 -11 11  
SINCE JUL 1 5804 6348 -544 6111  
 
COOLING  
YESTERDAY 0 4 -4 0  
MONTH TO DATE 43 32 11 13  
SINCE JUN 1 43 32 11 13  
SINCE JAN 1 94 88 6 134    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 5:00 AM  
LOWEST 27 1:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 90 1999  
MINIMUM TEMPERATURE (F) 57 45 1997  
 
SUNRISE AND SUNSET  
JUNE 9 2023..........SUNRISE 5:18 AM CDT SUNSET 8:27 PM CDT  
JUNE 10 2023..........SUNRISE 5:18 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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