403  
CDUS43 KLOT 180639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT TUE JUN 18 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR JUNE 17 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94R 4:31 PM 93 2018 81 13 83  
MINIMUM 71 12:25 AM 46 1997 60 11 47  
1999  
AVERAGE 83 70 13 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.23 2015 0.12 -0.12 0.00  
MONTH TO DATE 2.34 2.21 0.13 0.24  
SINCE JUN 1 2.34 2.21 0.13 0.24  
SINCE JAN 1 14.98 14.47 0.51 10.77  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 28 -17 29  
SINCE JUN 1 11 28 -17 29  
SINCE JUL 1 5253 6358 -1105 5826  
 
COOLING  
YESTERDAY 18 6 12 0  
MONTH TO DATE 108 81 27 51  
SINCE JUN 1 108 81 27 51  
SINCE JAN 1 162 137 25 102    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 3:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 62  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 93 2018  
MINIMUM TEMPERATURE (F) 60 45 1999  
2005  
 
SUNRISE AND SUNSET  
JUNE 18 2024..........SUNRISE 5:17 AM CDT SUNSET 8:31 PM CDT  
JUNE 19 2024..........SUNRISE 5:18 AM CDT SUNSET 8:31 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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