164  
CDUS43 KLOT 152137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT THU AUG 15 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 15 2024...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 2:59 PM 89 2000 82 -7 78  
2009  
2015  
MINIMUM 67 7:07 AM 44 2004 62 5 58  
AVERAGE 71 72 -1 68  
 
PRECIPITATION (IN)  
TODAY 0.30 0.66 2018 0.13 0.17 0.04  
MONTH TO DATE 1.04 1.90 -0.86 0.92  
SINCE JUN 1 10.63 9.17 1.46 11.71  
SINCE JAN 1 23.27 21.43 1.84 22.24  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 18 37 -19 29  
SINCE JUL 1 5 4 1 0  
 
COOLING  
TODAY 6 7 -1 3  
MONTH TO DATE 104 119 -15 97  
SINCE JUN 1 608 566 42 513  
SINCE JAN 1 662 622 40 564    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 7:00 AM  
LOWEST 73 12:00 AM  
AVERAGE 85  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 90 1997  
2003  
MINIMUM TEMPERATURE (F) 62 49 2004  
 
SUNRISE AND SUNSET  
AUGUST 15 2024........SUNRISE 6:02 AM CDT SUNSET 7:52 PM CDT  
AUGUST 16 2024........SUNRISE 6:03 AM CDT SUNSET 7:51 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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