402  
CDUS43 KLOT 090633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT FRI AUG 09 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 8 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 81 3:27 PM 92 2001 83 -2 83  
MINIMUM 57 5:15 AM 52 1997 63 -6 58  
1999  
2017  
AVERAGE 69 73 -4 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 2011 0.12 -0.12 T  
MONTH TO DATE 0.74 1.04 -0.30 0.13  
SINCE JUN 1 10.33 8.31 2.02 10.92  
SINCE JAN 1 22.97 20.57 2.40 21.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 16 37 -21 29  
SINCE JUL 1 3 4 -1 0  
 
COOLING  
YESTERDAY 4 8 -4 6  
MONTH TO DATE 81 64 17 62  
SINCE JUN 1 585 511 74 478  
SINCE JAN 1 639 567 72 529    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 51 12:00 PM  
AVERAGE 74  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2005  
MINIMUM TEMPERATURE (F) 63 49 1999  
 
SUNRISE AND SUNSET  
AUGUST 9 2024........SUNRISE 5:55 AM CDT SUNSET 8:01 PM CDT  
AUGUST 10 2024........SUNRISE 5:56 AM CDT SUNSET 7:59 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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