738  
CDUS43 KLOT 040646  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT SUN AUG 04 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 3 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 91 3:28 PM 95 2012 83 8 86  
MINIMUM 69 11:57 PM 54 2000 63 6 62  
AVERAGE 80 73 7 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 2010 0.14 -0.14 0.00  
MONTH TO DATE 0.08 0.42 -0.34 T  
SINCE JUN 1 9.67 7.69 1.98 10.79  
SINCE JAN 1 22.31 19.95 2.36 21.32  
 
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 15 8 7 9  
MONTH TO DATE 41 24 17 26  
SINCE JUN 1 545 471 74 442  
SINCE JAN 1 599 527 72 493    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2018  
MINIMUM TEMPERATURE (F) 63 53 2000  
 
SUNRISE AND SUNSET  
AUGUST 4 2024........SUNRISE 5:50 AM CDT SUNSET 8:07 PM CDT  
AUGUST 5 2024........SUNRISE 5:51 AM CDT SUNSET 8:06 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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