312  
CDUS43 KLOT 210633  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
133 AM CDT WED AUG 21 2024  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 74 1:46 PM 93 2023 82 -8 93  
MINIMUM 53 11:59 PM 51 2002 62 -9 68  
AVERAGE 64 72 -8 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 2022 0.11 -0.11 0.00  
MONTH TO DATE 1.56 2.51 -0.95 1.13  
SINCE JUN 1 11.15 9.78 1.37 11.92  
SINCE JAN 1 23.79 22.04 1.75 22.45  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 3 0 3 0  
SINCE JUN 1 19 37 -18 29  
SINCE JUL 1 6 4 2 0  
 
COOLING  
YESTERDAY 0 7 -7 16  
MONTH TO DATE 135 154 -19 125  
SINCE JUN 1 639 601 38 541  
SINCE JAN 1 693 657 36 592    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 6.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 47 1:00 PM  
AVERAGE 70  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 94 2003  
MINIMUM TEMPERATURE (F) 61 49 2004  
 
SUNRISE AND SUNSET  
AUGUST 21 2024........SUNRISE 6:08 AM CDT SUNSET 7:43 PM CDT  
AUGUST 22 2024........SUNRISE 6:09 AM CDT SUNSET 7:42 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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