488  
CDUS43 KLOT 192151  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
451 PM CDT SAT AUG 19 2023  
   
...............................
 
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 82 2:10 PM 89 2021 82 0 83  
MINIMUM 58 MM 51 1997 62 -4 62  
AVERAGE 70 72 -2 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.35 2009 0.12 -0.12 T  
MONTH TO DATE 1.13 2.40 -1.27 1.41  
SINCE JUN 1 11.92 9.67 2.25 7.52  
SINCE JAN 1 22.45 21.93 0.52 22.20  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 29 37 -8 13  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
TODAY 5 7 -2 8  
MONTH TO DATE 109 147 -38 147  
SINCE JUN 1 525 594 -69 627  
SINCE JAN 1 576 650 -74 748    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 58 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 92 2010  
MINIMUM TEMPERATURE (F) 62 51 2002  
 
SUNRISE AND SUNSET  
AUGUST 19 2023........SUNRISE 6:05 AM CDT SUNSET 7:48 PM CDT  
AUGUST 20 2023........SUNRISE 6:06 AM CDT SUNSET 7:46 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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