223  
CDUS43 KLOT 232137  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
437 PM CDT MON AUG 23 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 23 2021...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 2:17 PM 92 2012 81 5  
MINIMUM 61 4:58 AM 51 1997 61 0  
2005  
AVERAGE 74 71 3  
 
PRECIPITATION (IN)  
TODAY 0.00 1.97 2007 0.12 -0.12  
MONTH TO DATE 1.90 2.86 -0.96  
SINCE JUN 1 11.10 10.13 0.97  
SINCE JAN 1 16.25 22.39 -6.14  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0  
MONTH TO DATE 0 0 0  
SINCE JUN 1 11 37 -26  
SINCE JUL 1 0 4 -4  
 
COOLING  
TODAY 9 6 3  
MONTH TO DATE 209 173 36  
SINCE JUN 1 720 620 100  
SINCE JAN 1 801 676 125    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 94 2012  
2020  
MINIMUM TEMPERATURE (F) 61 51 2005  
2017  
 
SUNRISE AND SUNSET  
AUGUST 23 2021........SUNRISE 6:10 AM CDT SUNSET 7:41 PM CDT  
AUGUST 24 2021........SUNRISE 6:11 AM CDT SUNSET 7:39 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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