213  
CDUS43 KLOT 132135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT FRI AUG 13 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 13 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 83 2:03 PM 91 2010 82 1  
MINIMUM 70 4:44 AM 50 2004 63 7  
AVERAGE 77 72 5  
 
PRECIPITATION (IN)  
TODAY 0.00 2.86 2002 0.12 -0.12  
MONTH TO DATE 1.82 1.64 0.18  
SINCE JUN 1 11.02 8.91 2.11  
SINCE JAN 1 16.17 21.17 -5.00  
 
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 12 8 4  
MONTH TO DATE 127 104 23  
SINCE JUN 1 638 551 87  
SINCE JAN 1 719 607 112    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 89 2020  
MINIMUM TEMPERATURE (F) 62 46 2004  
 
SUNRISE AND SUNSET  
AUGUST 13 2021........SUNRISE 5:59 AM CDT SUNSET 7:56 PM CDT  
AUGUST 14 2021........SUNRISE 6:00 AM CDT SUNSET 7:54 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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