775  
CDUS43 KLOT 032144  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
444 PM CDT FRI SEP 03 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 3 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 74 10:28 AM 90 1999 79 -5  
2012  
2015  
MINIMUM 56 5:49 AM 50 2017 58 -2  
AVERAGE 65 69 -4  
 
PRECIPITATION (IN)  
TODAY 0.01 0.97 2018 0.10 -0.09  
MONTH TO DATE 0.01 0.30 -0.29  
SINCE SEP 1 0.01 0.30 -0.29  
SINCE JAN 1 16.42 23.67 -7.25  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1  
MONTH TO DATE 0 3 -3  
SINCE SEP 1 0 3 -3  
SINCE JUL 1 0 14 -14  
 
COOLING  
TODAY 0 5 -5  
MONTH TO DATE 7 15 -8  
SINCE SEP 1 7 15 -8  
SINCE JAN 1 918 739 179    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 4.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2012  
MINIMUM TEMPERATURE (F) 58 49 2000  
2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 3 2021.....SUNRISE 6:21 AM CDT SUNSET 7:23 PM CDT  
SEPTEMBER 4 2021.....SUNRISE 6:22 AM CDT SUNSET 7:21 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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