200  
CDUS43 KLOT 082230  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
530 PM CDT FRI OCT 08 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 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 11:58 AM 87 2007 66 8  
MINIMUM 60 5:32 AM 27 2012 45 15  
AVERAGE 67 56 11  
 
PRECIPITATION (IN)  
TODAY 0.07 1.12 2004 0.10 -0.03  
MONTH TO DATE 1.29 0.83 0.46  
SINCE SEP 1 2.22 3.83 -1.61  
SINCE JAN 1 18.63 27.20 -8.57  
 
DEGREE DAYS  
HEATING  
TODAY 0 10 -10  
MONTH TO DATE 0 70 -70  
SINCE SEP 1 24 170 -146  
SINCE JUL 1 24 181 -157  
 
COOLING  
TODAY 2 1 1  
MONTH TO DATE 28 8 20  
SINCE SEP 1 156 96 60  
SINCE JAN 1 1067 820 247    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 2010  
MINIMUM TEMPERATURE (F) 44 26 2000  
 
SUNRISE AND SUNSET  
OCTOBER 8 2021.......SUNRISE 6:58 AM CDT SUNSET 6:22 PM CDT  
OCTOBER 9 2021.......SUNRISE 6:59 AM CDT SUNSET 6:21 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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