104  
CDUS43 KLOT 092135  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
435 PM CDT SAT OCT 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 80 2:43 PM 88 2010 66 14  
MINIMUM 60 6:04 AM 26 2000 44 16  
AVERAGE 70 55 15  
 
PRECIPITATION (IN)  
TODAY 0.02 0.30 2009 0.11 -0.09  
MONTH TO DATE 1.34 0.94 0.40  
SINCE SEP 1 2.27 3.94 -1.67  
SINCE JAN 1 18.68 27.31 -8.63  
 
DEGREE DAYS  
HEATING  
TODAY 0 10 -10  
MONTH TO DATE 0 80 -80  
SINCE SEP 1 24 180 -156  
SINCE JUL 1 24 191 -167  
 
COOLING  
TODAY 5 1 4  
MONTH TO DATE 33 9 24  
SINCE SEP 1 161 97 64  
SINCE JAN 1 1072 821 251    
............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 2010  
MINIMUM TEMPERATURE (F) 44 28 2000  
 
SUNRISE AND SUNSET  
OCTOBER 9 2021.......SUNRISE 6:59 AM CDT SUNSET 6:21 PM CDT  
OCTOBER 10 2021.......SUNRISE 7:00 AM CDT SUNSET 6:19 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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