721  
CDUS43 KLOT 090636  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
136 AM CDT SAT OCT 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 8 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 11:58 AM 87 2007 66 8 72  
MINIMUM 60 10:15 PM 27 2012 45 15 41  
AVERAGE 67 56 11 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.12 0.10 0.00 0.00  
MONTH TO DATE 1.32 0.83 0.49 0.17  
SINCE SEP 1 2.25 3.83 -1.58 4.13  
SINCE JAN 1 18.66 27.20 -8.54 25.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 8  
MONTH TO DATE 0 70 -70 104  
SINCE SEP 1 24 170 -146 209  
SINCE JUL 1 24 181 -157 213  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 28 8 20 0  
SINCE SEP 1 156 96 60 48  
SINCE JAN 1 1067 820 247 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 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 3.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 88 2010  
MINIMUM TEMPERATURE (F) 44 26 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page