601  
CDUS43 KLOT 240647  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
147 AM CDT SUN OCT 24 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 56 3:25 PM 75 2004 59 -3 68  
MINIMUM 32 5:21 AM 28 2005 40 -8 36  
AVERAGE 44 49 -5 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.03 0.10 -0.10 0.80  
MONTH TO DATE 2.75 2.31 0.44 3.24  
SINCE SEP 1 3.68 5.31 -1.63 7.20  
SINCE JAN 1 20.09 28.68 -8.59 28.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 16 5 13  
MONTH TO DATE 123 266 -143 285  
SINCE SEP 1 147 366 -219 390  
SINCE JUL 1 147 377 -230 394  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 46 9 37 1  
SINCE SEP 1 174 97 77 49  
SINCE JAN 1 1085 821 264 942    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 2.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 2012  
MINIMUM TEMPERATURE (F) 39 25 1999  
 
SUNRISE AND SUNSET  
OCTOBER 24 2021.......SUNRISE 7:16 AM CDT SUNSET 5:57 PM CDT  
OCTOBER 25 2021.......SUNRISE 7:17 AM CDT SUNSET 5:56 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