752  
CDUS43 KLOT 010632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT FRI OCT 01 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 85 1:42 PM 86 2019 70 15 66  
MINIMUM 53 4:50 AM 35 2004 48 5 47  
AVERAGE 69 59 10 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 0.10 -0.10 0.00  
MONTH TO DATE 0.93 3.00 -2.07 3.96  
SINCE SEP 1 0.93 3.00 -2.07 3.96  
SINCE JAN 1 17.34 26.37 -9.03 25.01  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 8  
MONTH TO DATE 24 100 -76 105  
SINCE SEP 1 24 100 -76 105  
SINCE JUL 1 24 111 -87 109  
 
COOLING  
YESTERDAY 4 1 3 0  
MONTH TO DATE 128 88 40 48  
SINCE SEP 1 128 88 40 48  
SINCE JAN 1 1039 812 227 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 4.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2019  
MINIMUM TEMPERATURE (F) 48 31 2003  
 
SUNRISE AND SUNSET  
OCTOBER 1 2021.......SUNRISE 6:50 AM CDT SUNSET 6:34 PM CDT  
OCTOBER 2 2021.......SUNRISE 6:51 AM CDT SUNSET 6:32 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