875  
CDUS43 KLOT 100639  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT SUN OCT 10 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 9 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 80 3:21 PM 88 2010 66 14 81  
MINIMUM 60 6:04 AM 26 2000 44 16 46  
AVERAGE 70 55 15 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.30 0.11 -0.09 0.00  
MONTH TO DATE 1.34 0.94 0.40 0.17  
SINCE SEP 1 2.27 3.94 -1.67 4.13  
SINCE JAN 1 18.68 27.31 -8.63 25.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 10 -10 1  
MONTH TO DATE 0 80 -80 105  
SINCE SEP 1 24 180 -156 210  
SINCE JUL 1 24 191 -167 214  
 
COOLING  
YESTERDAY 5 1 4 0  
MONTH TO DATE 33 9 24 0  
SINCE SEP 1 161 97 64 48  
SINCE JAN 1 1072 821 251 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 2010  
MINIMUM TEMPERATURE (F) 44 28 2000  
 
SUNRISE AND SUNSET  
OCTOBER 10 2021.......SUNRISE 7:00 AM CDT SUNSET 6:19 PM CDT  
OCTOBER 11 2021.......SUNRISE 7:01 AM CDT SUNSET 6:17 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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