335  
CDUS43 KLOT 030645  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
145 AM CDT SUN OCT 03 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 2 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 1:19 PM 83 2005 69 11 56  
2017  
MINIMUM 66 6:10 AM 27 2003 47 19 39  
AVERAGE 73 58 15 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 1.23 0.11 0.09 0.00  
MONTH TO DATE 0.20 0.22 -0.02 0.02  
SINCE SEP 1 1.13 3.22 -2.09 3.98  
SINCE JAN 1 17.54 26.59 -9.05 25.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 17  
MONTH TO DATE 0 16 -16 31  
SINCE SEP 1 24 116 -92 136  
SINCE JUL 1 24 127 -103 140  
 
COOLING  
YESTERDAY 8 1 7 0  
MONTH TO DATE 14 2 12 0  
SINCE SEP 1 142 90 52 48  
SINCE JAN 1 1053 814 239 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 7.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 88 2018  
MINIMUM TEMPERATURE (F) 47 31 2004  
 
SUNRISE AND SUNSET  
OCTOBER 3 2021.......SUNRISE 6:52 AM CDT SUNSET 6:31 PM CDT  
OCTOBER 4 2021.......SUNRISE 6:53 AM CDT SUNSET 6:29 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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