212  
CDUS43 KLOT 060646  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
146 AM CDT WED OCT 06 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 5 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 67 1:21 PM 85 1997 68 -1 62  
2007  
MINIMUM 64 11:44 PM 27 2004 46 18 32  
AVERAGE 66 57 9 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.32 0.10 -0.10 0.00  
MONTH TO DATE 0.74 0.53 0.21 0.17  
SINCE SEP 1 1.67 3.53 -1.86 4.13  
SINCE JAN 1 18.08 26.90 -8.82 25.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9 -9 18  
MONTH TO DATE 0 41 -41 85  
SINCE SEP 1 24 141 -117 190  
SINCE JUL 1 24 152 -128 194  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 21 5 16 0  
SINCE SEP 1 149 93 56 48  
SINCE JAN 1 1060 817 243 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 9.0  
 
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) 67 88 2007  
MINIMUM TEMPERATURE (F) 46 30 2001  
 
SUNRISE AND SUNSET  
OCTOBER 6 2021.......SUNRISE 6:56 AM CDT SUNSET 6:26 PM CDT  
OCTOBER 7 2021.......SUNRISE 6:57 AM CDT SUNSET 6:24 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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