694  
CDUS43 KLOT 020634  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
134 AM CDT SAT OCT 02 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 1 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 86 1:27 PM 87 2019 70 16 58  
MINIMUM 56 5:15 AM 31 2003 48 8 43  
AVERAGE 71 58 13 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.29 0.11 -0.11 0.02  
MONTH TO DATE 0.00 0.11 -0.11 0.02  
SINCE SEP 1 0.93 3.11 -2.18 3.98  
SINCE JAN 1 17.34 26.48 -9.14 25.03  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 14  
MONTH TO DATE 0 8 -8 14  
SINCE SEP 1 24 108 -84 119  
SINCE JUL 1 24 119 -95 123  
 
COOLING  
YESTERDAY 6 1 5 0  
MONTH TO DATE 6 1 5 0  
SINCE SEP 1 134 89 45 48  
SINCE JAN 1 1045 813 232 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.1  
 
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) 69 83 2005  
2017  
MINIMUM TEMPERATURE (F) 47 27 2003  
 
SUNRISE AND SUNSET  
OCTOBER 2 2021.......SUNRISE 6:51 AM CDT SUNSET 6:32 PM CDT  
OCTOBER 3 2021.......SUNRISE 6:52 AM CDT SUNSET 6:31 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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