721  
CDUS43 KLOT 040644  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
144 AM CDT MON OCT 04 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 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 75 11:16 AM 88 2018 69 6 54  
MINIMUM 61 11:55 PM 31 2004 47 14 41  
AVERAGE 68 58 10 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 1.17 0.10 0.27 0.15  
MONTH TO DATE 0.57 0.32 0.25 0.17  
SINCE SEP 1 1.50 3.32 -1.82 4.13  
SINCE JAN 1 17.91 26.69 -8.78 25.18  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 17  
MONTH TO DATE 0 24 -24 48  
SINCE SEP 1 24 124 -100 153  
SINCE JUL 1 24 135 -111 157  
 
COOLING  
YESTERDAY 3 1 2 0  
MONTH TO DATE 17 3 14 0  
SINCE SEP 1 145 91 54 48  
SINCE JAN 1 1056 815 241 941    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 2005  
MINIMUM TEMPERATURE (F) 46 31 2004  
 
SUNRISE AND SUNSET  
OCTOBER 4 2021.......SUNRISE 6:53 AM CDT SUNSET 6:29 PM CDT  
OCTOBER 5 2021.......SUNRISE 6:55 AM CDT SUNSET 6:27 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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