194  
CDUS43 KLOT 140632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
132 AM CDT THU OCT 14 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR OCTOBER 13 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 71 11:16 PM 78 2008 64 7 72  
MINIMUM 47 5:44 AM 31 2002 43 4 37  
2006  
2018  
AVERAGE 59 53 6 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.30 2.51 0.10 0.20 0.00  
MONTH TO DATE 2.49 1.36 1.13 0.29  
SINCE SEP 1 3.42 4.36 -0.94 4.25  
SINCE JAN 1 19.83 27.73 -7.90 25.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 12 -6 10  
MONTH TO DATE 12 126 -114 129  
SINCE SEP 1 36 226 -190 234  
SINCE JUL 1 36 237 -201 238  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 46 9 37 1  
SINCE SEP 1 174 97 77 49  
SINCE JAN 1 1085 821 264 942    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 78 2020  
MINIMUM TEMPERATURE (F) 43 28 2002  
 
SUNRISE AND SUNSET  
OCTOBER 14 2021.......SUNRISE 7:05 AM CDT SUNSET 6:13 PM CDT  
OCTOBER 15 2021.......SUNRISE 7:06 AM CDT SUNSET 6:11 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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