267  
CDUS43 KLOT 180632  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
1231 AM CST WED NOV 18 2020  
 
   
...............................
 
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 17 2020...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1997 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 257 PM 72 2016 48 -7 39  
MINIMUM 28 739 AM 10 2014 31 -3 25  
AVERAGE 35 40 -5 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.84 0.10 -0.10 0.04  
MONTH TO DATE 0.85 1.83 -0.98 0.13  
SINCE SEP 1 8.10 8.31 -0.21 13.31  
SINCE JAN 1 29.15 33.94 -4.79 40.56  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 25 5 33  
MONTH TO DATE 251 366 -115 583  
SINCE SEP 1 856 868 -12 1024  
SINCE JUL 1 860 877 -17 1025  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 50 90 -40 184  
SINCE JAN 1 943 814 129 1003    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.1  
 
 
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) 48 70 1999  
MINIMUM TEMPERATURE (F) 30 8 2014  
 
 
SUNRISE AND SUNSET  
NOVEMBER 18 2020......SUNRISE 647 AM CST SUNSET 429 PM CST  
NOVEMBER 19 2020......SUNRISE 648 AM CST SUNSET 429 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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