479  
CDUS41 KLWX 260526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST THU NOV 26 2020  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 25 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 4:24 PM 77 1979 54 3 57  
MINIMUM 41 7:25 AM 15 1970 33 8 28  
AVERAGE 49 43 6 43  
 
PRECIPITATION (IN)  
YESTERDAY T 1.31 1964 0.11 -0.11 0.00  
MONTH TO DATE 2.09 2.83 -0.74 1.60  
SINCE SEP 1 7.91 10.00 -2.09 7.98  
SINCE JAN 1 42.13 38.00 4.13 37.82  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1983 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 0.0 0.3 -0.3 T  
SINCE JUL 1 0.0 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 22 -6 22  
MONTH TO DATE 330 444 -114 578  
SINCE SEP 1 597 798 -201 763  
SINCE JUL 1 597 800 -203 763  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 154 160 -6 289  
SINCE JAN 1 1406 1176 230 1524    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 11:00 PM  
LOWEST 47 1:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 75 1990  
MINIMUM TEMPERATURE (F) 32 16 1974  
 
SUNRISE AND SUNSET  
NOVEMBER 26 2020......SUNRISE 7:05 AM EST SUNSET 4:49 PM EST  
NOVEMBER 27 2020......SUNRISE 7:06 AM EST SUNSET 4:49 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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