855  
CDUS41 KLWX 262128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
428 PM EST FRI FEB 26 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 26 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 50 2:52 PM 69 1977 49 1 53  
2002  
MINIMUM 33 6:14 AM 7 1970 28 5 44  
AVERAGE 42 39 3 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 1962 0.09 -0.09 0.74  
MONTH TO DATE 3.00 2.55 0.45 3.16  
SINCE DEC 1 10.69 8.19 2.50 9.46  
SINCE JAN 1 4.88 5.23 -0.35 6.49  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 1993 0.2 -0.2 0.0  
MONTH TO DATE 6.2 7.2 -1.0 T  
SINCE DEC 1 11.8 18.0 -6.2 2.9  
SINCE JUL 1 11.8 18.5 -6.7 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 26 -3 16  
MONTH TO DATE 780 755 25 586  
SINCE DEC 1 2486 2623 -137 2190  
SINCE JUL 1 3153 3539 -386 3053  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 4:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 74 1997  
MINIMUM TEMPERATURE (F) 28 8 1968  
 
SUNRISE AND SUNSET  
FEBRUARY 26 2021......SUNRISE 6:46 AM EST SUNSET 6:00 PM EST  
FEBRUARY 27 2021......SUNRISE 6:45 AM EST SUNSET 6:01 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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