521  
CDUS41 KLWX 030527  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1227 AM EST WED MAR 03 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 2 2021
 
 
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)  
YESTERDAY  
MAXIMUM 45 5:00 PM 77 1972 51 -6 66  
MINIMUM 27 11:34 PM 12 1967 29 -2 33  
1980  
AVERAGE 36 40 -4 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.51 1994 0.09 -0.09 0.04  
MONTH TO DATE 0.18 0.18 0.00 0.04  
SINCE MAR 1 0.18 0.18 0.00 0.04  
SINCE JAN 1 6.34 5.60 0.74 6.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 2009 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE MAR 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 12.0 19.2 -7.2 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 25 4 15  
MONTH TO DATE 49 51 -2 43  
SINCE MAR 1 49 51 -2 43  
SINCE JUL 1 3242 3641 -399 3187  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 11:00 PM  
LOWEST 24 5:00 PM  
AVERAGE 45  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 74 1967  
MINIMUM TEMPERATURE (F) 29 1 2014  
 
SUNRISE AND SUNSET  
MARCH 3 2021.........SUNRISE 6:39 AM EST SUNSET 6:05 PM EST  
MARCH 4 2021.........SUNRISE 6:37 AM EST SUNSET 6:06 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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