656  
CDUS41 KLWX 060530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1230 AM EST SAT MAR 06 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 5 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 43 3:26 PM 79 1976 52 -9 54  
MINIMUM 25 6:52 AM 7 1978 30 -5 32  
AVERAGE 34 40 -6 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1965 0.09 -0.09 0.00  
MONTH TO DATE 0.18 0.46 -0.28 0.07  
SINCE MAR 1 0.18 0.46 -0.28 0.07  
SINCE JAN 1 6.34 5.88 0.46 6.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.5 2015 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE MAR 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 12.0 19.6 -7.6 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 24 7 22  
MONTH TO DATE 124 125 -1 90  
SINCE MAR 1 124 125 -1 90  
SINCE JUL 1 3317 3715 -398 3234  
 
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 29 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 50 7:00 AM  
LOWEST 30 11:00 AM  
AVERAGE 40  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 70 2004  
MINIMUM TEMPERATURE (F) 30 6 2015  
 
SUNRISE AND SUNSET  
MARCH 6 2021.........SUNRISE 6:34 AM EST SUNSET 6:08 PM EST  
MARCH 7 2021.........SUNRISE 6:33 AM EST SUNSET 6:09 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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