924  
CDUS41 KLWX 060523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST WED MAR 6 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 5 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 411 PM 79 1976 52 -11 46  
MINIMUM 22 227 AM 7 1978 30 -8 27  
AVERAGE 32 40 -8 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1965 0.09 -0.09 0.00  
MONTH TO DATE 1.27 0.46 0.81 0.13  
SINCE MAR 1 1.27 0.46 0.81 0.13  
SINCE JAN 1 8.73 5.88 2.85 6.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.5 2015 0.1 -0.1  
MONTH TO DATE 0.6 0.7 -0.1  
SINCE JUL 1 25.5 19.6 5.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 24 9 28  
MONTH TO DATE 147 125 22 113  
SINCE MAR 1 147 125 22 113  
SINCE JUL 1 3652 3715 -63 3464  
 
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 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 33 400 PM  
AVERAGE 54  
   
......................................................
 
 
 
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 2019.........SUNRISE 635 AM EST SUNSET 607 PM EST  
MARCH 7 2019.........SUNRISE 634 AM EST SUNSET 609 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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