645  
CDUS41 KLWX 080527  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST FRI MAR 8 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 7 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 42 426 PM 76 1974 52 -10 50  
MINIMUM 16 232 AM 2 2015 30 -14 33  
AVERAGE 29 41 -12 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1967 0.10 -0.10 0.01  
MONTH TO DATE 1.27 0.66 0.61 0.24  
SINCE MAR 1 1.27 0.66 0.61 0.24  
SINCE JAN 1 8.73 6.08 2.65 6.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1969 0.2 -0.2  
MONTH TO DATE 0.6 1.0 -0.4  
SINCE JUL 1 25.5 19.9 5.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 24 12 23  
MONTH TO DATE 223 173 50 168  
SINCE MAR 1 223 173 50 168  
SINCE JUL 1 3728 3763 -35 3519  
 
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 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 30 400 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 84 2000  
MINIMUM TEMPERATURE (F) 31 11 2007  
1986  
 
 
SUNRISE AND SUNSET  
MARCH 8 2019.........SUNRISE 632 AM EST SUNSET 610 PM EST  
MARCH 9 2019.........SUNRISE 631 AM EST SUNSET 611 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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