702  
CDUS41 KLWX 312125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN MAR 31 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 31 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 66 1209 AM 85 1998 61 5 61  
MINIMUM 49 351 PM 17 1964 38 11 31  
AVERAGE 58 49 9 46  
 
PRECIPITATION (IN)  
TODAY 0.01 1.55 2017 0.12 -0.11 0.00  
MONTH TO DATE 4.55 3.38 1.17 1.79  
SINCE MAR 1 4.55 3.38 1.17 1.79  
SINCE JAN 1 12.01 8.80 3.21 8.18  
 
SNOWFALL (IN)  
TODAY 0.0 1.7 1964 0.0 0.0  
MONTH TO DATE 1.6 2.8 -1.2  
SINCE JUL 1 26.5 21.7 4.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 16 -9 19  
MONTH TO DATE 675 648 27 779  
SINCE MAR 1 675 647 28 779  
SINCE JUL 1 4180 4237 -57 4130  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 3 -3 0  
SINCE MAR 1 0 3 -3 0  
SINCE JAN 1 0 3 -3 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 18.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 700 AM  
LOWEST 33 400 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 85 1978  
MINIMUM TEMPERATURE (F) 38 17 1969  
 
 
SUNRISE AND SUNSET  
MARCH 31 2019.........SUNRISE 656 AM EDT SUNSET 732 PM EDT  
APRIL 1 2019.........SUNRISE 655 AM EDT SUNSET 733 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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