509  
CDUS41 KLWX 030528  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1228 AM EST SUN MAR 3 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 2 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 48 346 PM 77 1972 51 -3 51  
MINIMUM 33 802 AM 12 1980 29 4 37  
1967  
AVERAGE 41 40 1 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 1.51 1994 0.09 -0.02 T  
MONTH TO DATE 0.73 0.18 0.55 0.13  
SINCE MAR 1 0.73 0.18 0.55 0.13  
SINCE JAN 1 8.19 5.60 2.59 6.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 2009 0.1 -0.1  
MONTH TO DATE 0.6 0.3 0.3  
SINCE JUL 1 25.5 19.2 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 25 -1 21  
MONTH TO DATE 55 51 4 37  
SINCE MAR 1 55 51 4 37  
SINCE JUL 1 3560 3641 -81 3388  
 
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 15 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 62 1100 PM  
AVERAGE 76  
   
......................................................
 
 
 
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 2019.........SUNRISE 640 AM EST SUNSET 604 PM EST  
MARCH 4 2019.........SUNRISE 638 AM EST SUNSET 605 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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