362  
CDUS41 KLWX 050523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST TUE MAR 5 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 4 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 40 320 PM 79 1983 51 -11 50  
1974  
MINIMUM 26 1159 PM -1 2014 29 -3 31  
AVERAGE 33 40 -7 41  
 
PRECIPITATION (IN)  
YESTERDAY T 2.16 1993 0.09 -0.09 0.00  
MONTH TO DATE 1.27 0.37 0.90 0.13  
SINCE MAR 1 1.27 0.37 0.90 0.13  
SINCE JAN 1 8.73 5.79 2.94 6.52  
 
SNOWFALL (IN)  
YESTERDAY T 0.6 2016 0.1 -0.1  
1971  
MONTH TO DATE 0.6 0.6 0.0  
SINCE JUL 1 25.5 19.5 6.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 25 7 24  
MONTH TO DATE 114 101 13 85  
SINCE MAR 1 114 101 13 85  
SINCE JUL 1 3619 3691 -72 3436  
 
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 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 44 400 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 79 1976  
MINIMUM TEMPERATURE (F) 30 7 1978  
 
 
SUNRISE AND SUNSET  
MARCH 5 2019.........SUNRISE 637 AM EST SUNSET 606 PM EST  
MARCH 6 2019.........SUNRISE 635 AM EST SUNSET 607 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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