006  
CDUS41 KLWX 150522  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
122 AM EDT FRI MAR 15 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 14 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 75 345 PM 88 1990 55 20 41  
MINIMUM 37 527 AM 15 1993 32 5 27  
1968  
AVERAGE 56 43 13 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.99 1999 0.11 -0.11 0.00  
MONTH TO DATE 1.80 1.36 0.44 0.24  
SINCE MAR 1 1.80 1.36 0.44 0.24  
SINCE JAN 1 9.26 6.78 2.48 6.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 2017 0.1 -0.1  
MONTH TO DATE 1.6 1.7 -0.1  
SINCE JUL 1 26.5 20.6 5.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 22 -13 31  
MONTH TO DATE 368 332 36 374  
SINCE MAR 1 368 332 36 374  
SINCE JUL 1 3873 3922 -49 3725  
 
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 26 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.2  
 
 
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 85 400 AM  
LOWEST 38 300 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 84 2012  
MINIMUM TEMPERATURE (F) 33 -1 1993  
 
 
SUNRISE AND SUNSET  
MARCH 15 2019.........SUNRISE 721 AM EDT SUNSET 717 PM EDT  
MARCH 16 2019.........SUNRISE 720 AM EDT SUNSET 718 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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