941  
CDUS41 KLWX 152125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT FRI MAR 15 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 15 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 77 328 PM 84 2012 55 22 53  
MINIMUM 64 730 AM -1 1993 33 31 26  
AVERAGE 71 44 27 40  
 
PRECIPITATION (IN)  
TODAY 0.00 0.89 1967 0.11 -0.11 0.00  
MONTH TO DATE 1.80 1.47 0.33 0.24  
SINCE MAR 1 1.80 1.47 0.33 0.24  
SINCE JAN 1 9.26 6.89 2.37 6.63  
 
SNOWFALL (IN)  
TODAY 0.0 1.4 1999 0.1 -0.1  
MONTH TO DATE 1.6 1.8 -0.2  
SINCE JUL 1 26.5 20.7 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 21 -21 25  
MONTH TO DATE 368 353 15 399  
SINCE MAR 1 368 353 15 399  
SINCE JUL 1 3873 3943 -70 3750  
 
COOLING  
TODAY 6 0 6 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 17.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 800 AM  
LOWEST 52 1200 AM  
AVERAGE 63  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 81 1990  
MINIMUM TEMPERATURE (F) 33 16 1969  
 
 
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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