782  
CDUS41 KLWX 100524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST SUN MAR 10 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 9 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 40 619 PM 82 2016 53 -13 43  
MINIMUM 33 638 AM 14 1996 31 2 24  
AVERAGE 37 42 -5 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.83 1999 0.11 -0.03 0.00  
MONTH TO DATE 1.54 0.86 0.68 0.24  
SINCE MAR 1 1.54 0.86 0.68 0.24  
SINCE JAN 1 9.00 6.28 2.72 6.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.9 1999 0.1 -0.1  
MONTH TO DATE 1.6 1.2 0.4  
SINCE JUL 1 26.5 20.1 6.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 23 5 31  
MONTH TO DATE 284 220 64 227  
SINCE MAR 1 284 220 64 227  
SINCE JUL 1 3789 3810 -21 3578  
 
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 12 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 76 1200 PM  
AVERAGE 86  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 80 2016  
MINIMUM TEMPERATURE (F) 31 7 1996  
 
 
SUNRISE AND SUNSET  
MARCH 10 2019.........SUNRISE 729 AM EDT SUNSET 712 PM EDT  
MARCH 11 2019.........SUNRISE 728 AM EDT SUNSET 713 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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