971  
CDUS41 KLWX 090524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1224 AM EST SAT MAR 9 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 8 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 38 1041 AM 84 2000 53 -15 44  
MINIMUM 26 637 AM 11 2007 31 -5 30  
1986  
AVERAGE 32 42 -10 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 1.16 1995 0.09 0.10 T  
MONTH TO DATE 1.46 0.75 0.71 0.24  
SINCE MAR 1 1.46 0.75 0.71 0.24  
SINCE JAN 1 8.92 6.17 2.75 6.63  
 
SNOWFALL (IN)  
YESTERDAY 1.0 4.7 1984 0.1 0.9  
MONTH TO DATE 1.6 1.1 0.5  
SINCE JUL 1 26.5 20.0 6.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 24 9 28  
MONTH TO DATE 256 197 59 196  
SINCE MAR 1 256 197 59 196  
SINCE JUL 1 3761 3787 -26 3547  
 
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 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 2.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 PM  
LOWEST 47 900 AM  
AVERAGE 70  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 82 2016  
MINIMUM TEMPERATURE (F) 31 14 1996  
 
 
SUNRISE AND SUNSET  
MARCH 9 2019.........SUNRISE 631 AM EST SUNSET 611 PM EST  
MARCH 10 2019.........SUNRISE 729 AM EDT SUNSET 712 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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