DULLES, VIRGINIA

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Elevation: 88 meters Latitude: 38 57N Longitude: 077 27W

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DAILY WEATHER AVERAGE - 7 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	16.4 ^°C	22.2 ^°C	10.1 ^°C	31.7 ^°C (2000)	1.7 ^°C (2001)
Dewpoint	9.6 ^°C	12.9 ^°C	6.2 ^°C	20.6 ^°C (2000)	-6.1 ^°C (1997)
Humidity	68.6 ^%	92 ^%	45.9 ^%		19 ^% (1997)
Barometer	1018.3 ^hPa	1020.7 ^hPa	1015.2 ^hPa	1033.9 ^hPa (2001)	1006.1 ^hPa (1998)
Wind Speed	10.6 ^km/h	23.2 ^km/h		40.7 ^km/h (2003)
Wind Gust		38.9 ^km/h		57.5 ^km/h (2003)
Precipitation	24.89 ^mm			107.7 ^mm (2003)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	SSE (163.8 °)

Total Years on Record: 21

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