DULLES, VIRGINIA

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

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DAILY WEATHER AVERAGE - 2 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	22.7 ^°C	28.8 ^°C	17.2 ^°C	33.9 ^°C (2010)	11.7 ^°C (2009)
Dewpoint	16.3 ^°C	18.1 ^°C	14.1 ^°C	23.3 ^°C (2003)	6.7 ^°C (1995)
Humidity	70.5 ^%	91.6 ^%	45.8 ^%		27 ^% (1995)
Barometer	1016.9 ^hPa	1018.6 ^hPa	1014.9 ^hPa	1026.4 ^hPa (2009)	1004.4 ^hPa (1998)
Wind Speed	8.2 ^km/h	19.3 ^km/h		38.9 ^km/h (2013)
Wind Gust		37.7 ^km/h		57.5 ^km/h (2013)
Precipitation	5.08 ^mm			20.07 ^mm (2006)

Weather Element	Average
Visibility	15.1 ^km
Wind Direction	S (185.4 °)

Total Years on Record: 20

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