DULLES, VIRGINIA

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

WEATHER

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DAILY WEATHER AVERAGE - 1 APRIL

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	10.6 ^°C	16.3 ^°C	4.9 ^°C	26.1 ^°C (2010)	-4.4 ^°C (1995)
Dewpoint	4.2 ^°C	7.4 ^°C	0.2 ^°C	21.1 ^°C (1998)	-11.7 ^°C (1997)
Humidity	69.3 ^%	90.2 ^%	44.6 ^%		18 ^% (1997)
Barometer	1013.5 ^hPa	1017.6 ^hPa	1009.5 ^hPa	1025.7 ^hPa (2000)	997.3 ^hPa (2004)
Wind Speed	12.9 ^km/h	26.7 ^km/h		51.8 ^km/h (1997)
Wind Gust		45.1 ^km/h		79.7 ^km/h (1997)
Precipitation	12.19 ^mm			42.93 ^mm (2004)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	SSW (194 °)

Total Years on Record: 21

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