HERNDON, VIRGINIA

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Elevation: 98 meters Latitude: 38 57N Longitude: 077 27W

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DAILY WEATHER AVERAGE - 23 MARCH

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.1 ^°C	12.7 ^°C	1.3 ^°C	27.8 ^°C (2012)	-7.2 ^°C (2004)
Dewpoint	-1.9 ^°C	1 ^°C	-4.8 ^°C	16.7 ^°C (2012)	-15.6 ^°C (2009)
Humidity	56.9 ^%	78.3 ^%	37.4 ^%		14 ^% (2009)
Barometer	1017.6 ^hPa	1021 ^hPa	1014.6 ^hPa	1033.9 ^hPa (2004)	997.3 ^hPa (2011)
Wind Speed	12.6 ^km/h	24.8 ^km/h		42.6 ^km/h (2001)
Wind Gust		39.8 ^km/h		57.5 ^km/h (2011)
Precipitation	28.19 ^mm			77.22 ^mm (2005)

Weather Element	Average
Visibility	16.3 ^km
Wind Direction	SSW (216.2 °)

Total Years on Record: 21

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