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United States of America

HERNDON, VIRGINIA


Home > North America > United States > Virginia
Elevation: 98 meters     Latitude: 38 57N     Longitude: 077 27W

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DAILY WEATHER AVERAGE - 21 APRIL
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 13.8 °C 19.6 °C 7.9 °C 26.7 °C (2012) 0 °C (1997)
Dewpoint 7.5 °C 11.1 °C 3.9 °C 17 °C (2000) -7.2 °C (2007)
Humidity 70.1 % 93.1 % 46.6 % 17 % (2007)
Barometer 1015.6 hPa 1018.6 hPa 1011.9 hPa 1036.2 hPa (2013) 1000.3 hPa (2000)
Wind Speed 10.8 km/h 24.1 km/h 42.6 km/h (2012)
Wind Gust 42.3 km/h 59.2 km/h (2012)
Precipitation 9.14 mm 83.57 mm (2008)
Weather ElementAverage
Visibility14.6 km
Wind DirectionSSE (156.2 °)
Weather ElementTotal
Heating Degree Days6 (Base 18.3)
Cooling Degree Days1.2 (Base 18.3)
Growing Degree Days4.9 (Base 10)
Total Years on Record: 21
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WIND DIRECTION BREAKOUT




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