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HERNDON, VIRGINIA


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

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Number of Records: 213,900;   Date Range: 1/1/95 - 3/22/16
 
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WEATHER ALMANAC - 30 OCTOBER, 2014
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[ °F ]   °C
Weather ElementAverageHighLow
Temperature8.1 °C13.9 °C (1:52 pm)2.2 °C (11:52 pm)
Dewpoint3 °C6 °C (12:52 am)1.1 °C (11:52 pm)
Humidity73.8 %100 % (2:52 am)47 % (1:52 pm)
Barometer1017.6 hPa1019 hPa (9:52 am)1015.9 hPa (12:52 am)
Wind Speed6.8 km/h20.4 km/h (4:52 pm)
Weather ElementAverage
Visibility15.1 km
Wind DirectionSSE (174.2 °)

Weather ElementTotal
Precipitation---
Heating Degree Days10.3 (Base 18.3)
Averaged from 24 records on 30 October, 2014
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT
WEATHER BY HOUR - 30 OCTOBER, 2014
[ °F ]   °C
Local TimeTemperatureDewpointHumidityBarometerVisibilityWind DirectionWind SpeedGust SpeedPrecipitationEventsConditions
12:52 AM7 °C6 °C93 %1015.9 hPa14.5 kmCalmFogShallow Fog
1:52 AM5 °C4.4 °C96 %1016.3 hPa11.3 kmCalmFogPatches of Fog
2:52 AM4.4 °C4.4 °C100 %1016.3 hPa8 kmCalmFogPatches of Fog
3:52 AM2.8 °C2.8 °C100 %1016.6 hPa11.3 kmCalmFogPatches of Fog
4:52 AM3.3 °C3.3 °C100 %1016.9 hPa14.5 kmCalmFogShallow Fog
5:52 AM3.3 °C2.8 °C97 %1017.3 hPa14.5 kmCalmFogShallow Fog
6:52 AM5 °C3.3 °C89 %1017.6 hPa16.1 kmNW (320°)5.6 km/hScattered Clouds
7:52 AM4.4 °C3.3 °C93 %1017.9 hPa16.1 kmCalmScattered Clouds
8:52 AM7 °C4 °C81 %1018.6 hPa16.1 kmNW (310°)7.4 km/hScattered Clouds
9:52 AM10 °C4.4 °C68 %1019 hPa16.1 kmNW (310°)13 km/hPartly Cloudy
10:52 AM12 °C3 °C54 %1019 hPa16.1 kmNNW (330°)14.8 km/hClear
11:52 AM12.8 °C3.3 °C53 %1018.6 hPa16.1 kmNW (320°)16.7 km/hPartly Cloudy
12:52 PM13.3 °C2.8 °C49 %1018.3 hPa16.1 kmWNW (300°)13 km/hScattered Clouds
1:52 PM13.9 °C2.8 °C47 %1017.3 hPa16.1 kmNorth (350°)11.1 km/hScattered Clouds
2:52 PM13 °C2 °C47 %1016.9 hPa16.1 kmNW (310°)18.5 km/hMostly Cloudy
3:52 PM13.3 °C2.2 °C47 %1017.3 hPa16.1 kmNNW (330°)11.1 km/hMostly Cloudy
4:52 PM12.2 °C2.2 °C51 %1017.3 hPa16.1 kmNW (320°)20.4 km/hMostly Cloudy
5:52 PM11.7 °C1.7 °C50 %1017.6 hPa16.1 kmNW (320°)14.8 km/hMostly Cloudy
6:52 PM10.6 °C2.2 °C56 %1017.9 hPa16.1 kmNNW (340°)9.3 km/hMostly Cloudy
7:52 PM10 °C2.2 °C59 %1017.9 hPa16.1 kmNW (320°)5.6 km/hMostly Cloudy
8:52 PM6.7 °C3.3 °C79 %1017.9 hPa16.1 kmCalmPartly Cloudy
9:52 PM5.6 °C2.2 °C79 %1017.9 hPa16.1 kmCalmPartly Cloudy
10:52 PM3.3 °C1.7 °C89 %1017.9 hPa16.1 kmCalmClear
11:52 PM2.2 °C1.1 °C93 %1017.6 hPa16.1 kmCalmScattered Clouds
Hourly data recorded from KIAD, located 0 kilometers away from Herndon, Virginia




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