HERNDON, VIRGINIA

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Elevation: 322 feet Latitude: 38 57N Longitude: 077 27W

WEATHER

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Number of Records: 213,900; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - OCTOBER 17, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	55.8 ^°F	71.1 ^°F (3:52 pm)	(5:50 am)
Dewpoint	47.8 ^°F	54 ^°F (9:52 am)	(7:00 pm)
Humidity	75.5 ^%	100 ^% (1:52 am)	47 ^% (3:52 pm)
Barometer	29.76 ⁱⁿ	29.83 ⁱⁿ (9:52 am)	29.68 ⁱⁿ (11:52 pm)
Wind Speed	6.4 ^mph	15 ^mph (3:52 pm)
Wind Gust		20.7 ^mph (2:52 pm)

Weather Element	Average
Visibility	9.2 ^mi
Wind Direction	SSE (153.8 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	29.5 (Base 65)

Averaged from 26 records on October 17, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - OCTOBER 17, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Events	Conditions
12:52 AM	54.0 ^°F	53.1 ^°F	97 ^%	29.76 ⁱⁿ	5.0 ^mi	SSW (210°)	3.5 ^mph		Fog	Scattered Clouds
1:52 AM	53.1 ^°F	53.1 ^°F	100 ^%	29.77 ⁱⁿ	7.0 ^mi	WSW (250°)	3.5 ^mph		Fog	Shallow Fog
2:52 AM	54.0 ^°F	53.1 ^°F	97 ^%	29.77 ⁱⁿ	9.0 ^mi	Variable	3.5 ^mph			Mostly Cloudy
3:52 AM	54.0 ^°F	53.1 ^°F	97 ^%	29.77 ⁱⁿ	9.0 ^mi	Calm				Scattered Clouds
4:52 AM	53.6 ^°F	51.8 ^°F	94 ^%	29.77 ⁱⁿ	9.0 ^mi	South (190°)	3.5 ^mph		Fog	Shallow Fog
5:50 AM	0.0 ^°F	0.0 ^°F			6.0 ^mi	SSW (210°)	4.6 ^mph		Fog	Shallow Fog
5:52 AM	51.1 ^°F	51.1 ^°F	100 ^%	29.78 ⁱⁿ	9.0 ^mi	SW (220°)	3.5 ^mph		Fog	Patches of Fog
6:52 AM	48.9 ^°F	48.9 ^°F	100 ^%	29.80 ⁱⁿ	6.0 ^mi	SSW (200°)	3.5 ^mph		Fog	Patches of Fog
7:52 AM	50.0 ^°F	50.0 ^°F	100 ^%	29.81 ⁱⁿ	10.0 ^mi	Calm				Partly Cloudy
8:52 AM	0.0 ^°F	0.0 ^°F		29.82 ⁱⁿ	10.0 ^mi	Calm				Partly Cloudy
9:03 AM	57.2 ^°F	51.8 ^°F	82 ^%	29.82 ⁱⁿ	10.0 ^mi	Calm				Partly Cloudy
9:52 AM	60.1 ^°F	54.0 ^°F	80 ^%	29.83 ⁱⁿ	10.0 ^mi	SSW (200°)	5.8 ^mph			Partly Cloudy
10:52 AM	64.0 ^°F	53.1 ^°F	67 ^%	29.82 ⁱⁿ	10.0 ^mi	SSW (210°)	8.1 ^mph			Scattered Clouds
11:52 AM	66.0 ^°F	53.1 ^°F	63 ^%	29.81 ⁱⁿ	10.0 ^mi	South (190°)	8.1 ^mph			Scattered Clouds
12:52 PM	68.0 ^°F	53.1 ^°F	59 ^%	29.79 ⁱⁿ	10.0 ^mi	South (190°)	8.1 ^mph			Partly Cloudy
1:52 PM	69.1 ^°F	51.1 ^°F	53 ^%	29.76 ⁱⁿ	10.0 ^mi	SSW (210°)	5.8 ^mph	17.3 ^mph		Scattered Clouds
2:52 PM	70.0 ^°F	50.0 ^°F	49 ^%	29.73 ⁱⁿ	10.0 ^mi	South (190°)	11.5 ^mph	20.7 ^mph		Scattered Clouds
3:52 PM	71.1 ^°F	50.0 ^°F	47 ^%	29.72 ⁱⁿ	10.0 ^mi	SSW (210°)	15.0 ^mph			Scattered Clouds
4:52 PM	70.0 ^°F	50.0 ^°F	49 ^%	29.70 ⁱⁿ	10.0 ^mi	SSW (200°)	12.7 ^mph	18.4 ^mph		Partly Cloudy
5:52 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.69 ⁱⁿ	10.0 ^mi	SSW (200°)	11.5 ^mph	17.3 ^mph		Partly Cloudy
6:52 PM	64.9 ^°F	51.1 ^°F	61 ^%	29.70 ⁱⁿ	10.0 ^mi	South (180°)	8.1 ^mph			Scattered Clouds
7:52 PM	64.0 ^°F	52.0 ^°F	65 ^%	29.70 ⁱⁿ	10.0 ^mi	South (170°)	9.2 ^mph			Partly Cloudy
8:52 PM	63.0 ^°F	52.0 ^°F	67 ^%	29.70 ⁱⁿ	10.0 ^mi	South (180°)	11.5 ^mph			Mostly Cloudy
9:52 PM	61.0 ^°F	52.0 ^°F	72 ^%	29.70 ⁱⁿ	10.0 ^mi	SSW (210°)	11.5 ^mph			Clear
10:52 PM	57.9 ^°F	52.0 ^°F	81 ^%	29.70 ⁱⁿ	10.0 ^mi	Variable	5.8 ^mph			Partly Cloudy
11:52 PM	57.9 ^°F	52.0 ^°F	81 ^%	29.68 ⁱⁿ	10.0 ^mi	South (180°)	8.1 ^mph			Clear

Hourly data recorded from KIAD, located miles away from Herndon, Virginia