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 - APRIL 18, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	41.9 ^°F	59 ^°F (10:53 am)	30.2 ^°F (5:40 am)
Dewpoint	31.7 ^°F	37.4 ^°F (10:53 am)	28.4 ^°F (5:40 am)
Humidity	69.7 ^%	93 ^% (4:25 am)	41 ^% (4:52 pm)
Barometer	30.43 ⁱⁿ	30.55 ⁱⁿ (1:52 am)	30.27 ⁱⁿ (6:52 pm)
Wind Speed	2.2 ^mph	8.1 ^mph (7:52 pm)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	NE (40 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	20.4 (Base 65)

Averaged from 33 records on April 18, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - APRIL 18, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
1:52 AM	36.0 ^°F	30.0 ^°F	79 ^%	30.55 ⁱⁿ	10.0 ^mi	East (90°)	3.5 ^mph	Partly Cloudy
2:52 AM	35.1 ^°F	30.9 ^°F	85 ^%	30.51 ⁱⁿ	10.0 ^mi	Calm		Partly Cloudy
3:52 AM	33.1 ^°F	30.9 ^°F	92 ^%	30.51 ⁱⁿ	10.0 ^mi	Calm		Clear
4:25 AM	32.0 ^°F	30.2 ^°F	93 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
4:52 AM	32.0 ^°F	30.0 ^°F	92 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
4:59 AM	32.0 ^°F	30.2 ^°F	93 ^%	30.49 ⁱⁿ	10.0 ^mi	Calm		Clear
5:40 AM	30.2 ^°F	28.4 ^°F	93 ^%	30.51 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
5:52 AM	30.9 ^°F	28.9 ^°F	92 ^%	30.51 ⁱⁿ	10.0 ^mi	Calm		Overcast
6:15 AM	30.2 ^°F	28.4 ^°F	93 ^%	30.51 ⁱⁿ	10.0 ^mi	Calm		Scattered Clouds
6:19 AM	30.2 ^°F	28.4 ^°F	93 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
6:52 AM	33.1 ^°F	30.9 ^°F	92 ^%	30.50 ⁱⁿ	10.0 ^mi	ENE (60°)	4.6 ^mph	Mostly Cloudy
7:52 AM	37.0 ^°F	30.9 ^°F	79 ^%	30.51 ⁱⁿ	10.0 ^mi	ENE (70°)	3.5 ^mph	Mostly Cloudy
8:29 AM	37.4 ^°F	32.0 ^°F	81 ^%	30.49 ⁱⁿ	10.0 ^mi	East (80°)	4.6 ^mph	Overcast
8:52 AM	37.9 ^°F	30.9 ^°F	76 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:33 AM	39.2 ^°F	30.2 ^°F	70 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
9:52 AM	41.0 ^°F	32.0 ^°F	70 ^%	30.50 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
10:10 AM	41.0 ^°F	30.2 ^°F	65 ^%	30.49 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:33 AM	42.8 ^°F	32.0 ^°F	66 ^%	30.49 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:52 AM	43.0 ^°F	30.9 ^°F	62 ^%	30.49 ⁱⁿ	10.0 ^mi	Calm		Overcast
10:53 AM	59.0 ^°F	37.4 ^°F	45 ^%	30.29 ⁱⁿ	10.0 ^mi	Calm		Clear
11:52 AM	45.0 ^°F	30.9 ^°F	58 ^%	30.48 ⁱⁿ	10.0 ^mi	Calm		Overcast
12:52 PM	46.9 ^°F	33.1 ^°F	59 ^%	30.43 ⁱⁿ	10.0 ^mi	NE (50°)	3.5 ^mph	Overcast
1:52 PM	50.0 ^°F	32.0 ^°F	50 ^%	30.41 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph	Mostly Cloudy
2:52 PM	52.0 ^°F	32.0 ^°F	47 ^%	30.38 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph	Mostly Cloudy
3:52 PM	55.0 ^°F	33.1 ^°F	43 ^%	30.36 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph	Mostly Cloudy
4:52 PM	55.4 ^°F	32.0 ^°F	41 ^%	30.32 ⁱⁿ	10.0 ^mi	Variable	6.9 ^mph	Mostly Cloudy
5:52 PM	54.0 ^°F	32.0 ^°F	43 ^%	30.31 ⁱⁿ	10.0 ^mi	SSE (150°)	5.8 ^mph	Mostly Cloudy
6:52 PM	53.1 ^°F	33.1 ^°F	47 ^%	30.27 ⁱⁿ	10.0 ^mi	SSE (160°)	5.8 ^mph	Overcast
7:52 PM	50.0 ^°F	34.0 ^°F	54 ^%	30.30 ⁱⁿ	10.0 ^mi	South (180°)	8.1 ^mph	Overcast
8:52 PM	48.0 ^°F	34.0 ^°F	58 ^%	30.31 ⁱⁿ	10.0 ^mi	SSE (160°)	4.6 ^mph	Overcast
9:52 PM	48.0 ^°F	35.1 ^°F	61 ^%	30.31 ⁱⁿ	10.0 ^mi	South (170°)	5.8 ^mph	Overcast
10:52 PM	46.4 ^°F	35.6 ^°F	66 ^%	30.29 ⁱⁿ	10.0 ^mi	SSE (150°)	4.6 ^mph	Overcast
11:52 PM	46.0 ^°F	34.0 ^°F	63 ^%	30.28 ⁱⁿ	10.0 ^mi	Calm		Overcast

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