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 - AUGUST 26, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	70.6 ^°F	79 ^°F (4:52 pm)	62.1 ^°F (10:52 pm)
Dewpoint	52.6 ^°F	55 ^°F (10:52 pm)	50 ^°F (10:52 am)
Humidity	54.1 ^%	78 ^% (10:52 pm)	39 ^% (4:52 pm)
Barometer	30.03 ⁱⁿ	30.09 ⁱⁿ (11:52 pm)	29.96 ⁱⁿ (2:52 am)
Wind Speed	7 ^mph	11.5 ^mph (4:52 am)
Wind Gust		20.7 ^mph (10:52 am)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	WNW (282.1 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	5.6 (Base 65)
Growing Degree Days	20.6 (Base 50)

Averaged from 24 records on August 26, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - AUGUST 26, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
12:52 AM	70.0 ^°F	54.0 ^°F	57 ^%	29.97 ⁱⁿ	10.0 ^mi	NNW (330°)	5.8 ^mph		Mostly Cloudy
1:52 AM	69.1 ^°F	53.1 ^°F	57 ^%	29.97 ⁱⁿ	10.0 ^mi	NNW (330°)	5.8 ^mph		Mostly Cloudy
2:52 AM	69.1 ^°F	53.1 ^°F	57 ^%	29.96 ⁱⁿ	10.0 ^mi	North (350°)	6.9 ^mph		Mostly Cloudy
3:52 AM	66.9 ^°F	54.0 ^°F	63 ^%	29.97 ⁱⁿ	10.0 ^mi	North (350°)	10.4 ^mph		Scattered Clouds
4:52 AM	66.0 ^°F	53.1 ^°F	63 ^%	29.99 ⁱⁿ	10.0 ^mi	North (350°)	11.5 ^mph		Mostly Cloudy
5:52 AM	64.9 ^°F	53.1 ^°F	65 ^%	30.00 ⁱⁿ	10.0 ^mi	NNW (340°)	8.1 ^mph		Mostly Cloudy
6:52 AM	64.0 ^°F	54.0 ^°F	70 ^%	30.03 ⁱⁿ	10.0 ^mi	NW (310°)	4.6 ^mph		Mostly Cloudy
7:52 AM	66.0 ^°F	53.1 ^°F	63 ^%	30.04 ⁱⁿ	10.0 ^mi	NNW (330°)	9.2 ^mph		Mostly Cloudy
8:52 AM	69.1 ^°F	52.0 ^°F	54 ^%	30.05 ⁱⁿ	10.0 ^mi	NNW (330°)	9.2 ^mph		Mostly Cloudy
9:52 AM	72.0 ^°F	52.0 ^°F	49 ^%	30.05 ⁱⁿ	10.0 ^mi	NNW (340°)	10.4 ^mph		Mostly Cloudy
10:52 AM	73.0 ^°F	50.0 ^°F	44 ^%	30.06 ⁱⁿ	10.0 ^mi	NNW (330°)	11.5 ^mph	20.7 ^mph	Mostly Cloudy
11:52 AM	73.9 ^°F	52.0 ^°F	46 ^%	30.07 ⁱⁿ	10.0 ^mi	NW (320°)	8.1 ^mph	16.1 ^mph	Mostly Cloudy
12:52 PM	75.9 ^°F	53.1 ^°F	45 ^%	30.06 ⁱⁿ	10.0 ^mi	WNW (300°)	8.1 ^mph		Mostly Cloudy
1:52 PM	73.9 ^°F	52.0 ^°F	46 ^%	30.06 ⁱⁿ	10.0 ^mi	West (280°)	6.9 ^mph		Mostly Cloudy
2:52 PM	78.1 ^°F	52.0 ^°F	40 ^%	30.04 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph		Mostly Cloudy
3:52 PM	75.9 ^°F	51.1 ^°F	42 ^%	30.03 ⁱⁿ	10.0 ^mi	West (280°)	5.8 ^mph		Mostly Cloudy
4:52 PM	79.0 ^°F	52.0 ^°F	39 ^%	30.01 ⁱⁿ	10.0 ^mi	NNW (340°)	9.2 ^mph		Scattered Clouds
5:52 PM	78.1 ^°F	51.1 ^°F	39 ^%	30.00 ⁱⁿ	10.0 ^mi	NW (320°)	9.2 ^mph		Partly Cloudy
6:52 PM	75.9 ^°F	51.1 ^°F	42 ^%	30.01 ⁱⁿ	10.0 ^mi	NW (320°)	8.1 ^mph		Partly Cloudy
7:52 PM	73.0 ^°F	51.1 ^°F	46 ^%	30.02 ⁱⁿ	10.0 ^mi	NNW (330°)	5.8 ^mph		Partly Cloudy
8:52 PM	69.1 ^°F	52.0 ^°F	54 ^%	30.05 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
9:52 PM	64.0 ^°F	54.0 ^°F	70 ^%	30.07 ⁱⁿ	10.0 ^mi	West (270°)	4.6 ^mph		Partly Cloudy
10:52 PM	62.1 ^°F	55.0 ^°F	78 ^%	30.08 ⁱⁿ	10.0 ^mi	Calm			Partly Cloudy
11:52 PM	64.9 ^°F	55.0 ^°F	70 ^%	30.09 ⁱⁿ	10.0 ^mi	NW (320°)	5.8 ^mph		Clear

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