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 - JULY 28, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	78 ^°F	89.1 ^°F (2:52 pm)	70 ^°F (4:52 am)
Dewpoint	70.9 ^°F	73 ^°F (11:52 am)	69.1 ^°F (4:52 am)
Humidity	80.5 ^%	97 ^% (4:52 am)	57 ^% (2:52 pm)
Barometer	29.99 ⁱⁿ	30.02 ⁱⁿ (8:52 am)	29.93 ⁱⁿ (5:52 pm)
Wind Speed	3 ^mph	15 ^mph (6:52 pm)
Wind Gust		25.3 ^mph (7:09 pm)

Weather Element	Average
Visibility	9.1 ^mi
Wind Direction	ENE (73.8 °)

Weather Element	Total
Precipitation	0.06 ⁱⁿ
Cooling Degree Days	14.6 (Base 65)
Growing Degree Days	29.6 (Base 50)

Averaged from 26 records on July 28, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - JULY 28, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	72.0 ^°F	70.0 ^°F	93 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm					Scattered Clouds
1:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	30.01 ⁱⁿ	8.0 ^mi	Calm					Scattered Clouds
2:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	30.01 ⁱⁿ	7.0 ^mi	SSE (160°)	3.5 ^mph				Scattered Clouds
3:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	30.00 ⁱⁿ	6.0 ^mi	Calm					Partly Cloudy
4:52 AM	70.0 ^°F	69.1 ^°F	97 ^%	30.00 ⁱⁿ	6.0 ^mi	Calm					Partly Cloudy
5:52 AM	70.0 ^°F	69.1 ^°F	97 ^%	30.00 ⁱⁿ	5.0 ^mi	Calm				Fog	Shallow Fog
6:52 AM	71.1 ^°F	69.1 ^°F	93 ^%	30.01 ⁱⁿ	6.0 ^mi	Calm					Clear
7:52 AM	75.9 ^°F	71.1 ^°F	85 ^%	30.01 ⁱⁿ	9.0 ^mi	Calm					Clear
8:52 AM	78.1 ^°F	72.0 ^°F	81 ^%	30.02 ⁱⁿ	10.0 ^mi	West (280°)	3.5 ^mph				Clear
9:52 AM	80.1 ^°F	72.0 ^°F	76 ^%	30.02 ⁱⁿ	10.0 ^mi	NW (310°)	6.9 ^mph				Partly Cloudy
10:52 AM	84.0 ^°F	72.0 ^°F	67 ^%	30.01 ⁱⁿ	10.0 ^mi	NNE (30°)	5.8 ^mph				Scattered Clouds
11:52 AM	84.9 ^°F	73.0 ^°F	67 ^%	30.01 ⁱⁿ	10.0 ^mi	NE (50°)	5.8 ^mph				Scattered Clouds
12:52 PM	84.9 ^°F	71.1 ^°F	63 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm					Mostly Cloudy
1:52 PM	87.1 ^°F	71.1 ^°F	59 ^%	29.97 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph				Mostly Cloudy
2:52 PM	89.1 ^°F	72.0 ^°F	57 ^%	29.96 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph				Mostly Cloudy
3:52 PM	89.1 ^°F	72.0 ^°F	57 ^%	29.96 ⁱⁿ	10.0 ^mi	ENE (70°)	4.6 ^mph				Mostly Cloudy
4:52 PM	87.1 ^°F	71.1 ^°F	59 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm					Mostly Cloudy
5:52 PM	87.1 ^°F	70.0 ^°F	57 ^%	29.93 ⁱⁿ	10.0 ^mi	Calm					Scattered Clouds
6:52 PM	84.0 ^°F	72.0 ^°F	67 ^%	29.95 ⁱⁿ	10.0 ^mi	SE (140°)	15.0 ^mph	20.7 ^mph			Mostly Cloudy
7:09 PM	80.6 ^°F	71.6 ^°F	74 ^%	29.98 ⁱⁿ	10.0 ^mi	South (170°)	10.4 ^mph	25.3 ^mph	0.00 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
7:52 PM	73.9 ^°F	72.0 ^°F	93 ^%	29.98 ⁱⁿ	10.0 ^mi	SSW (210°)	10.4 ^mph	19.6 ^mph	0.06 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
8:16 PM	73.4 ^°F	69.8 ^°F	88 ^%	29.99 ⁱⁿ	10.0 ^mi	NW (320°)	3.5 ^mph		0.00 ⁱⁿ	Rain	Light Rain
8:52 PM	73.0 ^°F	71.1 ^°F	93 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm			0.00 ⁱⁿ		Overcast
9:52 PM	73.0 ^°F	71.1 ^°F	93 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm					Partly Cloudy
10:52 PM	73.0 ^°F	71.1 ^°F	93 ^%	30.01 ⁱⁿ	10.0 ^mi	Calm					Partly Cloudy
11:52 PM	72.0 ^°F	71.1 ^°F	97 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm					Clear

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