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 30, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	75.7 ^°F	86 ^°F (3:52 pm)	64 ^°F (5:52 am)
Dewpoint	64.6 ^°F	66.9 ^°F (6:52 pm)	62.1 ^°F (5:52 am)
Humidity	69.9 ^%	93 ^% (5:52 am)	48 ^% (3:52 pm)
Barometer	30.10 ⁱⁿ	30.14 ⁱⁿ (9:52 am)	30.06 ⁱⁿ (4:52 pm)
Wind Speed	4.4 ^mph	8.1 ^mph (6:52 pm)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SSE (150 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	10 (Base 65)
Growing Degree Days	25 (Base 50)

Averaged from 24 records on August 30, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - AUGUST 30, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:52 AM	72.0 ^°F	64.0 ^°F	76 ^%	30.12 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph	Partly Cloudy
1:52 AM	69.1 ^°F	64.0 ^°F	84 ^%	30.10 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph	Clear
2:52 AM	68.0 ^°F	64.0 ^°F	87 ^%	30.09 ⁱⁿ	10.0 ^mi	South (180°)	5.8 ^mph	Clear
3:52 AM	69.1 ^°F	63.0 ^°F	81 ^%	30.09 ⁱⁿ	10.0 ^mi	South (170°)	6.9 ^mph	Clear
4:52 AM	66.9 ^°F	63.0 ^°F	87 ^%	30.09 ⁱⁿ	10.0 ^mi	Calm		Partly Cloudy
5:52 AM	64.0 ^°F	62.1 ^°F	93 ^%	30.10 ⁱⁿ	10.0 ^mi	Calm		Scattered Clouds
6:52 AM	64.9 ^°F	62.1 ^°F	90 ^%	30.12 ⁱⁿ	9.0 ^mi	South (170°)	3.5 ^mph	Mostly Cloudy
7:52 AM	68.0 ^°F	64.0 ^°F	87 ^%	30.12 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph	Mostly Cloudy
8:52 AM	70.0 ^°F	64.0 ^°F	81 ^%	30.13 ⁱⁿ	10.0 ^mi	SW (230°)	3.5 ^mph	Overcast
9:52 AM	73.9 ^°F	64.0 ^°F	71 ^%	30.14 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph	Mostly Cloudy
10:52 AM	75.9 ^°F	64.9 ^°F	69 ^%	30.14 ⁱⁿ	10.0 ^mi	SSW (210°)	3.5 ^mph	Mostly Cloudy
11:52 AM	79.0 ^°F	64.9 ^°F	62 ^%	30.13 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
12:52 PM	81.0 ^°F	64.9 ^°F	58 ^%	30.12 ⁱⁿ	10.0 ^mi	Calm		Overcast
1:52 PM	81.0 ^°F	64.9 ^°F	58 ^%	30.11 ⁱⁿ	10.0 ^mi	SSW (200°)	4.6 ^mph	Mostly Cloudy
2:52 PM	84.9 ^°F	66.0 ^°F	53 ^%	30.09 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
3:52 PM	86.0 ^°F	64.0 ^°F	48 ^%	30.07 ⁱⁿ	10.0 ^mi	SW (220°)	6.9 ^mph	Scattered Clouds
4:52 PM	86.0 ^°F	64.0 ^°F	48 ^%	30.06 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph	Mostly Cloudy
5:52 PM	82.9 ^°F	66.0 ^°F	56 ^%	30.06 ⁱⁿ	10.0 ^mi	South (190°)	6.9 ^mph	Mostly Cloudy
6:52 PM	82.0 ^°F	66.9 ^°F	60 ^%	30.06 ⁱⁿ	10.0 ^mi	South (170°)	8.1 ^mph	Mostly Cloudy
7:52 PM	80.1 ^°F	64.9 ^°F	60 ^%	30.06 ⁱⁿ	10.0 ^mi	South (170°)	4.6 ^mph	Mostly Cloudy
8:52 PM	79.0 ^°F	64.9 ^°F	62 ^%	30.07 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph	Overcast
9:52 PM	78.1 ^°F	66.0 ^°F	66 ^%	30.09 ⁱⁿ	10.0 ^mi	South (190°)	4.6 ^mph	Overcast
10:52 PM	77.0 ^°F	66.9 ^°F	71 ^%	30.08 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph	Overcast
11:52 PM	77.0 ^°F	66.0 ^°F	69 ^%	30.08 ⁱⁿ	10.0 ^mi	SSW (200°)	8.1 ^mph	Overcast

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