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 29, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	77.2 ^°F	86 ^°F (2:52 pm)	69.8 ^°F (5:14 am)
Dewpoint	72 ^°F	75 ^°F (3:52 pm)	69.1 ^°F (3:52 am)
Humidity	84.8 ^%	100 ^% (5:14 am)	67 ^% (2:52 pm)
Barometer	29.99 ⁱⁿ	30.03 ⁱⁿ (8:40 am)	29.93 ⁱⁿ (5:52 pm)
Wind Speed	4.1 ^mph	10.4 ^mph (12:30 pm)
Wind Gust		16.1 ^mph (4:52 pm)

Weather Element	Average
Visibility	7.6 ^mi
Wind Direction	ESE (101.2 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	12.9 (Base 65)
Growing Degree Days	27.9 (Base 50)

Averaged from 34 records on July 29, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - JULY 29, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Events	Conditions
12:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	30.00 ⁱⁿ	9.0 ^mi	Calm				Clear
1:52 AM	72.0 ^°F	71.1 ^°F	97 ^%	29.99 ⁱⁿ	8.0 ^mi	Calm				Clear
2:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	29.99 ⁱⁿ	8.0 ^mi	Calm				Clear
3:52 AM	70.0 ^°F	69.1 ^°F	97 ^%	29.98 ⁱⁿ	8.0 ^mi	Calm				Mostly Cloudy
4:18 AM	71.6 ^°F	69.8 ^°F	94 ^%	29.99 ⁱⁿ	6.0 ^mi	Calm				Mostly Cloudy
4:44 AM	71.6 ^°F	69.8 ^°F	94 ^%	29.99 ⁱⁿ	7.0 ^mi	Calm				Scattered Clouds
4:52 AM	71.1 ^°F	70.0 ^°F	96 ^%	29.99 ⁱⁿ	7.0 ^mi	Calm				Scattered Clouds
5:14 AM	69.8 ^°F	69.8 ^°F	100 ^%	30.00 ⁱⁿ	3.0 ^mi	Calm				Mostly Cloudy
5:17 AM	69.8 ^°F	69.8 ^°F	100 ^%	30.00 ⁱⁿ	1.5 ^mi	Calm				Mostly Cloudy
5:29 AM	71.6 ^°F	69.8 ^°F	94 ^%	30.00 ⁱⁿ	1.0 ^mi	Calm				Overcast
5:52 AM	71.1 ^°F	71.1 ^°F	100 ^%	29.99 ⁱⁿ	1.5 ^mi	Calm				Overcast
6:18 AM	71.6 ^°F	71.6 ^°F	100 ^%	30.00 ⁱⁿ	2.5 ^mi	Calm			Fog	Patches of Fog
6:52 AM	72.0 ^°F	72.0 ^°F	100 ^%	30.00 ⁱⁿ	2.0 ^mi	Calm			Fog	Patches of Fog
7:52 AM	73.9 ^°F	72.0 ^°F	93 ^%	30.00 ⁱⁿ	2.0 ^mi	Calm			Fog	Patches of Fog
8:40 AM	75.2 ^°F	73.4 ^°F	94 ^%	30.03 ⁱⁿ	6.0 ^mi	Calm				Overcast
8:52 AM	75.9 ^°F	73.0 ^°F	91 ^%	30.02 ⁱⁿ	6.0 ^mi	SSW (200°)	5.8 ^mph			Overcast
9:13 AM	78.8 ^°F	73.4 ^°F	83 ^%	30.02 ⁱⁿ	10.0 ^mi	SSW (200°)	6.9 ^mph			Scattered Clouds
9:52 AM	79.0 ^°F	73.9 ^°F	84 ^%	30.01 ⁱⁿ	10.0 ^mi	SSW (200°)	5.8 ^mph			Scattered Clouds
10:33 AM	80.6 ^°F	73.4 ^°F	79 ^%	30.02 ⁱⁿ	10.0 ^mi	SSW (210°)	6.9 ^mph			Mostly Cloudy
10:52 AM	81.0 ^°F	73.9 ^°F	79 ^%	30.01 ⁱⁿ	10.0 ^mi	SSW (210°)	4.6 ^mph			Mostly Cloudy
11:52 AM	82.9 ^°F	73.0 ^°F	72 ^%	30.01 ⁱⁿ	10.0 ^mi	SSE (160°)	5.8 ^mph			Mostly Cloudy
12:30 PM	82.4 ^°F	71.6 ^°F	70 ^%	30.01 ⁱⁿ	10.0 ^mi	SSW (210°)	10.4 ^mph			Mostly Cloudy
12:52 PM	84.9 ^°F	73.9 ^°F	69 ^%	30.00 ⁱⁿ	10.0 ^mi	SSW (200°)	10.4 ^mph			Mostly Cloudy
1:52 PM	84.0 ^°F	73.9 ^°F	72 ^%	29.99 ⁱⁿ	10.0 ^mi	Variable	6.9 ^mph			Mostly Cloudy
2:52 PM	86.0 ^°F	73.9 ^°F	67 ^%	29.96 ⁱⁿ	10.0 ^mi	South (180°)	9.2 ^mph			Mostly Cloudy
3:52 PM	86.0 ^°F	75.0 ^°F	70 ^%	29.96 ⁱⁿ	10.0 ^mi	SW (220°)	10.4 ^mph			Mostly Cloudy
4:52 PM	84.9 ^°F	73.9 ^°F	69 ^%	29.95 ⁱⁿ	10.0 ^mi	South (180°)	10.4 ^mph	16.1 ^mph		Mostly Cloudy
5:52 PM	84.0 ^°F	73.9 ^°F	72 ^%	29.93 ⁱⁿ	10.0 ^mi	South (190°)	9.2 ^mph			Partly Cloudy
6:52 PM	84.0 ^°F	73.0 ^°F	69 ^%	29.93 ⁱⁿ	10.0 ^mi	SSW (200°)	9.2 ^mph			Scattered Clouds
7:52 PM	82.0 ^°F	73.0 ^°F	74 ^%	29.94 ⁱⁿ	10.0 ^mi	South (190°)	4.6 ^mph			Scattered Clouds
8:52 PM	81.0 ^°F	72.0 ^°F	74 ^%	29.94 ⁱⁿ	10.0 ^mi	South (170°)	4.6 ^mph			Mostly Cloudy
9:52 PM	79.0 ^°F	72.0 ^°F	79 ^%	29.96 ⁱⁿ	10.0 ^mi	South (170°)	6.9 ^mph			Scattered Clouds
10:52 PM	78.1 ^°F	71.1 ^°F	79 ^%	29.95 ⁱⁿ	10.0 ^mi	South (180°)	4.6 ^mph			Partly Cloudy
11:52 PM	78.1 ^°F	71.1 ^°F	79 ^%	29.94 ⁱⁿ	10.0 ^mi	South (170°)	6.9 ^mph			Clear

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