RESTON, VIRGINIA

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Elevation: 288 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 21, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	71.2 ^°F	84.9 ^°F (3:52 pm)	62.1 ^°F (2:52 am)
Dewpoint	67.4 ^°F	71.6 ^°F (1:52 am)	62.1 ^°F (5:52 am)
Humidity	88.8 ^%	100 ^% (5:52 am)	57 ^% (10:52 am)
Barometer	30.02 ⁱⁿ	30.07 ⁱⁿ (12:52 am)	29.99 ⁱⁿ (5:52 am)
Wind Speed	4.7 ^mph	28.8 ^mph (4:40 pm)
Wind Gust		47.2 ^mph (4:55 pm)

Weather Element	Average
Visibility	5.4 ^mi
Wind Direction	ESE (98 °)

Weather Element	Total
Precipitation	4.31 ⁱⁿ
Cooling Degree Days	8.5 (Base 65)
Growing Degree Days	23.5 (Base 50)

Averaged from 49 records on August 21, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - AUGUST 21, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	64.9 ^°F	64.0 ^°F	97 ^%	30.01 ⁱⁿ	10.0 ^mi	East (100°)	3.5 ^mph				Scattered Clouds
1:52 AM	64.9 ^°F	64.0 ^°F	97 ^%	30.00 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph				Partly Cloudy
2:52 AM	64.9 ^°F	64.0 ^°F	97 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm					Partly Cloudy
3:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.99 ⁱⁿ	10.0 ^mi	Calm					Clear
4:52 AM	63.0 ^°F	62.1 ^°F	97 ^%	30.00 ⁱⁿ	9.0 ^mi	Calm					Clear
5:39 AM	62.6 ^°F	62.6 ^°F	100 ^%	30.02 ⁱⁿ	1.8 ^mi	Calm					Clear
5:47 AM	62.6 ^°F	62.6 ^°F	100 ^%	30.02 ⁱⁿ	5.0 ^mi	Calm					Scattered Clouds
5:52 AM	62.1 ^°F	62.1 ^°F	100 ^%	30.01 ⁱⁿ	5.0 ^mi	Calm				Fog	Scattered Clouds
6:27 AM	62.6 ^°F	62.6 ^°F	100 ^%	30.04 ⁱⁿ	5.0 ^mi	NW (310°)	3.5 ^mph			Fog	Patches of Fog
6:50 AM	64.4 ^°F	64.4 ^°F	100 ^%	30.05 ⁱⁿ	0.0 ^mi	Calm				Fog	Patches of Fog
6:52 AM	64.0 ^°F	64.0 ^°F	100 ^%	30.04 ⁱⁿ	0.0 ^mi	Calm				Fog	Patches of Fog
6:57 AM	64.4 ^°F	64.4 ^°F	100 ^%	30.05 ⁱⁿ	0.0 ^mi	Calm				Fog	Fog
7:20 AM	64.4 ^°F	64.4 ^°F	100 ^%	30.05 ⁱⁿ	0.8 ^mi	Calm				Fog	Patches of Fog
7:52 AM	66.0 ^°F	64.9 ^°F	96 ^%	30.05 ⁱⁿ	0.5 ^mi	Calm				Fog	Patches of Fog
8:52 AM	66.9 ^°F	66.0 ^°F	97 ^%	30.06 ⁱⁿ	0.5 ^mi	Calm				Fog	Patches of Fog
9:05 AM	66.2 ^°F	66.2 ^°F	100 ^%	30.06 ⁱⁿ	1.2 ^mi	Calm				Fog	Patches of Fog
9:20 AM	68.0 ^°F	66.2 ^°F	94 ^%	30.06 ⁱⁿ	3.0 ^mi	Calm				Fog	Patches of Fog
9:52 AM	72.0 ^°F	68.0 ^°F	87 ^%	30.06 ⁱⁿ	3.0 ^mi	WSW (250°)	3.5 ^mph			Fog	Patches of Fog
10:02 AM	69.8 ^°F	68.0 ^°F	94 ^%	30.07 ⁱⁿ	3.0 ^mi	SW (230°)	4.6 ^mph			Fog	Patches of Fog
10:52 AM	75.0 ^°F	70.0 ^°F	84 ^%	30.06 ⁱⁿ	6.0 ^mi	Calm					Haze
11:52 AM	79.0 ^°F	70.0 ^°F	74 ^%	30.04 ⁱⁿ	10.0 ^mi	Calm					Mostly Cloudy
12:52 PM	84.0 ^°F	70.0 ^°F	63 ^%	30.04 ⁱⁿ	10.0 ^mi	Variable	4.6 ^mph				Mostly Cloudy
1:52 PM	84.9 ^°F	68.0 ^°F	57 ^%	30.02 ⁱⁿ	10.0 ^mi	Calm					Mostly Cloudy
2:52 PM	84.0 ^°F	71.1 ^°F	65 ^%	30.00 ⁱⁿ	10.0 ^mi	South (180°)	5.8 ^mph				Mostly Cloudy
3:52 PM	84.0 ^°F	69.1 ^°F	61 ^%	29.99 ⁱⁿ	10.0 ^mi	SW (220°)	5.8 ^mph				Overcast
4:14 PM	82.4 ^°F	69.8 ^°F	66 ^%	29.99 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph			Thunderstorm	Thunderstorm
4:29 PM	82.4 ^°F	69.8 ^°F	66 ^%	30.00 ⁱⁿ	10.0 ^mi	Calm				Thunderstorm	Thunderstorm
4:35 PM	80.6 ^°F	71.6 ^°F	74 ^%	30.00 ⁱⁿ	2.0 ^mi	North (10°)	12.7 ^mph	26.5 ^mph	0.00 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
4:40 PM	73.4 ^°F	69.8 ^°F	88 ^%	30.04 ⁱⁿ	0.2 ^mi	NNW (340°)	28.8 ^mph	41.4 ^mph	0.12 ⁱⁿ	Fog-Rain-Thunderstorm	Thunderstorms and Rain
4:43 PM	69.8 ^°F	64.4 ^°F	83 ^%	30.06 ⁱⁿ	0.2 ^mi	NNW (330°)	21.9 ^mph	41.4 ^mph	0.26 ⁱⁿ	Rain-Thunderstorm	Heavy Thunderstorms and Rain
4:47 PM	69.8 ^°F	64.4 ^°F	83 ^%	30.07 ⁱⁿ	0.1 ^mi	NNW (330°)	15.0 ^mph	41.4 ^mph	0.46 ⁱⁿ	Rain-Thunderstorm	Heavy Thunderstorms and Rain
4:52 PM	70.0 ^°F	64.9 ^°F	84 ^%	30.01 ⁱⁿ	0.1 ^mi	ESE (110°)	16.1 ^mph	40.3 ^mph	0.98 ⁱⁿ	Rain-Thunderstorm	Heavy Thunderstorms and Rain
4:55 PM	69.8 ^°F	64.4 ^°F	83 ^%	30.01 ⁱⁿ	0.1 ^mi	ESE (110°)	21.9 ^mph	47.2 ^mph	0.39 ⁱⁿ	Rain-Thunderstorm	Heavy Thunderstorms and Rain
5:03 PM	73.4 ^°F	66.2 ^°F	78 ^%	30.01 ⁱⁿ	5.0 ^mi	ESE (120°)	15.0 ^mph	25.3 ^mph	0.40 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
5:10 PM	73.4 ^°F	68.0 ^°F	83 ^%	30.01 ⁱⁿ	7.0 ^mi	SSE (150°)	8.1 ^mph	19.6 ^mph	0.40 ⁱⁿ		Overcast
5:27 PM	71.6 ^°F	69.8 ^°F	94 ^%	30.01 ⁱⁿ	3.0 ^mi	SSE (150°)	5.8 ^mph		0.40 ⁱⁿ	Rain	Light Rain
5:44 PM	71.6 ^°F	69.8 ^°F	94 ^%	30.02 ⁱⁿ	3.0 ^mi	SSE (150°)	3.5 ^mph		0.44 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
5:52 PM	72.0 ^°F	70.0 ^°F	93 ^%	30.01 ⁱⁿ	3.0 ^mi	South (170°)	9.2 ^mph		0.44 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
6:24 PM	73.4 ^°F	69.8 ^°F	88 ^%	29.99 ⁱⁿ	8.0 ^mi	SSE (160°)	5.8 ^mph		0.01 ⁱⁿ		Overcast
6:52 PM	73.0 ^°F	71.1 ^°F	93 ^%	29.99 ⁱⁿ	8.0 ^mi	Calm			0.01 ⁱⁿ		Overcast
7:24 PM	73.4 ^°F	71.6 ^°F	94 ^%	30.00 ⁱⁿ	7.0 ^mi	NNW (330°)	5.8 ^mph				Overcast
7:32 PM	73.4 ^°F	71.6 ^°F	94 ^%	30.01 ⁱⁿ	7.0 ^mi	Variable	5.8 ^mph			Thunderstorm	Thunderstorm
7:52 PM	73.0 ^°F	70.0 ^°F	90 ^%	30.00 ⁱⁿ	7.0 ^mi	SSE (160°)	5.8 ^mph		0.00 ⁱⁿ	Thunderstorm	Thunderstorm
8:20 PM	73.4 ^°F	69.8 ^°F	88 ^%	29.99 ⁱⁿ	10.0 ^mi	SSE (160°)	4.6 ^mph				Overcast
8:52 PM	72.0 ^°F	70.0 ^°F	93 ^%	29.99 ⁱⁿ	8.0 ^mi	South (180°)	3.5 ^mph				Overcast
9:01 PM	71.6 ^°F	69.8 ^°F	94 ^%	30.00 ⁱⁿ	8.0 ^mi	SW (230°)	3.5 ^mph				Overcast
9:52 PM	72.0 ^°F	71.1 ^°F	97 ^%	30.00 ⁱⁿ	8.0 ^mi	Calm					Overcast
10:52 PM	71.6 ^°F	69.8 ^°F	94 ^%	30.00 ⁱⁿ	7.0 ^mi	Calm					Overcast
11:52 PM	72.0 ^°F	71.1 ^°F	97 ^%	30.00 ⁱⁿ	8.0 ^mi	Calm					Scattered Clouds

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