DULLES, VIRGINIA

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Elevation: 290 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 - APRIL 30, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	58.2 ^°F	72 ^°F (2:52 pm)	46 ^°F (4:52 am)
Dewpoint	47.5 ^°F	51.1 ^°F (8:52 pm)	43 ^°F (3:52 am)
Humidity	69.5 ^%	90 ^% (5:52 am)	40 ^% (2:52 pm)
Barometer	29.70 ⁱⁿ	29.82 ⁱⁿ (10:52 pm)	29.65 ⁱⁿ (3:52 am)
Wind Speed	5.3 ^mph	17.3 ^mph (6:52 pm)

Weather Element	Average
Visibility	9.7 ^mi
Wind Direction	SSE (161 °)

Weather Element	Total
Precipitation	0.07 ⁱⁿ
Heating Degree Days	6 (Base 65)
Growing Degree Days	9 (Base 50)

Averaged from 31 records on April 30, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - APRIL 30, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:52 AM	55.9 ^°F	45.0 ^°F	67 ^%	29.69 ⁱⁿ	10.0 ^mi	South (170°)	3.5 ^mph			Clear
1:52 AM	52.0 ^°F	45.0 ^°F	77 ^%	29.67 ⁱⁿ	10.0 ^mi	Calm				Clear
2:52 AM	48.2 ^°F	44.6 ^°F	87 ^%	29.66 ⁱⁿ	10.0 ^mi	Calm				Clear
3:52 AM	46.9 ^°F	43.0 ^°F	86 ^%	29.65 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
4:52 AM	46.0 ^°F	43.0 ^°F	89 ^%	29.65 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
5:52 AM	46.9 ^°F	44.1 ^°F	90 ^%	29.65 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
6:52 AM	48.0 ^°F	44.1 ^°F	86 ^%	29.67 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
7:52 AM	54.0 ^°F	46.9 ^°F	77 ^%	29.69 ⁱⁿ	10.0 ^mi	NNE (20°)	4.6 ^mph			Mostly Cloudy
8:52 AM	57.9 ^°F	46.9 ^°F	67 ^%	29.70 ⁱⁿ	10.0 ^mi	NE (40°)	3.5 ^mph			Mostly Cloudy
9:52 AM	60.8 ^°F	48.2 ^°F	63 ^%	29.70 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
10:52 AM	64.0 ^°F	48.0 ^°F	56 ^%	29.70 ⁱⁿ	10.0 ^mi	Calm				Overcast
11:52 AM	66.9 ^°F	48.0 ^°F	51 ^%	29.70 ⁱⁿ	10.0 ^mi	Calm				Overcast
12:52 PM	68.0 ^°F	50.0 ^°F	52 ^%	29.70 ⁱⁿ	10.0 ^mi	ESE (120°)	4.6 ^mph			Mostly Cloudy
1:52 PM	68.0 ^°F	48.9 ^°F	50 ^%	29.68 ⁱⁿ	10.0 ^mi	Calm				Mostly Cloudy
2:52 PM	72.0 ^°F	46.0 ^°F	40 ^%	29.66 ⁱⁿ	10.0 ^mi	North (350°)	3.5 ^mph			Mostly Cloudy
3:32 PM	66.2 ^°F	46.4 ^°F	49 ^%	29.66 ⁱⁿ	10.0 ^mi	SW (220°)	6.9 ^mph		Thunderstorm	Thunderstorm
3:52 PM	66.9 ^°F	45.0 ^°F	45 ^%	29.66 ⁱⁿ	10.0 ^mi	North (360°)	10.4 ^mph		Thunderstorm	Thunderstorm
4:30 PM	64.4 ^°F	48.2 ^°F	56 ^%	29.66 ⁱⁿ	9.0 ^mi	NNW (330°)	12.7 ^mph			Overcast
4:52 PM	63.0 ^°F	48.0 ^°F	58 ^%	29.67 ⁱⁿ	10.0 ^mi	WNW (290°)	10.4 ^mph			Overcast
5:18 PM	62.6 ^°F	48.2 ^°F	59 ^%	29.68 ⁱⁿ	10.0 ^mi	WNW (290°)	9.2 ^mph			Clear
5:20 PM	62.6 ^°F	48.2 ^°F	59 ^%	29.68 ⁱⁿ	10.0 ^mi	WNW (290°)	9.2 ^mph		Thunderstorm	Thunderstorm
5:28 PM	62.6 ^°F	48.2 ^°F	59 ^%	29.69 ⁱⁿ	10.0 ^mi	WSW (240°)	6.9 ^mph		Thunderstorm	Thunderstorm
5:52 PM	60.1 ^°F	48.9 ^°F	67 ^%	29.72 ⁱⁿ	10.0 ^mi	SSW (210°)	10.4 ^mph	0.00 ⁱⁿ	Rain-Thunderstorm	Light Thunderstorms and Rain
6:18 PM	57.2 ^°F	48.2 ^°F	72 ^%	29.72 ⁱⁿ	10.0 ^mi	East (90°)	8.1 ^mph	0.00 ⁱⁿ	Thunderstorm	Thunderstorm
6:35 PM	57.2 ^°F	50.0 ^°F	77 ^%	29.72 ⁱⁿ	10.0 ^mi	NW (310°)	15.0 ^mph	0.00 ⁱⁿ	Rain	Light Rain
6:52 PM	57.0 ^°F	48.9 ^°F	74 ^%	29.73 ⁱⁿ	10.0 ^mi	NW (310°)	17.3 ^mph	0.00 ⁱⁿ		Overcast
7:52 PM	54.0 ^°F	50.0 ^°F	86 ^%	29.78 ⁱⁿ	6.0 ^mi	Calm		0.01 ⁱⁿ	Rain	Rain
8:52 PM	54.0 ^°F	51.1 ^°F	90 ^%	29.78 ⁱⁿ	5.0 ^mi	NNW (340°)	12.7 ^mph	0.05 ⁱⁿ	Rain	Light Rain
9:52 PM	54.0 ^°F	50.0 ^°F	86 ^%	29.80 ⁱⁿ	10.0 ^mi	NW (320°)	5.8 ^mph	0.01 ⁱⁿ		Mostly Cloudy
10:52 PM	53.6 ^°F	50.0 ^°F	88 ^%	29.82 ⁱⁿ	10.0 ^mi	NNW (330°)	4.6 ^mph			Mostly Cloudy
11:52 PM	54.0 ^°F	51.1 ^°F	90 ^%	29.82 ⁱⁿ	10.0 ^mi	North (360°)	4.6 ^mph			Clear

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