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 - MAY 1, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	55.6 ^°F	64 ^°F (5:52 pm)	51.8 ^°F (5:19 am)
Dewpoint	46.9 ^°F	51.8 ^°F (1:36 am)	43 ^°F (1:52 pm)
Humidity	74.2 ^%	94 ^% (1:36 am)	48 ^% (5:52 pm)
Barometer	29.90 ⁱⁿ	29.98 ⁱⁿ (10:52 pm)	29.83 ⁱⁿ (12:52 am)
Wind Speed	6.6 ^mph	10.4 ^mph (7:52 am)
Wind Gust		25.3 ^mph (11:52 am)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	NE (48.1 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	7.1 (Base 65)
Growing Degree Days	7.9 (Base 50)

Averaged from 31 records on May 1, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - MAY 1, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	54.0 ^°F	51.1 ^°F	90 ^%	29.83 ⁱⁿ	10.0 ^mi	North (10°)	8.1 ^mph				Scattered Clouds
1:36 AM	53.6 ^°F	51.8 ^°F	94 ^%	29.83 ⁱⁿ	10.0 ^mi	NNE (20°)	6.9 ^mph				Mostly Cloudy
1:52 AM	54.0 ^°F	51.1 ^°F	90 ^%	29.83 ⁱⁿ	10.0 ^mi	NNE (20°)	5.8 ^mph				Mostly Cloudy
2:07 AM	53.6 ^°F	51.8 ^°F	94 ^%	29.83 ⁱⁿ	10.0 ^mi	NNE (20°)	6.9 ^mph				Mostly Cloudy
2:14 AM	53.6 ^°F	50.0 ^°F	88 ^%	29.83 ⁱⁿ	10.0 ^mi	NNE (20°)	9.2 ^mph				Overcast
2:32 AM	53.6 ^°F	48.2 ^°F	82 ^%	29.83 ⁱⁿ	10.0 ^mi	NNE (30°)	9.2 ^mph				Overcast
2:52 AM	53.1 ^°F	48.9 ^°F	86 ^%	29.83 ⁱⁿ	10.0 ^mi	NE (40°)	9.2 ^mph		0.00 ⁱⁿ	Rain	Light Rain
3:52 AM	53.1 ^°F	48.9 ^°F	86 ^%	29.83 ⁱⁿ	9.0 ^mi	NNE (20°)	8.1 ^mph		0.00 ⁱⁿ	Rain	Light Rain
4:52 AM	52.0 ^°F	48.0 ^°F	86 ^%	29.85 ⁱⁿ	10.0 ^mi	NNE (20°)	8.1 ^mph		0.00 ⁱⁿ		Overcast
5:19 AM	51.8 ^°F	48.2 ^°F	88 ^%	29.86 ⁱⁿ	10.0 ^mi	NNE (30°)	8.1 ^mph				Overcast
5:46 AM	51.8 ^°F	48.2 ^°F	88 ^%	29.87 ⁱⁿ	10.0 ^mi	NNE (20°)	8.1 ^mph				Overcast
5:52 AM	52.0 ^°F	48.0 ^°F	86 ^%	29.87 ⁱⁿ	10.0 ^mi	NNE (20°)	8.1 ^mph				Overcast
6:52 AM	52.0 ^°F	48.0 ^°F	86 ^%	29.89 ⁱⁿ	10.0 ^mi	North (10°)	8.1 ^mph				Overcast
7:27 AM	51.8 ^°F	48.2 ^°F	88 ^%	29.90 ⁱⁿ	10.0 ^mi	NE (40°)	6.9 ^mph				Overcast
7:52 AM	53.1 ^°F	46.9 ^°F	80 ^%	29.91 ⁱⁿ	10.0 ^mi	NE (50°)	10.4 ^mph				Overcast
8:52 AM	54.0 ^°F	46.9 ^°F	77 ^%	29.94 ⁱⁿ	10.0 ^mi	NNE (20°)	9.2 ^mph				Overcast
9:52 AM	55.0 ^°F	46.0 ^°F	72 ^%	29.94 ⁱⁿ	10.0 ^mi	NE (40°)	8.1 ^mph				Mostly Cloudy
10:52 AM	55.4 ^°F	44.6 ^°F	67 ^%	29.96 ⁱⁿ	10.0 ^mi	NNE (20°)	8.1 ^mph				Overcast
11:52 AM	57.0 ^°F	44.1 ^°F	62 ^%	29.96 ⁱⁿ	10.0 ^mi	ESE (110°)	10.4 ^mph	25.3 ^mph			Overcast
12:52 PM	59.0 ^°F	44.1 ^°F	58 ^%	29.96 ⁱⁿ	10.0 ^mi	North (10°)	3.5 ^mph				Overcast
1:52 PM	61.0 ^°F	43.0 ^°F	52 ^%	29.96 ⁱⁿ	10.0 ^mi	North (360°)	6.9 ^mph				Overcast
2:52 PM	60.1 ^°F	43.0 ^°F	53 ^%	29.95 ⁱⁿ	10.0 ^mi	Calm					Overcast
3:52 PM	60.1 ^°F	44.1 ^°F	55 ^%	29.94 ⁱⁿ	10.0 ^mi	ENE (60°)	3.5 ^mph				Overcast
4:52 PM	63.0 ^°F	45.0 ^°F	52 ^%	29.92 ⁱⁿ	10.0 ^mi	NNE (20°)	5.8 ^mph				Mostly Cloudy
5:52 PM	64.0 ^°F	44.1 ^°F	48 ^%	29.92 ⁱⁿ	10.0 ^mi	NNE (20°)	5.8 ^mph				Mostly Cloudy
6:52 PM	63.0 ^°F	45.0 ^°F	52 ^%	29.92 ⁱⁿ	10.0 ^mi	ENE (60°)	6.9 ^mph				Overcast
7:52 PM	61.0 ^°F	45.0 ^°F	56 ^%	29.93 ⁱⁿ	10.0 ^mi	NE (50°)	4.6 ^mph				Overcast
8:52 PM	57.0 ^°F	45.0 ^°F	64 ^%	29.94 ⁱⁿ	10.0 ^mi	ESE (120°)	5.8 ^mph				Overcast
9:52 PM	55.0 ^°F	45.0 ^°F	69 ^%	29.97 ⁱⁿ	10.0 ^mi	Calm					Mostly Cloudy
10:52 PM	53.6 ^°F	44.6 ^°F	72 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm					Overcast
11:52 PM	52.0 ^°F	46.0 ^°F	80 ^%	29.97 ⁱⁿ	10.0 ^mi	SW (230°)	3.5 ^mph				Overcast

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