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 - SEPTEMBER 30, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	64.4 ^°F	72 ^°F (3:52 pm)	62.1 ^°F (5:52 am)
Dewpoint	61.7 ^°F	63 ^°F (12:52 am)	59 ^°F (7:52 pm)
Humidity	91.5 ^%	100 ^% (12:52 am)	68 ^% (3:52 pm)
Barometer	29.92 ⁱⁿ	29.95 ⁱⁿ (8:23 am)	29.87 ⁱⁿ (4:52 pm)
Wind Speed	3.5 ^mph	11.5 ^mph (9:09 pm)

Weather Element	Average
Visibility	5.3 ^mi
Wind Direction	ESE (122.4 °)

Weather Element	Total
Precipitation	0.08 ⁱⁿ
Cooling Degree Days	2.1 (Base 65)
Growing Degree Days	17.1 (Base 50)

Averaged from 34 records on September 30, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - SEPTEMBER 30, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:24 AM	64.4 ^°F	62.6 ^°F	94 ^%	29.94 ⁱⁿ	10.0 ^mi	South (190°)	4.6 ^mph			Overcast
12:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.93 ⁱⁿ	2.0 ^mi	South (190°)	5.8 ^mph			Overcast
12:54 AM	62.6 ^°F	62.6 ^°F	100 ^%	29.94 ⁱⁿ	0.8 ^mi	South (190°)	5.8 ^mph			Overcast
1:01 AM	62.6 ^°F	62.6 ^°F	100 ^%	29.94 ⁱⁿ	0.8 ^mi	South (190°)	3.5 ^mph			Overcast
1:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.93 ⁱⁿ	0.8 ^mi	South (180°)	3.5 ^mph			Overcast
2:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.91 ⁱⁿ	0.8 ^mi	SSW (210°)	4.6 ^mph			Overcast
3:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.90 ⁱⁿ	0.8 ^mi	SW (220°)	5.8 ^mph			Overcast
3:55 AM	62.6 ^°F	62.6 ^°F	100 ^%	29.91 ⁱⁿ	0.2 ^mi	SSW (210°)	6.9 ^mph		Fog	Fog
4:52 AM	63.0 ^°F	63.0 ^°F	100 ^%	29.90 ⁱⁿ	0.1 ^mi	SSW (200°)	5.8 ^mph		Fog	Fog
5:52 AM	62.1 ^°F	62.1 ^°F	100 ^%	29.91 ⁱⁿ	0.1 ^mi	Calm				Overcast
6:52 AM	62.1 ^°F	62.1 ^°F	100 ^%	29.92 ⁱⁿ	0.1 ^mi	South (190°)	3.5 ^mph		Fog	Fog
7:52 AM	62.1 ^°F	62.1 ^°F	100 ^%	29.94 ⁱⁿ	0.2 ^mi	Calm				Mist
8:13 AM	62.6 ^°F	60.8 ^°F	94 ^%	29.94 ⁱⁿ	0.2 ^mi	Calm				Mist
8:23 AM	62.6 ^°F	60.8 ^°F	94 ^%	29.95 ⁱⁿ	1.0 ^mi	Calm				Mist
8:52 AM	62.1 ^°F	61.0 ^°F	96 ^%	29.94 ⁱⁿ	1.0 ^mi	SSW (210°)	3.5 ^mph			Overcast
8:58 AM	62.6 ^°F	60.8 ^°F	94 ^%	29.95 ⁱⁿ	3.0 ^mi	Calm				Overcast
9:28 AM	62.6 ^°F	60.8 ^°F	94 ^%	29.94 ⁱⁿ	3.0 ^mi	Calm				Overcast
9:52 AM	63.0 ^°F	61.0 ^°F	93 ^%	29.94 ⁱⁿ	5.0 ^mi	Calm				Overcast
10:52 AM	64.0 ^°F	61.0 ^°F	90 ^%	29.94 ⁱⁿ	10.0 ^mi	Calm				Overcast
11:12 AM	64.4 ^°F	60.8 ^°F	88 ^%	29.94 ⁱⁿ	10.0 ^mi	SSW (210°)	4.6 ^mph			Overcast
11:52 AM	66.0 ^°F	61.0 ^°F	84 ^%	29.94 ⁱⁿ	10.0 ^mi	SSW (210°)	4.6 ^mph			Overcast
12:52 PM	66.0 ^°F	61.0 ^°F	84 ^%	29.93 ⁱⁿ	10.0 ^mi	Calm				Overcast
1:52 PM	68.0 ^°F	61.0 ^°F	78 ^%	29.91 ⁱⁿ	10.0 ^mi	SSE (160°)	4.6 ^mph			Overcast
2:52 PM	69.1 ^°F	61.0 ^°F	75 ^%	29.89 ⁱⁿ	10.0 ^mi	SSE (150°)	3.5 ^mph			Mostly Cloudy
3:52 PM	72.0 ^°F	61.0 ^°F	68 ^%	29.88 ⁱⁿ	10.0 ^mi	Variable	4.6 ^mph			Scattered Clouds
4:52 PM	71.1 ^°F	61.0 ^°F	70 ^%	29.87 ⁱⁿ	10.0 ^mi	SSE (150°)	3.5 ^mph			Scattered Clouds
5:52 PM	71.1 ^°F	61.0 ^°F	70 ^%	29.87 ⁱⁿ	10.0 ^mi	SSW (200°)	5.8 ^mph			Scattered Clouds
6:52 PM	66.9 ^°F	60.1 ^°F	79 ^%	29.88 ⁱⁿ	10.0 ^mi	SSW (210°)	4.6 ^mph			Partly Cloudy
7:52 PM	62.1 ^°F	59.0 ^°F	90 ^%	29.90 ⁱⁿ	10.0 ^mi	Calm				Partly Cloudy
8:52 PM	64.9 ^°F	61.0 ^°F	87 ^%	29.94 ⁱⁿ	10.0 ^mi	WNW (300°)	10.4 ^mph			Mostly Cloudy
9:09 PM	64.4 ^°F	62.6 ^°F	94 ^%	29.94 ⁱⁿ	10.0 ^mi	WNW (290°)	11.5 ^mph			Overcast
9:52 PM	64.0 ^°F	63.0 ^°F	96 ^%	29.94 ⁱⁿ	6.0 ^mi	NE (50°)	4.6 ^mph	0.05 ⁱⁿ	Rain	Light Rain
10:52 PM	63.0 ^°F	63.0 ^°F	100 ^%	29.94 ⁱⁿ	8.0 ^mi	NE (50°)	4.6 ^mph	0.03 ⁱⁿ		Overcast
11:52 PM	62.1 ^°F	62.1 ^°F	100 ^%	29.94 ⁱⁿ	7.0 ^mi	Calm				Mostly Cloudy

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