DULLES, VIRGINIA

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Elevation: 88 meters 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 - 9 FEBRUARY, 2016

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	1.2 ^°C	3.9 ^°C (1:52 pm)	-1.1 ^°C (11:52 pm)
Dewpoint	-1 ^°C	1.1 ^°C (12:52 am)	-8.3 ^°C (9:52 pm)
Humidity	86.3 ^%	96 ^% (4:22 am)	56 ^% (7:52 pm)
Barometer	1002 ^hPa	1005.8 hPa (10:52 pm)	1000.7 hPa (12:59 pm)
Wind Speed	9.3 ^km/h	27.8 ^km/h (12:39 pm)
Wind Gust		40.7 ^km/h (7:52 pm)

Weather Element	Average
Visibility	6.4 ^km
Wind Direction	S (179.6 °)

Weather Element	Total
Precipitation	16 ^mm
Heating Degree Days	16.9 (Base 18.3)

Averaged from 53 records on 9 February, 2016

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 9 FEBRUARY, 2016

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	2.8 ^°C	1.1 ^°C	89 ^%	1003.4 hPa	11.3 ^km	South (170°)	9.3 ^km/h		0.51 mm	Rain	Light Rain
1:52 AM	2.8 ^°C	1.1 ^°C	89 ^%	1002.4 hPa	11.3 ^km	Calm			0.51 mm	Rain	Light Rain
2:25 AM	2.2 ^°C	1.1 ^°C	93 ^%	1002 hPa	9.7 ^km	Calm			0.25 mm	Rain	Light Rain
2:52 AM	2.2 ^°C	1.1 ^°C	93 ^%	1002 hPa	9.7 ^km	SSE (150°)	7.4 ^km/h		0.51 mm	Rain	Light Rain
3:08 AM	1.7 ^°C	0.6 ^°C	92 ^%	1001.7 hPa	16.1 ^km	SE (130°)	5.6 ^km/h		0.25 mm	Rain	Light Rain
3:52 AM	1.1 ^°C	0 ^°C	92 ^%	1001.4 hPa	6.4 ^km	Calm			1.27 mm	Snow	Light Snow
4:22 AM	0.6 ^°C	0 ^°C	96 ^%	1001 hPa	4 ^km	Calm			0.51 mm	Snow	Light Snow
4:35 AM	0.6 ^°C	0 ^°C	96 ^%	1001 hPa	4.8 ^km	Calm			0.76 mm	Snow	Light Snow
4:52 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	4.8 ^km	Calm			1.02 mm	Snow	Light Snow
5:16 AM	0.6 ^°C	0 ^°C	96 ^%	1001 hPa	4.8 ^km	Calm			0.51 mm	Snow	Light Snow
5:52 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	3.2 ^km	NNE (20°)	5.6 ^km/h		0.76 mm	Snow	Light Snow
5:56 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	3.2 ^km	Calm			0 mm	Snow	Light Snow
6:30 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	3.2 ^km	Calm			0.51 mm	Snow	Light Snow
6:52 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	3.2 ^km	Calm			0.51 mm	Snow	Light Snow
7:32 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	2.4 ^km	North (10°)	5.6 ^km/h		0.25 mm	Snow	Light Snow
7:50 AM	1 ^°C	0 ^°C	93 ^%	1001.7 hPa	1.9 ^km	NNE (20°)	5.6 ^km/h		0.51 mm	Snow	Light Snow
7:52 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	1.9 ^km	North (10°)	5.6 ^km/h		0.76 mm	Snow	Light Snow
7:56 AM	0.6 ^°C	0 ^°C	96 ^%	1001.4 hPa	2.4 ^km	NNE (30°)	5.6 ^km/h		0 mm	Snow	Light Snow
8:07 AM	0.6 ^°C	-0.6 ^°C	92 ^%	1001.7 hPa	2.4 ^km	NNE (30°)	7.4 ^km/h		0.25 mm	Snow	Light Snow
8:16 AM	0.6 ^°C	-0.6 ^°C	92 ^%	1001.7 hPa	1.9 ^km	NE (40°)	5.6 ^km/h		0.25 mm	Snow	Light Snow
8:44 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	1.6 ^km	Calm			0.76 mm	Snow	Light Snow
8:52 AM	0.6 ^°C	0 ^°C	96 ^%	1002 hPa	1.6 ^km	Calm			0.76 mm	Snow	Light Snow
8:59 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	1.9 ^km	Calm			0.25 mm	Snow	Light Snow
9:03 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	1.9 ^km	Calm			0.25 mm	Snow	Light Snow
9:05 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	1.9 ^km	Calm			0.25 mm	Snow	Light Snow
9:16 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	3.2 ^km	NNW (330°)	5.6 ^km/h		0.25 mm	Snow	Light Snow
9:19 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	0.8 ^km	NNW (330°)	7.4 ^km/h		0.25 mm	Snow	Light Snow
9:52 AM	0.6 ^°C	0 ^°C	96 ^%	1002 hPa	0.8 ^km	NW (310°)	9.3 ^km/h		0.51 mm	Snow	Light Snow
10:08 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	0.8 ^km	NW (310°)	9.3 ^km/h		0.25 mm	Snow	Light Snow
10:15 AM	0.6 ^°C	0 ^°C	96 ^%	1001.7 hPa	0.8 ^km	WNW (300°)	9.3 ^km/h		0.25 mm	Snow	Light Snow
10:52 AM	1.1 ^°C	0 ^°C	92 ^%	1002 hPa	0.8 ^km	North (350°)	5.6 ^km/h		0.51 mm	Snow	Light Snow
11:52 AM	2.2 ^°C	0.6 ^°C	89 ^%	1001.4 hPa	0.8 ^km	NNW (330°)	9.3 ^km/h		0.25 mm	Rain	Light Rain
11:56 AM	2.2 ^°C	0.6 ^°C	89 ^%	1001.4 hPa	0.8 ^km	WNW (290°)	7.4 ^km/h		0.25 mm	Rain	Light Rain
12:16 PM	1.7 ^°C	0.6 ^°C	92 ^%	1001 hPa	3.2 ^km	West (280°)	5.6 ^km/h		0.25 mm	Snow	Light Snow
12:39 PM	1.7 ^°C	0 ^°C	89 ^%	1001 hPa	2.4 ^km	WNW (290°)	27.8 ^km/h	37 ^km/h	0.51 mm	Snow	Light Snow
12:52 PM	1.7 ^°C	0 ^°C	89 ^%	1001 hPa	2.4 ^km	NW (320°)	22.2 ^km/h		0.51 mm	Snow	Light Snow
12:59 PM	2.2 ^°C	0 ^°C	86 ^%	1000.7 hPa	2.4 ^km	NNW (330°)	16.7 ^km/h		0 mm	Snow	Light Snow
1:02 PM	2.2 ^°C	0 ^°C	86 ^%	1000.7 hPa	4.8 ^km	NNW (340°)	14.8 ^km/h		0 mm		Overcast
1:10 PM	2.8 ^°C	0.6 ^°C	86 ^%	1000.7 hPa	4.8 ^km	NNW (330°)	16.7 ^km/h		0 mm		Overcast
1:52 PM	3.9 ^°C	0.6 ^°C	79 ^%	1000.7 hPa	4.8 ^km	NW (320°)	18.5 ^km/h		0 mm		Overcast
2:06 PM	3.3 ^°C	0 ^°C	79 ^%	1000.7 hPa	16.1 ^km	NW (320°)	16.7 ^km/h				Mostly Cloudy
2:52 PM	2.8 ^°C	-1.7 ^°C	73 ^%	1001 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h		0 mm		Mostly Cloudy
2:59 PM	2.8 ^°C	-1.7 ^°C	73 ^%	1001 hPa	16.1 ^km	NNW (330°)	16.7 ^km/h				Mostly Cloudy
3:41 PM	2.2 ^°C	-2.2 ^°C	73 ^%	1001.4 hPa	4.8 ^km	WNW (290°)	14.8 ^km/h		0 mm	Snow	Light Snow
3:52 PM	2.2 ^°C	-2.2 ^°C	73 ^%	1001.7 hPa	6.4 ^km	NW (310°)	13 ^km/h		0 mm	Snow	Light Snow
4:52 PM	2.2 ^°C	-3.9 ^°C	64 ^%	1002.4 hPa	16.1 ^km	NW (320°)	20.4 ^km/h		0 mm		Mostly Cloudy
5:52 PM	1.1 ^°C	-3.9 ^°C	70 ^%	1003.4 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h				Mostly Cloudy
6:52 PM	1.1 ^°C	-5.6 ^°C	61 ^%	1004.1 hPa	16.1 ^km	NNW (330°)	24.1 ^km/h				Mostly Cloudy
7:52 PM	0.6 ^°C	-7.2 ^°C	56 ^%	1004.7 hPa	16.1 ^km	NW (310°)	27.8 ^km/h	40.7 ^km/h			Mostly Cloudy
8:52 PM	-0.6 ^°C	-7.8 ^°C	59 ^%	1005.1 hPa	16.1 ^km	NNW (330°)	20.4 ^km/h	37 ^km/h			Mostly Cloudy
9:52 PM	-0.6 ^°C	-8.3 ^°C	57 ^%	1005.4 hPa	16.1 ^km	NW (320°)	20.4 ^km/h	33.3 ^km/h			Mostly Cloudy
10:52 PM	-0.6 ^°C	-7.8 ^°C	59 ^%	1005.8 hPa	16.1 ^km	NW (310°)	20.4 ^km/h				Overcast
11:52 PM	-1.1 ^°C	-7.8 ^°C	61 ^%	1005.8 hPa	16.1 ^km	NW (310°)	24.1 ^km/h				Overcast

Hourly data recorded from KIAD, located 0 kilometers away from Dulles, Virginia