TYSON'S CORNER, VIRGINIA

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Elevation: 15 meters Latitude: 38 55N Longitude: 077 14W

WEATHER

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Number of Records: 400,079; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 19 MAY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	26.1 ^°C	31.7 ^°C (2:52 pm)	22 ^°C (2:59 am)
Dewpoint	18.3 ^°C	21 ^°C (12:36 am)	12.8 ^°C (11:52 pm)
Humidity	65.6 ^%	88 ^% (12:36 am)	38 ^% (7:52 pm)
Barometer	1013.9 ^hPa	1016.9 hPa (12:36 am)	1010.2 hPa (6:52 pm)
Wind Speed	7.9 ^km/h	20.4 ^km/h (2:52 pm)
Wind Gust		33.3 ^km/h (2:52 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	S (184.5 °)

Weather Element	Total
Precipitation	1.02 ^mm
Cooling Degree Days	8.6 (Base 18.3)
Growing Degree Days	16.9 (Base 10)

Averaged from 31 records on 19 May, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 19 MAY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Conditions
12:36 AM	23 ^°C	21 ^°C	88 ^%	1016.9 hPa	16.1 ^km	SE (140°)	7.4 ^km/h		0.51 mm	Overcast
12:52 AM	22.8 ^°C	20 ^°C	84 ^%	1016.9 hPa	16.1 ^km	Calm			0.51 mm	Overcast
1:06 AM	23 ^°C	20 ^°C	83 ^%	1016.6 hPa	16.1 ^km	Calm				Overcast
1:52 AM	22.8 ^°C	20 ^°C	84 ^%	1016.3 hPa	16.1 ^km	NE (50°)	9.3 ^km/h			Overcast
2:31 AM	23 ^°C	20 ^°C	83 ^%	1015.6 hPa	16.1 ^km	NNE (30°)	5.6 ^km/h			Overcast
2:52 AM	22.8 ^°C	20 ^°C	84 ^%	1015.6 hPa	16.1 ^km	Calm				Overcast
2:59 AM	22 ^°C	20 ^°C	88 ^%	1015.6 hPa	16.1 ^km	Calm				Overcast
3:38 AM	23 ^°C	20 ^°C	83 ^%	1015.2 hPa	16.1 ^km	Calm				Overcast
3:52 AM	22.8 ^°C	20 ^°C	84 ^%	1015.2 hPa	16.1 ^km	West (280°)	5.6 ^km/h			Overcast
4:41 AM	22 ^°C	19 ^°C	83 ^%	1014.9 hPa	16.1 ^km	Calm				Overcast
4:52 AM	22.2 ^°C	19.4 ^°C	84 ^%	1014.9 hPa	16.1 ^km	Calm				Overcast
5:52 AM	22.8 ^°C	20 ^°C	84 ^%	1014.9 hPa	16.1 ^km	NNW (340°)	11.1 ^km/h			Overcast
6:42 AM	22 ^°C	19 ^°C	83 ^%	1014.9 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h			Overcast
6:52 AM	22.8 ^°C	20 ^°C	84 ^%	1014.9 hPa	16.1 ^km	Calm				Mostly Cloudy
7:52 AM	23.9 ^°C	20 ^°C	79 ^%	1014.6 hPa	16.1 ^km	WSW (250°)	5.6 ^km/h			Mostly Cloudy
8:52 AM	25.6 ^°C	20.6 ^°C	74 ^%	1014.9 hPa	16.1 ^km	West (260°)	9.3 ^km/h			Mostly Cloudy
9:52 AM	26.7 ^°C	20.6 ^°C	69 ^%	1014.6 hPa	16.1 ^km	Variable	5.6 ^km/h			Mostly Cloudy
10:52 AM	27.2 ^°C	19.4 ^°C	62 ^%	1014.6 hPa	16.1 ^km	NNW (330°)	14.8 ^km/h			Mostly Cloudy
11:52 AM	28.9 ^°C	19.4 ^°C	56 ^%	1014.2 hPa	16.1 ^km	NNW (340°)	18.5 ^km/h	25.9 ^km/h		Mostly Cloudy
12:52 PM	29.4 ^°C	19.4 ^°C	55 ^%	1013.9 hPa	16.1 ^km	Variable	7.4 ^km/h			Mostly Cloudy
1:52 PM	30 ^°C	18.3 ^°C	49 ^%	1013.2 hPa	16.1 ^km	WNW (290°)	14.8 ^km/h			Mostly Cloudy
2:52 PM	31.7 ^°C	17.2 ^°C	42 ^%	1012.5 hPa	16.1 ^km	WNW (290°)	20.4 ^km/h	33.3 ^km/h		Mostly Cloudy
3:52 PM	30.6 ^°C	16.7 ^°C	43 ^%	1011.9 hPa	16.1 ^km	West (260°)	11.1 ^km/h			Mostly Cloudy
4:52 PM	31.7 ^°C	17.8 ^°C	43 ^%	1011.2 hPa	16.1 ^km	North (350°)	14.8 ^km/h			Mostly Cloudy
5:52 PM	31.7 ^°C	17.8 ^°C	43 ^%	1010.5 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h			Mostly Cloudy
6:52 PM	31.1 ^°C	15.6 ^°C	39 ^%	1010.2 hPa	16.1 ^km	NW (320°)	13 ^km/h			Mostly Cloudy
7:52 PM	30 ^°C	14.4 ^°C	38 ^%	1010.8 hPa	16.1 ^km	NW (310°)	14.8 ^km/h			Scattered Clouds
8:52 PM	29.4 ^°C	13.9 ^°C	38 ^%	1011.2 hPa	16.1 ^km	WNW (300°)	9.3 ^km/h			Scattered Clouds
9:52 PM	28.9 ^°C	13.3 ^°C	38 ^%	1011.9 hPa	16.1 ^km	NW (310°)	7.4 ^km/h			Scattered Clouds
10:52 PM	27.2 ^°C	13.3 ^°C	42 ^%	1011.9 hPa	16.1 ^km	WNW (300°)	13 ^km/h			Partly Cloudy
11:52 PM	26.1 ^°C	12.8 ^°C	44 ^%	1011.9 hPa	16.1 ^km	WNW (300°)	7.4 ^km/h			Clear

Hourly data recorded from KDCA, located 0 kilometers away from Tyson's Corner, Virginia