RESTON, 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 - 30 SEPTEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	18 ^°C	22.2 ^°C (3:52 pm)	16.7 ^°C (5:52 am)
Dewpoint	16.5 ^°C	17.2 ^°C (12:52 am)	15 ^°C (7:52 pm)
Humidity	91.5 ^%	100 ^% (12:52 am)	68 ^% (3:52 pm)
Barometer	1013.2 ^hPa	1014.2 hPa (8:23 am)	1011.5 hPa (4:52 pm)
Wind Speed	5.6 ^km/h	18.5 ^km/h (9:09 pm)

Weather Element	Average
Visibility	8.5 ^km
Wind Direction	ESE (122.4 °)

Weather Element	Total
Precipitation	2.03 ^mm
Cooling Degree Days	1.2 (Base 18.3)
Growing Degree Days	9.5 (Base 10)

Averaged from 34 records on 30 September, 2014

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WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 30 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:24 AM	18 ^°C	17 ^°C	94 ^%	1013.9 hPa	16.1 ^km	South (190°)	7.4 ^km/h			Overcast
12:52 AM	17.2 ^°C	17.2 ^°C	100 ^%	1013.5 hPa	3.2 ^km	South (190°)	9.3 ^km/h			Overcast
12:54 AM	17 ^°C	17 ^°C	100 ^%	1013.9 hPa	1.3 ^km	South (190°)	9.3 ^km/h			Overcast
1:01 AM	17 ^°C	17 ^°C	100 ^%	1013.9 hPa	1.3 ^km	South (190°)	5.6 ^km/h			Overcast
1:52 AM	17.2 ^°C	17.2 ^°C	100 ^%	1013.5 hPa	1.3 ^km	South (180°)	5.6 ^km/h			Overcast
2:52 AM	17.2 ^°C	17.2 ^°C	100 ^%	1012.9 hPa	1.3 ^km	SSW (210°)	7.4 ^km/h			Overcast
3:52 AM	17.2 ^°C	17.2 ^°C	100 ^%	1012.5 hPa	1.3 ^km	SW (220°)	9.3 ^km/h			Overcast
3:55 AM	17 ^°C	17 ^°C	100 ^%	1012.9 hPa	0.3 ^km	SSW (210°)	11.1 ^km/h		Fog	Fog
4:52 AM	17.2 ^°C	17.2 ^°C	100 ^%	1012.5 hPa	0.2 ^km	SSW (200°)	9.3 ^km/h		Fog	Fog
5:52 AM	16.7 ^°C	16.7 ^°C	100 ^%	1012.9 hPa	0.2 ^km	Calm				Overcast
6:52 AM	16.7 ^°C	16.7 ^°C	100 ^%	1013.2 hPa	0.2 ^km	South (190°)	5.6 ^km/h		Fog	Fog
7:52 AM	16.7 ^°C	16.7 ^°C	100 ^%	1013.9 hPa	0.3 ^km	Calm				Mist
8:13 AM	17 ^°C	16 ^°C	94 ^%	1013.9 hPa	0.3 ^km	Calm				Mist
8:23 AM	17 ^°C	16 ^°C	94 ^%	1014.2 hPa	1.6 ^km	Calm				Mist
8:52 AM	16.7 ^°C	16.1 ^°C	96 ^%	1013.9 hPa	1.6 ^km	SSW (210°)	5.6 ^km/h			Overcast
8:58 AM	17 ^°C	16 ^°C	94 ^%	1014.2 hPa	4.8 ^km	Calm				Overcast
9:28 AM	17 ^°C	16 ^°C	94 ^%	1013.9 hPa	4.8 ^km	Calm				Overcast
9:52 AM	17.2 ^°C	16.1 ^°C	93 ^%	1013.9 hPa	8 ^km	Calm				Overcast
10:52 AM	17.8 ^°C	16.1 ^°C	90 ^%	1013.9 hPa	16.1 ^km	Calm				Overcast
11:12 AM	18 ^°C	16 ^°C	88 ^%	1013.9 hPa	16.1 ^km	SSW (210°)	7.4 ^km/h			Overcast
11:52 AM	18.9 ^°C	16.1 ^°C	84 ^%	1013.9 hPa	16.1 ^km	SSW (210°)	7.4 ^km/h			Overcast
12:52 PM	18.9 ^°C	16.1 ^°C	84 ^%	1013.5 hPa	16.1 ^km	Calm				Overcast
1:52 PM	20 ^°C	16.1 ^°C	78 ^%	1012.9 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h			Overcast
2:52 PM	20.6 ^°C	16.1 ^°C	75 ^%	1012.2 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h			Mostly Cloudy
3:52 PM	22.2 ^°C	16.1 ^°C	68 ^%	1011.9 hPa	16.1 ^km	Variable	7.4 ^km/h			Scattered Clouds
4:52 PM	21.7 ^°C	16.1 ^°C	70 ^%	1011.5 hPa	16.1 ^km	SSE (150°)	5.6 ^km/h			Scattered Clouds
5:52 PM	21.7 ^°C	16.1 ^°C	70 ^%	1011.5 hPa	16.1 ^km	SSW (200°)	9.3 ^km/h			Scattered Clouds
6:52 PM	19.4 ^°C	15.6 ^°C	79 ^%	1011.9 hPa	16.1 ^km	SSW (210°)	7.4 ^km/h			Partly Cloudy
7:52 PM	16.7 ^°C	15 ^°C	90 ^%	1012.5 hPa	16.1 ^km	Calm				Partly Cloudy
8:52 PM	18.3 ^°C	16.1 ^°C	87 ^%	1013.9 hPa	16.1 ^km	WNW (300°)	16.7 ^km/h			Mostly Cloudy
9:09 PM	18 ^°C	17 ^°C	94 ^%	1013.9 hPa	16.1 ^km	WNW (290°)	18.5 ^km/h			Overcast
9:52 PM	17.8 ^°C	17.2 ^°C	96 ^%	1013.9 hPa	9.7 ^km	NE (50°)	7.4 ^km/h	1.27 mm	Rain	Light Rain
10:52 PM	17.2 ^°C	17.2 ^°C	100 ^%	1013.9 hPa	12.9 ^km	NE (50°)	7.4 ^km/h	0.76 mm		Overcast
11:52 PM	16.7 ^°C	16.7 ^°C	100 ^%	1013.9 hPa	11.3 ^km	Calm				Mostly Cloudy

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