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 - 23 JANUARY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	0.5 ^°C	4.4 ^°C (2:52 pm)	-5 ^°C (7:52 am)
Dewpoint	-2.7 ^°C	0 ^°C (9:52 pm)	-6.7 ^°C (7:52 am)
Humidity	80.7 ^%	96 ^% (9:52 pm)	58 ^% (2:52 pm)
Barometer	1022 ^hPa	1029.5 hPa (12:52 am)	1011.2 hPa (11:52 pm)
Wind Speed	7.7 ^km/h	16.7 ^km/h (2:52 pm)

Weather Element	Average
Visibility	10.1 ^km
Wind Direction	SE (132.5 °)

Weather Element	Total
Precipitation	24.13 ^mm
Heating Degree Days	18.7 (Base 18.3)

Averaged from 32 records on 23 January, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 23 JANUARY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:52 AM	1.1 ^°C	-4.4 ^°C	67 ^%	1029.5 hPa	16.1 ^km	North (350°)	9.3 ^km/h			Mostly Cloudy
1:52 AM	-1.1 ^°C	-4.4 ^°C	79 ^%	1029.1 hPa	16.1 ^km	NW (310°)	11.1 ^km/h			Mostly Cloudy
2:52 AM	0 ^°C	-4.4 ^°C	73 ^%	1029.1 hPa	16.1 ^km	Calm				Mostly Cloudy
3:52 AM	-2 ^°C	-6 ^°C	74 ^%	1028.4 hPa	16.1 ^km	Calm				Scattered Clouds
4:52 AM	-3.9 ^°C	-6.1 ^°C	85 ^%	1028.8 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h			Partly Cloudy
5:52 AM	-3.3 ^°C	-5.6 ^°C	84 ^%	1028.8 hPa	16.1 ^km	Calm				Partly Cloudy
6:52 AM	-3.9 ^°C	-6.1 ^°C	85 ^%	1028.1 hPa	16.1 ^km	Calm				Partly Cloudy
7:52 AM	-5 ^°C	-6.7 ^°C	88 ^%	1027.8 hPa	16.1 ^km	SSW (200°)	5.6 ^km/h			Mostly Cloudy
8:52 AM	-1.1 ^°C	-3.9 ^°C	82 ^%	1027.8 hPa	16.1 ^km	SSW (200°)	5.6 ^km/h			Mostly Cloudy
9:52 AM	0.6 ^°C	-4.4 ^°C	70 ^%	1027.8 hPa	16.1 ^km	SSW (200°)	9.3 ^km/h			Mostly Cloudy
10:52 AM	1.7 ^°C	-4.4 ^°C	64 ^%	1027.1 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h			Mostly Cloudy
11:52 AM	3.3 ^°C	-3.9 ^°C	60 ^%	1026.1 hPa	16.1 ^km	Variable	7.4 ^km/h			Mostly Cloudy
12:52 PM	3.3 ^°C	-3.9 ^°C	60 ^%	1024.4 hPa	16.1 ^km	SSW (200°)	13 ^km/h			Mostly Cloudy
1:52 PM	3.9 ^°C	-3.3 ^°C	60 ^%	1023.4 hPa	16.1 ^km	South (170°)	14.8 ^km/h			Overcast
2:52 PM	4.4 ^°C	-3.3 ^°C	58 ^%	1021.7 hPa	16.1 ^km	South (190°)	16.7 ^km/h			Overcast
3:52 PM	3.9 ^°C	-2.8 ^°C	62 ^%	1021.7 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h			Overcast
4:52 PM	1.7 ^°C	-1.1 ^°C	82 ^%	1021 hPa	6.4 ^km	SW (220°)	11.1 ^km/h	0 mm	Rain-Snow	Light Rain
5:01 PM	1 ^°C	-1 ^°C	87 ^%	1020.3 hPa	4.8 ^km	SW (220°)	7.4 ^km/h	0.25 mm	Rain-Snow	Light Rain
5:42 PM	1 ^°C	-1 ^°C	87 ^%	1020 hPa	3.2 ^km	South (190°)	7.4 ^km/h	0.76 mm	Snow	Light Snow
5:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1020.3 hPa	2.4 ^km	South (190°)	7.4 ^km/h	1.02 mm	Snow	Light Snow
6:16 PM	1 ^°C	-1 ^°C	87 ^%	1019.6 hPa	4 ^km	South (190°)	11.1 ^km/h	0.25 mm	Snow	Light Snow
6:28 PM	1 ^°C	-1 ^°C	87 ^%	1019.6 hPa	4.8 ^km	South (190°)	14.8 ^km/h	0.51 mm	Rain-Snow	Light Rain
6:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1019.6 hPa	4.8 ^km	South (180°)	11.1 ^km/h	1.02 mm	Rain	Light Rain
7:30 PM	1 ^°C	-1 ^°C	87 ^%	1018.3 hPa	6.4 ^km	South (180°)	9.3 ^km/h	0.51 mm	Rain	Light Rain
7:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1018.3 hPa	6.4 ^km	South (170°)	7.4 ^km/h	0.51 mm	Rain	Light Rain
8:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1017.3 hPa	4.8 ^km	Calm		1.78 mm	Rain	Rain
9:52 PM	0.6 ^°C	0 ^°C	96 ^%	1015.6 hPa	4 ^km	Calm		4.06 mm	Rain	Rain
10:09 PM	1 ^°C	0 ^°C	93 ^%	1014.6 hPa	2.4 ^km	Calm		1.02 mm	Rain	Rain
10:35 PM	1 ^°C	-1 ^°C	87 ^%	1013.5 hPa	2.9 ^km	NE (40°)	5.6 ^km/h	2.54 mm	Rain	Rain
10:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1012.9 hPa	2.9 ^km	NE (40°)	11.1 ^km/h	3.56 mm	Rain	Rain
11:21 PM	1 ^°C	-1 ^°C	87 ^%	1011.9 hPa	2.4 ^km	NNE (20°)	13 ^km/h	1.52 mm	Rain	Rain
11:52 PM	0.6 ^°C	-0.6 ^°C	92 ^%	1011.2 hPa	2.9 ^km	NNE (20°)	11.1 ^km/h	4.83 mm	Rain	Rain

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