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 - 28 JULY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	25.6 ^°C	31.7 ^°C (2:52 pm)	21.1 ^°C (4:52 am)
Dewpoint	21.6 ^°C	22.8 ^°C (11:52 am)	20.6 ^°C (4:52 am)
Humidity	80.5 ^%	97 ^% (4:52 am)	57 ^% (2:52 pm)
Barometer	1015.6 ^hPa	1016.6 hPa (8:52 am)	1013.5 hPa (5:52 pm)
Wind Speed	4.8 ^km/h	24.1 ^km/h (6:52 pm)
Wind Gust		40.7 ^km/h (7:09 pm)

Weather Element	Average
Visibility	14.6 ^km
Wind Direction	ENE (73.8 °)

Weather Element	Total
Precipitation	1.52 ^mm
Cooling Degree Days	8.1 (Base 18.3)
Growing Degree Days	16.4 (Base 10)

Averaged from 26 records on 28 July, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 28 JULY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	22.2 ^°C	21.1 ^°C	93 ^%	1016.3 hPa	16.1 ^km	Calm					Scattered Clouds
1:52 AM	21.7 ^°C	21.1 ^°C	96 ^%	1016.3 hPa	12.9 ^km	Calm					Scattered Clouds
2:52 AM	21.7 ^°C	21.1 ^°C	96 ^%	1016.3 hPa	11.3 ^km	SSE (160°)	5.6 ^km/h				Scattered Clouds
3:52 AM	21.7 ^°C	21.1 ^°C	96 ^%	1015.9 hPa	9.7 ^km	Calm					Partly Cloudy
4:52 AM	21.1 ^°C	20.6 ^°C	97 ^%	1015.9 hPa	9.7 ^km	Calm					Partly Cloudy
5:52 AM	21.1 ^°C	20.6 ^°C	97 ^%	1015.9 hPa	8 ^km	Calm				Fog	Shallow Fog
6:52 AM	21.7 ^°C	20.6 ^°C	93 ^%	1016.3 hPa	9.7 ^km	Calm					Clear
7:52 AM	24.4 ^°C	21.7 ^°C	85 ^%	1016.3 hPa	14.5 ^km	Calm					Clear
8:52 AM	25.6 ^°C	22.2 ^°C	81 ^%	1016.6 hPa	16.1 ^km	West (280°)	5.6 ^km/h				Clear
9:52 AM	26.7 ^°C	22.2 ^°C	76 ^%	1016.6 hPa	16.1 ^km	NW (310°)	11.1 ^km/h				Partly Cloudy
10:52 AM	28.9 ^°C	22.2 ^°C	67 ^%	1016.3 hPa	16.1 ^km	NNE (30°)	9.3 ^km/h				Scattered Clouds
11:52 AM	29.4 ^°C	22.8 ^°C	67 ^%	1016.3 hPa	16.1 ^km	NE (50°)	9.3 ^km/h				Scattered Clouds
12:52 PM	29.4 ^°C	21.7 ^°C	63 ^%	1015.9 hPa	16.1 ^km	Calm					Mostly Cloudy
1:52 PM	30.6 ^°C	21.7 ^°C	59 ^%	1014.9 hPa	16.1 ^km	South (180°)	7.4 ^km/h				Mostly Cloudy
2:52 PM	31.7 ^°C	22.2 ^°C	57 ^%	1014.6 hPa	16.1 ^km	Variable	5.6 ^km/h				Mostly Cloudy
3:52 PM	31.7 ^°C	22.2 ^°C	57 ^%	1014.6 hPa	16.1 ^km	ENE (70°)	7.4 ^km/h				Mostly Cloudy
4:52 PM	30.6 ^°C	21.7 ^°C	59 ^%	1014.2 hPa	16.1 ^km	Calm					Mostly Cloudy
5:52 PM	30.6 ^°C	21.1 ^°C	57 ^%	1013.5 hPa	16.1 ^km	Calm					Scattered Clouds
6:52 PM	28.9 ^°C	22.2 ^°C	67 ^%	1014.2 hPa	16.1 ^km	SE (140°)	24.1 ^km/h	33.3 ^km/h			Mostly Cloudy
7:09 PM	27 ^°C	22 ^°C	74 ^%	1015.2 hPa	16.1 ^km	South (170°)	16.7 ^km/h	40.7 ^km/h	0 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
7:52 PM	23.3 ^°C	22.2 ^°C	93 ^%	1015.2 hPa	16.1 ^km	SSW (210°)	16.7 ^km/h	31.5 ^km/h	1.52 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
8:16 PM	23 ^°C	21 ^°C	88 ^%	1015.6 hPa	16.1 ^km	NW (320°)	5.6 ^km/h		0 mm	Rain	Light Rain
8:52 PM	22.8 ^°C	21.7 ^°C	93 ^%	1015.9 hPa	16.1 ^km	Calm			0 mm		Overcast
9:52 PM	22.8 ^°C	21.7 ^°C	93 ^%	1015.9 hPa	16.1 ^km	Calm					Partly Cloudy
10:52 PM	22.8 ^°C	21.7 ^°C	93 ^%	1016.3 hPa	16.1 ^km	Calm					Partly Cloudy
11:52 PM	22.2 ^°C	21.7 ^°C	97 ^%	1015.6 hPa	16.1 ^km	Calm					Clear

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