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 - 5 MAY, 2015

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	21.3 ^°C	28 ^°C (2:52 pm)	15 ^°C (6:52 am)
Dewpoint	14.2 ^°C	18 ^°C (7:09 pm)	11.7 ^°C (12:52 am)
Humidity	66.3 ^%	94 ^% (9:52 pm)	39 ^% (2:52 pm)
Barometer	1023.4 ^hPa	1025.1 hPa (10:52 am)	1021.7 hPa (4:52 pm)
Wind Speed	8.5 ^km/h	25.9 ^km/h (5:10 pm)
Wind Gust		38.9 ^km/h (5:10 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (158.5 °)

Weather Element	Total
Precipitation	0.51 ^mm
Cooling Degree Days	3.2 (Base 18.3)
Growing Degree Days	11.5 (Base 10)

Averaged from 26 records on 5 May, 2015

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WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 5 MAY, 2015

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	20 ^°C	11.7 ^°C	59 ^%	1022.4 hPa	16.1 ^km	South (190°)	16.7 ^km/h				Partly Cloudy
1:52 AM	19.4 ^°C	11.7 ^°C	61 ^%	1022.4 hPa	16.1 ^km	South (190°)	14.8 ^km/h				Scattered Clouds
2:52 AM	17.8 ^°C	11.7 ^°C	67 ^%	1022.4 hPa	16.1 ^km	South (190°)	13 ^km/h				Partly Cloudy
3:52 AM	18 ^°C	12 ^°C	68 ^%	1023 hPa	16.1 ^km	SSW (200°)	13 ^km/h				Partly Cloudy
4:52 AM	16.1 ^°C	11.7 ^°C	75 ^%	1022.7 hPa	16.1 ^km	South (190°)	11.1 ^km/h				Partly Cloudy
5:52 AM	16.1 ^°C	11.7 ^°C	75 ^%	1022.7 hPa	16.1 ^km	SSW (200°)	5.6 ^km/h				Scattered Clouds
6:52 AM	15 ^°C	11.7 ^°C	81 ^%	1023.7 hPa	16.1 ^km	Calm					Scattered Clouds
7:52 AM	17.8 ^°C	13.3 ^°C	75 ^%	1024.4 hPa	16.1 ^km	South (190°)	5.6 ^km/h				Scattered Clouds
8:52 AM	20 ^°C	13.3 ^°C	65 ^%	1024.7 hPa	16.1 ^km	SSW (200°)	9.3 ^km/h				Partly Cloudy
9:52 AM	21.7 ^°C	12.8 ^°C	57 ^%	1024.7 hPa	16.1 ^km	Calm					Overcast
10:52 AM	25 ^°C	14.4 ^°C	52 ^%	1025.1 hPa	16.1 ^km	Calm					Mostly Cloudy
11:52 AM	25.6 ^°C	13.9 ^°C	48 ^%	1025.1 hPa	16.1 ^km	Calm					Mostly Cloudy
12:52 PM	26.7 ^°C	13.9 ^°C	45 ^%	1024.4 hPa	16.1 ^km	Variable	5.6 ^km/h				Clear
1:52 PM	27.8 ^°C	13.9 ^°C	42 ^%	1023.7 hPa	16.1 ^km	SSW (200°)	5.6 ^km/h				Scattered Clouds
2:52 PM	28 ^°C	13 ^°C	39 ^%	1023 hPa	16.1 ^km	West (260°)	5.6 ^km/h				Scattered Clouds
3:52 PM	27.8 ^°C	13.3 ^°C	41 ^%	1022 hPa	16.1 ^km	Calm					Mostly Cloudy
4:52 PM	27.8 ^°C	13.3 ^°C	41 ^%	1021.7 hPa	16.1 ^km	NNW (340°)	9.3 ^km/h				Mostly Cloudy
5:10 PM	27 ^°C	14 ^°C	45 ^%	1022 hPa	16.1 ^km	West (260°)	25.9 ^km/h	38.9 ^km/h			Mostly Cloudy
5:52 PM	20.6 ^°C	17.2 ^°C	81 ^%	1022.7 hPa	16.1 ^km	South (190°)	16.7 ^km/h		0.51 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
6:10 PM	21 ^°C	17 ^°C	78 ^%	1022.7 hPa	16.1 ^km	SSE (160°)	11.1 ^km/h		0 mm		Mostly Cloudy
7:09 PM	21 ^°C	18 ^°C	83 ^%	1022.7 hPa	16.1 ^km	SSW (210°)	5.6 ^km/h		0 mm		Mostly Cloudy
7:58 PM	21 ^°C	18 ^°C	83 ^%	1023 hPa	16.1 ^km	South (190°)	7.4 ^km/h		0 mm		Mostly Cloudy
8:52 PM	19.2 ^°C	17.3 ^°C	89 ^%	1023.7 hPa	16.1 ^km	South (190°)	7.4 ^km/h		0 mm		Mostly Cloudy
9:52 PM	18 ^°C	17 ^°C	94 ^%	1024.4 hPa	16.1 ^km	South (180°)	7.4 ^km/h				Scattered Clouds
10:52 PM	18.3 ^°C	16.7 ^°C	90 ^%	1024 hPa	16.1 ^km	South (190°)	11.1 ^km/h				Scattered Clouds
11:52 PM	18.3 ^°C	16.7 ^°C	90 ^%	1024 hPa	16.1 ^km	SSW (200°)	13 ^km/h				Mostly Cloudy

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