DULLES, 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 - 9 JULY, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	23.3 ^°C	30 ^°C (3:52 pm)	19.4 ^°C (3:52 am)
Dewpoint	19.8 ^°C	22 ^°C (1:52 am)	18.3 ^°C (10:52 pm)
Humidity	81.9 ^%	97 ^% (4:52 pm)	53 ^% (7:52 pm)
Barometer	1012.5 ^hPa	1014.9 hPa (10:52 am)	1010.2 hPa (8:52 am)
Wind Speed	8.9 ^km/h	22.2 ^km/h (2:52 pm)
Wind Gust		29.6 ^km/h (2:52 pm)

Weather Element	Average
Visibility	16.1 ^km
Wind Direction	SSE (150.7 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	6.4 (Base 18.3)
Growing Degree Days	14.7 (Base 10)

Averaged from 27 records on 9 July, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 9 JULY, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Events	Conditions
12:52 AM	21.1 ^°C	20 ^°C	93 ^%	1010.2 hPa	16.1 ^km	SSW (200°)	9.3 ^km/h				Mostly Cloudy
1:52 AM	20.6 ^°C	20 ^°C	96 ^%	1010.2 hPa	16.1 ^km	South (170°)	9.3 ^km/h				Mostly Cloudy
2:52 AM	20.6 ^°C	19.4 ^°C	93 ^%	1010.2 hPa	16.1 ^km	Calm					Scattered Clouds
3:52 AM	20.6 ^°C	19.4 ^°C	93 ^%	1010.8 hPa	16.1 ^km	South (190°)	7.4 ^km/h				Scattered Clouds
4:52 AM	20 ^°C	19.4 ^°C	96 ^%	1011.2 hPa	16.1 ^km	Calm					Scattered Clouds
5:52 AM	19.4 ^°C	18.9 ^°C	97 ^%	1011.5 hPa	14.5 ^km	South (190°)	5.6 ^km/h				Scattered Clouds
6:52 AM	20 ^°C	19.4 ^°C	96 ^%	1012.2 hPa	16.1 ^km	Calm					Mostly Cloudy
7:52 AM	21.1 ^°C	20 ^°C	93 ^%	1012.9 hPa	16.1 ^km	South (180°)	5.6 ^km/h				Mostly Cloudy
8:52 AM	22.2 ^°C	20 ^°C	87 ^%	1013.2 hPa	16.1 ^km	Calm			0 mm	Rain	Light Rain
9:30 AM	22 ^°C	21 ^°C	94 ^%	1013.5 hPa	16.1 ^km	SSE (160°)	7.4 ^km/h		0 mm	Rain	Light Rain
9:52 AM	23.3 ^°C	21.1 ^°C	87 ^%	1013.5 hPa	16.1 ^km	South (180°)	5.6 ^km/h		0 mm		Overcast
10:52 AM	26.1 ^°C	21.1 ^°C	74 ^%	1013.9 hPa	16.1 ^km	SW (230°)	11.1 ^km/h				Mostly Cloudy
11:52 AM	27.2 ^°C	20.6 ^°C	67 ^%	1013.9 hPa	16.1 ^km	SSW (200°)	13 ^km/h				Mostly Cloudy
12:52 PM	28.3 ^°C	20 ^°C	60 ^%	1013.2 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h				Mostly Cloudy
1:52 PM	30 ^°C	19.4 ^°C	53 ^%	1012.9 hPa	16.1 ^km	South (190°)	16.7 ^km/h				Mostly Cloudy
2:52 PM	30 ^°C	20 ^°C	55 ^%	1011.9 hPa	16.1 ^km	SSW (200°)	22.2 ^km/h	29.6 ^km/h			Mostly Cloudy
3:52 PM	27.8 ^°C	19.4 ^°C	60 ^%	1012.2 hPa	16.1 ^km	SSW (200°)	14.8 ^km/h				Scattered Clouds
4:06 PM	27 ^°C	19 ^°C	61 ^%	1012.2 hPa	16.1 ^km	SSW (200°)	16.7 ^km/h		0 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
4:45 PM	26 ^°C	22 ^°C	78 ^%	1012.2 hPa	16.1 ^km	WSW (240°)	13 ^km/h		0 mm	Rain	Light Rain
4:52 PM	25 ^°C	21.7 ^°C	82 ^%	1011.9 hPa	16.1 ^km	SW (230°)	16.7 ^km/h		0 mm	Rain-Thunderstorm	Light Thunderstorms and Rain
5:52 PM	23.3 ^°C	19.4 ^°C	79 ^%	1012.5 hPa	16.1 ^km	South (180°)	14.8 ^km/h		0 mm		Mostly Cloudy
6:52 PM	22.8 ^°C	18.3 ^°C	76 ^%	1012.9 hPa	16.1 ^km	South (190°)	9.3 ^km/h				Overcast
7:52 PM	22.2 ^°C	18.3 ^°C	78 ^%	1013.2 hPa	16.1 ^km	Calm					Mostly Cloudy
8:52 PM	21.1 ^°C	18.9 ^°C	87 ^%	1013.5 hPa	16.1 ^km	South (180°)	5.6 ^km/h				Mostly Cloudy
9:52 PM	20.6 ^°C	19.4 ^°C	93 ^%	1014.6 hPa	16.1 ^km	Calm					Mostly Cloudy
10:52 PM	21.1 ^°C	19.4 ^°C	90 ^%	1014.9 hPa	16.1 ^km	South (170°)	13 ^km/h				Overcast
11:52 PM	21.1 ^°C	20 ^°C	93 ^%	1014.9 hPa	16.1 ^km	South (190°)	5.6 ^km/h				Overcast

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