DULLES, VIRGINIA

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Elevation: 290 feet 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 - MARCH 1, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	27 ^°F	30.9 ^°F (5:52 pm)	19 ^°F (1:52 am)
Dewpoint	21.1 ^°F	30 ^°F (11:52 pm)	9 ^°F (12:52 am)
Humidity	79.5 ^%	96 ^% (11:52 pm)	51 ^% (8:44 am)
Barometer	30.47 ⁱⁿ	30.72 ⁱⁿ (12:52 am)	30.20 ⁱⁿ (11:52 pm)
Wind Speed	4.7 ^mph	10.4 ^mph (2:52 pm)

Weather Element	Average
Visibility	6 ^mi
Wind Direction	SSE (157.9 °)

Weather Element	Total
Precipitation	0.31 ⁱⁿ
Heating Degree Days	40.1 (Base 65)

Averaged from 33 records on March 1, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - MARCH 1, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Precipitation	Events	Conditions
12:52 AM	21.0 ^°F	9.0 ^°F	60 ^%	30.72 ⁱⁿ	10.0 ^mi	South (170°)	4.6 ^mph			Scattered Clouds
1:52 AM	19.0 ^°F	10.9 ^°F	71 ^%	30.72 ⁱⁿ	10.0 ^mi	Calm				Overcast
2:52 AM	21.9 ^°F	12.0 ^°F	66 ^%	30.69 ⁱⁿ	10.0 ^mi	Calm				Overcast
3:52 AM	21.9 ^°F	12.0 ^°F	66 ^%	30.66 ⁱⁿ	10.0 ^mi	Calm				Overcast
4:52 AM	23.0 ^°F	12.0 ^°F	63 ^%	30.64 ⁱⁿ	10.0 ^mi	SSE (160°)	3.5 ^mph			Overcast
5:52 AM	24.1 ^°F	12.0 ^°F	60 ^%	30.66 ⁱⁿ	10.0 ^mi	Calm				Overcast
6:52 AM	24.1 ^°F	12.0 ^°F	60 ^%	30.65 ⁱⁿ	10.0 ^mi	SSE (150°)	3.5 ^mph			Overcast
7:52 AM	25.0 ^°F	10.9 ^°F	55 ^%	30.64 ⁱⁿ	10.0 ^mi	SSE (150°)	5.8 ^mph			Overcast
8:44 AM	26.6 ^°F	10.4 ^°F	51 ^%	30.63 ⁱⁿ	7.0 ^mi	SSE (160°)	4.6 ^mph	0.00 ⁱⁿ	Snow	Light Snow
8:52 AM	24.8 ^°F	12.2 ^°F	59 ^%	30.63 ⁱⁿ	6.0 ^mi	SSE (160°)	4.6 ^mph		Snow	Light Snow
9:37 AM	24.8 ^°F	17.6 ^°F	74 ^%	30.62 ⁱⁿ	2.0 ^mi	South (170°)	6.9 ^mph	0.01 ⁱⁿ	Snow	Light Snow
9:52 AM	24.1 ^°F	18.0 ^°F	77 ^%	30.62 ⁱⁿ	1.5 ^mi	SSE (160°)	8.1 ^mph	0.02 ⁱⁿ	Snow	Light Snow
9:59 AM	24.8 ^°F	17.6 ^°F	74 ^%	30.60 ⁱⁿ	4.0 ^mi	South (170°)	8.1 ^mph	0.00 ⁱⁿ	Rain	Freezing Rain
10:20 AM	24.8 ^°F	19.4 ^°F	80 ^%	30.59 ⁱⁿ	6.0 ^mi	South (180°)	5.8 ^mph	0.01 ⁱⁿ	Rain	Light Freezing Rain
10:52 AM	26.1 ^°F	21.0 ^°F	81 ^%	30.59 ⁱⁿ	7.0 ^mi	South (190°)	6.9 ^mph	0.01 ⁱⁿ	Rain	Light Freezing Rain
11:52 AM	26.6 ^°F	21.2 ^°F	80 ^%	30.56 ⁱⁿ	10.0 ^mi	South (180°)	6.9 ^mph		Rain	Light Freezing Rain
12:52 PM	27.0 ^°F	23.0 ^°F	85 ^%	30.52 ⁱⁿ	6.0 ^mi	South (190°)	9.2 ^mph	0.04 ⁱⁿ	Rain	Light Freezing Rain
1:52 PM	28.0 ^°F	24.1 ^°F	85 ^%	30.45 ⁱⁿ	5.0 ^mi	South (170°)	8.1 ^mph	0.02 ⁱⁿ	Rain	Light Freezing Rain
2:52 PM	28.0 ^°F	24.1 ^°F	85 ^%	30.43 ⁱⁿ	6.0 ^mi	South (180°)	10.4 ^mph	0.04 ⁱⁿ	Rain	Light Freezing Rain
3:38 PM	28.4 ^°F	26.6 ^°F	93 ^%	30.38 ⁱⁿ	6.0 ^mi	South (180°)	4.6 ^mph	0.01 ⁱⁿ	Rain	Light Freezing Rain
3:52 PM	28.9 ^°F	26.1 ^°F	89 ^%	30.39 ⁱⁿ	6.0 ^mi	South (180°)	5.8 ^mph	0.02 ⁱⁿ	Rain	Light Freezing Rain
4:52 PM	30.0 ^°F	28.0 ^°F	92 ^%	30.37 ⁱⁿ	4.0 ^mi	SW (230°)	4.6 ^mph	0.05 ⁱⁿ	Rain	Light Freezing Rain
5:52 PM	30.9 ^°F	28.9 ^°F	92 ^%	30.32 ⁱⁿ	6.0 ^mi	SSW (200°)	4.6 ^mph	0.07 ⁱⁿ	Rain	Light Freezing Rain
6:52 PM	30.9 ^°F	28.0 ^°F	89 ^%	30.31 ⁱⁿ	10.0 ^mi	SW (230°)	4.6 ^mph	0.01 ⁱⁿ	Rain	Light Freezing Rain
7:43 PM	30.2 ^°F	28.4 ^°F	93 ^%	30.28 ⁱⁿ	9.0 ^mi	South (180°)	4.6 ^mph	0.00 ⁱⁿ		Overcast
7:52 PM	30.9 ^°F	28.9 ^°F	92 ^%	30.30 ⁱⁿ	9.0 ^mi	WSW (240°)	3.5 ^mph	0.00 ⁱⁿ		Overcast
8:03 PM	30.2 ^°F	28.4 ^°F	93 ^%	30.27 ⁱⁿ	2.0 ^mi	SSW (200°)	4.6 ^mph			Overcast
8:22 PM	30.2 ^°F	28.4 ^°F	93 ^%	30.25 ⁱⁿ	1.0 ^mi	South (190°)	4.6 ^mph			Overcast
8:52 PM	30.9 ^°F	28.9 ^°F	92 ^%	30.25 ⁱⁿ	1.0 ^mi	Calm				Overcast
9:29 PM	30.2 ^°F	28.4 ^°F	93 ^%	30.22 ⁱⁿ	0.5 ^mi	South (190°)	4.6 ^mph			Overcast
9:52 PM	30.9 ^°F	28.9 ^°F	92 ^%	30.24 ⁱⁿ	0.5 ^mi	SSW (200°)	3.5 ^mph			Overcast
10:52 PM	30.9 ^°F	28.9 ^°F	92 ^%	30.22 ⁱⁿ	0.5 ^mi	South (190°)	4.6 ^mph			Overcast
11:52 PM	30.9 ^°F	30.0 ^°F	96 ^%	30.20 ⁱⁿ	0.5 ^mi	West (260°)	3.5 ^mph		Fog	Light Freezing Fog

Hourly data recorded from KIAD, located miles away from Dulles, Virginia