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 - JANUARY 25, 2015

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	41 ^°F	46 ^°F (10:52 am)	35.1 ^°F (1:52 am)
Dewpoint	29.1 ^°F	33.1 ^°F (7:52 pm)	26.1 ^°F (12:52 am)
Humidity	63.2 ^%	73 ^% (7:52 pm)	51 ^% (10:52 am)
Barometer	29.81 ⁱⁿ	29.86 ⁱⁿ (8:52 pm)	29.70 ⁱⁿ (12:52 am)
Wind Speed	4.5 ^mph	8.1 ^mph (1:52 am)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SE (140 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	24.5 (Base 65)

Averaged from 24 records on January 25, 2015

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - JANUARY 25, 2015

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:52 AM	36.0 ^°F	26.1 ^°F	67 ^%	29.70 ⁱⁿ	10.0 ^mi	WSW (240°)	3.5 ^mph	Mostly Cloudy
1:52 AM	35.1 ^°F	26.1 ^°F	70 ^%	29.73 ⁱⁿ	10.0 ^mi	WNW (290°)	8.1 ^mph	Mostly Cloudy
2:52 AM	37.9 ^°F	26.1 ^°F	62 ^%	29.75 ⁱⁿ	10.0 ^mi	Calm		Mostly Cloudy
3:52 AM	36.0 ^°F	27.0 ^°F	70 ^%	29.75 ⁱⁿ	10.0 ^mi	Calm		Overcast
4:52 AM	35.1 ^°F	26.1 ^°F	70 ^%	29.77 ⁱⁿ	10.0 ^mi	South (190°)	4.6 ^mph	Scattered Clouds
5:52 AM	36.0 ^°F	27.0 ^°F	70 ^%	29.80 ⁱⁿ	10.0 ^mi	SSW (210°)	5.8 ^mph	Mostly Cloudy
6:52 AM	37.0 ^°F	27.0 ^°F	67 ^%	29.83 ⁱⁿ	10.0 ^mi	SW (220°)	5.8 ^mph	Overcast
7:52 AM	36.0 ^°F	27.0 ^°F	70 ^%	29.83 ⁱⁿ	10.0 ^mi	South (190°)	5.8 ^mph	Overcast
8:52 AM	37.0 ^°F	27.0 ^°F	67 ^%	29.84 ⁱⁿ	10.0 ^mi	SSW (200°)	6.9 ^mph	Overcast
9:52 AM	39.9 ^°F	28.0 ^°F	63 ^%	29.85 ⁱⁿ	10.0 ^mi	SSW (210°)	8.1 ^mph	Overcast
10:52 AM	46.0 ^°F	28.9 ^°F	51 ^%	29.85 ⁱⁿ	10.0 ^mi	WSW (240°)	3.5 ^mph	Overcast
11:52 AM	45.0 ^°F	28.9 ^°F	53 ^%	29.85 ⁱⁿ	10.0 ^mi	Variable	4.6 ^mph	Overcast
12:52 PM	45.0 ^°F	30.9 ^°F	58 ^%	29.83 ⁱⁿ	10.0 ^mi	South (190°)	8.1 ^mph	Overcast
1:52 PM	45.0 ^°F	30.0 ^°F	56 ^%	29.82 ⁱⁿ	10.0 ^mi	SSW (200°)	3.5 ^mph	Overcast
2:52 PM	46.0 ^°F	30.9 ^°F	56 ^%	29.81 ⁱⁿ	10.0 ^mi	South (170°)	8.1 ^mph	Overcast
3:52 PM	46.0 ^°F	30.9 ^°F	56 ^%	29.82 ⁱⁿ	10.0 ^mi	SSW (200°)	6.9 ^mph	Overcast
4:52 PM	45.0 ^°F	30.9 ^°F	58 ^%	29.82 ⁱⁿ	10.0 ^mi	SSW (200°)	4.6 ^mph	Overcast
5:52 PM	45.0 ^°F	30.9 ^°F	58 ^%	29.84 ⁱⁿ	10.0 ^mi	Calm		Overcast
6:52 PM	43.0 ^°F	30.9 ^°F	62 ^%	29.85 ⁱⁿ	10.0 ^mi	Calm		Overcast
7:52 PM	41.0 ^°F	33.1 ^°F	73 ^%	29.85 ⁱⁿ	10.0 ^mi	NE (40°)	4.6 ^mph	Overcast
8:52 PM	41.0 ^°F	32.0 ^°F	70 ^%	29.86 ⁱⁿ	10.0 ^mi	Calm		Overcast
9:52 PM	43.0 ^°F	30.9 ^°F	62 ^%	29.83 ⁱⁿ	10.0 ^mi	East (100°)	5.8 ^mph	Overcast
10:52 PM	43.0 ^°F	30.9 ^°F	62 ^%	29.84 ⁱⁿ	10.0 ^mi	ESE (120°)	3.5 ^mph	Overcast
11:52 PM	43.0 ^°F	32.0 ^°F	65 ^%	29.83 ⁱⁿ	10.0 ^mi	SSE (150°)	5.8 ^mph	Overcast

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