STERLING, VIRGINIA

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Elevation: 9 meters Latitude: 38 59N Longitude: 077 28W

WEATHER

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Number of Records: 213,900; Date Range: 1/1/95 - 3/22/16

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WEATHER ALMANAC - 20 DECEMBER, 2014

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[ °F ] °C

Weather Element	Average	High	Low
Temperature	-1.6 ^°C	1.1 ^°C (1:52 pm)	-6.7 ^°C (5:52 am)
Dewpoint	-6.2 ^°C	-3.9 ^°C (9:52 pm)	-8.3 ^°C (5:52 am)
Humidity	72.2 ^%	89 ^% (4:52 am)	54 ^% (1:52 pm)
Barometer	1025.7 ^hPa	1027.8 hPa (9:52 am)	1024.4 hPa (12:52 am)
Wind Speed	2.1 ^km/h	14.8 ^km/h (12:52 am)

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	ENE (63.3 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	21.2 (Base 18.3)

Averaged from 24 records on 20 December, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 20 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Conditions
12:52 AM	-1.7 ^°C	-6.7 ^°C	69 ^%	1024.4 hPa	16.1 ^km	NNW (340°)	14.8 ^km/h	Clear
1:52 AM	-3.3 ^°C	-6.7 ^°C	78 ^%	1024.7 hPa	16.1 ^km	Calm		Clear
2:52 AM	-3.9 ^°C	-7.2 ^°C	78 ^%	1025.1 hPa	16.1 ^km	Calm		Partly Cloudy
3:52 AM	-5 ^°C	-7.2 ^°C	85 ^%	1025.1 hPa	16.1 ^km	Calm		Partly Cloudy
4:52 AM	-5.6 ^°C	-7.2 ^°C	89 ^%	1025.1 hPa	14.5 ^km	Calm		Partly Cloudy
5:52 AM	-6.7 ^°C	-8.3 ^°C	89 ^%	1025.7 hPa	14.5 ^km	Calm		Scattered Clouds
6:52 AM	-4.4 ^°C	-7.2 ^°C	81 ^%	1026.4 hPa	16.1 ^km	NW (310°)	7.4 ^km/h	Partly Cloudy
7:52 AM	-3.3 ^°C	-6.7 ^°C	78 ^%	1026.1 hPa	16.1 ^km	NNE (20°)	9.3 ^km/h	Overcast
8:52 AM	-2 ^°C	-6 ^°C	74 ^%	1026.8 hPa	16.1 ^km	Calm		Overcast
9:52 AM	-1.1 ^°C	-6.1 ^°C	69 ^%	1027.8 hPa	16.1 ^km	NNW (330°)	7.4 ^km/h	Clear
10:52 AM	-0.6 ^°C	-6.7 ^°C	64 ^%	1027.1 hPa	16.1 ^km	Calm		Overcast
11:52 AM	0 ^°C	-6.7 ^°C	61 ^%	1026.1 hPa	16.1 ^km	Calm		Overcast
12:52 PM	0.6 ^°C	-6.7 ^°C	59 ^%	1025.7 hPa	16.1 ^km	Calm		Overcast
1:52 PM	1.1 ^°C	-7.2 ^°C	54 ^%	1025.1 hPa	16.1 ^km	Calm		Mostly Cloudy
2:52 PM	1 ^°C	-7 ^°C	56 ^%	1024.4 hPa	16.1 ^km	WNW (300°)	5.6 ^km/h	Overcast
3:52 PM	1.1 ^°C	-6.7 ^°C	56 ^%	1025.1 hPa	16.1 ^km	Calm		Mostly Cloudy
4:52 PM	0.6 ^°C	-6.1 ^°C	61 ^%	1025.4 hPa	16.1 ^km	Calm		Overcast
5:52 PM	0 ^°C	-5 ^°C	69 ^%	1026.1 hPa	16.1 ^km	Calm		Overcast
6:52 PM	0.6 ^°C	-5.6 ^°C	64 ^%	1026.1 hPa	16.1 ^km	Calm		Overcast
7:52 PM	-0.6 ^°C	-4.4 ^°C	76 ^%	1026.1 hPa	16.1 ^km	Calm		Overcast
8:52 PM	-1.1 ^°C	-4.4 ^°C	79 ^%	1026.4 hPa	16.1 ^km	Calm		Overcast
9:52 PM	-1.1 ^°C	-3.9 ^°C	82 ^%	1026.4 hPa	16.1 ^km	Calm		Overcast
10:52 PM	-1.1 ^°C	-3.9 ^°C	82 ^%	1026.4 hPa	16.1 ^km	SW (220°)	5.6 ^km/h	Overcast
11:52 PM	-0.6 ^°C	-3.9 ^°C	79 ^%	1026.4 hPa	16.1 ^km	Calm		Overcast

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