STERLING, VIRGINIA

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

WEATHER

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DAILY WEATHER AVERAGE - 15 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.8 ^°C	9.7 ^°C	-0.1 ^°C	18.3 ^°C (2008)	-7.2 ^°C (2010)
Dewpoint	-0.8 ^°C	2.3 ^°C	-4.4 ^°C	16.7 ^°C (2015)	-16.1 ^°C (2010)
Humidity	69.3 ^%	87.4 ^%	50 ^%		31 ^% (2010)
Barometer	1019.6 ^hPa	1024.4 ^hPa	1014.9 ^hPa	1036.6 ^hPa (2000)	998 ^hPa (2015)
Wind Speed	12.2 ^km/h	25.4 ^km/h		42.6 ^km/h (2010)
Wind Gust		43.5 ^km/h		53.8 ^km/h (2015)
Precipitation	14.48 ^mm			39.12 ^mm (2005)

Weather Element	Average
Visibility	14 ^km
Wind Direction	SSW (209.6 °)

Weather Element	Total
Heating Degree Days	13.6 (Base 18.3)
Growing Degree Days	1.8 (Base 10)

Total Years on Record: 21

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