BOSTON, MASSACHUSETTS

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Elevation: 1 meter Latitude: 42 22N Longitude: 071 02W

WEATHER

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DAILY WEATHER AVERAGE - 12 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3 ^°C	6.2 ^°C	-0.6 ^°C	15.6 ^°C (2015)	-8.3 ^°C (1995)
Dewpoint	-3.1 ^°C	0.6 ^°C	-7.1 ^°C	11 ^°C (2010)	-20 ^°C (2011)
Humidity	67.1 ^%	81.2 ^%	51.9 ^%		21 ^% (2011)
Barometer	1017.6 ^hPa	1024 ^hPa	1011.5 ^hPa	1037.9 ^hPa (2006)	992.6 ^hPa (2010)
Wind Speed	20.1 ^km/h	32.2 ^km/h		61.2 ^km/h (2000)
Wind Gust		47.8 ^km/h		77.7 ^km/h (2000)
Precipitation	22.1 ^mm			89.15 ^mm (2008)

Weather Element	Average
Visibility	15 ^km
Wind Direction	WSW (233.4 °)

Weather Element	Total
Heating Degree Days	15.6 (Base 18.3)
Growing Degree Days	3.1 (Base 10)

Total Years on Record: 21

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