BOSTON, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 17 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2.8 ^°C	6.5 ^°C	-1.1 ^°C	17.8 ^°C (2000)	-12.8 ^°C (2013)
Dewpoint	-2.4 ^°C	1.9 ^°C	-6.9 ^°C	16 ^°C (2000)	-21.1 ^°C (2009)
Humidity	71.6 ^%	86.4 ^%	55.9 ^%		29 ^% (2009)
Barometer	1014.6 ^hPa	1021.3 ^hPa	1007.5 ^hPa	1032.2 ^hPa (2005)	983.4 ^hPa (2000)
Wind Speed	20.4 ^km/h	34.3 ^km/h		57.5 ^km/h (2000)
Wind Gust		49.7 ^km/h		87.1 ^km/h (2000)
Precipitation	33.02 ^mm			195.83 ^mm (2000)

Weather Element	Average
Visibility	12.1 ^km
Wind Direction	SW (229.4 °)

Weather Element	Total
Heating Degree Days	15.7 (Base 18.3)
Growing Degree Days	0.8 (Base 10)

Total Years on Record: 21

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