BOSTON, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 18 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	23 ^°C	27.3 ^°C	19.1 ^°C	35 ^°C (2002)	14 ^°C (1997)
Dewpoint	16 ^°C	18.3 ^°C	13.4 ^°C	22.2 ^°C (2001)	6.1 ^°C (2009)
Humidity	66.6 ^%	85.9 ^%	46 ^%		33 ^% (2009)
Barometer	1014.9 ^hPa	1017.6 ^hPa	1012.5 ^hPa	1025.1 ^hPa (2013)	1006.8 ^hPa (1999)
Wind Speed	15.1 ^km/h	25.9 ^km/h		44.4 ^km/h (2015)
Wind Gust		40.7 ^km/h		70.3 ^km/h (2007)
Precipitation	10.67 ^mm			37.59 ^mm (1998)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SSW (209.3 °)

Weather Element	Total
Cooling Degree Days	4.9 (Base 18.3)
Growing Degree Days	13.2 (Base 10)

Total Years on Record: 20

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