GROTON, MASSACHUSETTS

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Elevation: 104 meters Latitude: 42 36N Longitude: 071 35W

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DAILY WEATHER AVERAGE - 9 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.3 ^°C	3.6 ^°C	-6.1 ^°C	12.8 ^°C (2008)	-14.4 ^°C (2000)
Dewpoint	-5.8 ^°C	-1.9 ^°C	-9.7 ^°C	10 ^°C (2008)	-25.6 ^°C (2002)
Humidity	74.1 ^%	88.6 ^%	53.1 ^%		26 ^% (2002)
Barometer	1022 ^hPa	1028.4 ^hPa	1016.3 ^hPa	1036.6 ^hPa (2002)	989.8 ^hPa (2009)
Wind Speed	6.9 ^km/h	19.5 ^km/h		33.3 ^km/h (2005)
Wind Gust		39.8 ^km/h		51.8 ^km/h (2014)
Precipitation	24.13 ^mm			83.82 ^mm (2014)

Weather Element	Average
Visibility	12.4 ^km
Wind Direction	ESE (128.9 °)

Weather Element	Total
Heating Degree Days	19.7 (Base 18.3)

Total Years on Record: 19

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