GROTON, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 31 JANUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-3.1 ^°C	1.6 ^°C	-7.7 ^°C	16 ^°C (2013)	-19.4 ^°C (1999)
Dewpoint	-9.6 ^°C	-6.1 ^°C	-13.6 ^°C	13.9 ^°C (2013)	-25.6 ^°C (1999)
Humidity	65 ^%	84.7 ^%	42.1 ^%		18 ^% (1999)
Barometer	1016.9 ^hPa	1022 ^hPa	1012.2 ^hPa	1045 ^hPa (1999)	981 ^hPa (2013)
Wind Speed	9.7 ^km/h	22.2 ^km/h		46.3 ^km/h (2013)
Wind Gust		41.7 ^km/h		74 ^km/h (2013)
Precipitation	20.83 ^mm			30.99 ^mm (2002)

Weather Element	Average
Visibility	13.4 ^km
Wind Direction	SSE (161 °)

Weather Element	Total
Heating Degree Days	21.4 (Base 18.3)

Total Years on Record: 19

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