GROTON, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 29 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.2 ^°C	2.6 ^°C	-5.3 ^°C	13.3 ^°C (2003)	-14.4 ^°C (1997)
Dewpoint	-7 ^°C	-3.6 ^°C	-11.6 ^°C	4 ^°C (2005)	-21.1 ^°C (2006)
Humidity	68.1 ^%	84.5 ^%	48 ^%		21 ^% (2006)
Barometer	1012.9 ^hPa	1019.6 ^hPa	1006.4 ^hPa	1040.6 ^hPa (2006)	990.9 ^hPa (1997)
Wind Speed	10.1 ^km/h	22.2 ^km/h		48.1 ^km/h (2009)
Wind Gust		39.8 ^km/h		72.3 ^km/h (2009)
Precipitation	26.92 ^mm			70.61 ^mm (2013)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	SSW (186.2 °)

Weather Element	Total
Heating Degree Days	19.7 (Base 18.3)

Total Years on Record: 19

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