GROTON, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 18 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.6 ^°C	15.1 ^°C	4 ^°C	25 ^°C (1998)	-3.3 ^°C (2015)
Dewpoint	4.4 ^°C	7.4 ^°C	1.1 ^°C	15.6 ^°C (2013)	-9.4 ^°C (2001)
Humidity	73.5 ^%	94.3 ^%	47.7 ^%		24 ^% (2001)
Barometer	1014.9 ^hPa	1019.3 ^hPa	1011.2 ^hPa	1028.4 ^hPa (2015)	999.7 ^hPa (2014)
Wind Speed	9.5 ^km/h	23.3 ^km/h		42.6 ^km/h (2001)
Wind Gust		39.4 ^km/h		59.2 ^km/h (2001)
Precipitation	13.97 ^mm			34.29 ^mm (1999)

Weather Element	Average
Visibility	14.3 ^km
Wind Direction	S (179.1 °)

Weather Element	Total
Heating Degree Days	8.8 (Base 18.3)
Growing Degree Days	4.2 (Base 10)

Total Years on Record: 18

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