HYANNIS, MASSACHUSETTS

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Elevation: 1 meter Latitude: 41 40N Longitude: 070 18W

WEATHER

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DAILY WEATHER AVERAGE - 15 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	3.3 ^°C	6.8 ^°C	-0.5 ^°C	16.1 ^°C (2015)	-7.8 ^°C (2010)
Dewpoint	-0.3 ^°C	3.8 ^°C	-5.3 ^°C	15.6 ^°C (2015)	-21.1 ^°C (1997)
Humidity	78.6 ^%	90.9 ^%	60.6 ^%		26 ^% (1997)
Barometer	1015.9 ^hPa	1021.3 ^hPa	1010.5 ^hPa	1036.2 ^hPa (2000)	988.8 ^hPa (2003)
Wind Speed	17.2 ^km/h	29.5 ^km/h		44.4 ^km/h (2003)
Wind Gust		47.3 ^km/h		70.3 ^km/h (2013)
Precipitation	20.32 ^mm			50.04 ^mm (2013)

Weather Element	Average
Visibility	13 ^km
Wind Direction	SSW (196 °)

Weather Element	Total
Heating Degree Days	15.2 (Base 18.3)
Growing Degree Days	1.7 (Base 10)

Total Years on Record: 21

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