CHELSEA, MASSACHUSETTS

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Elevation: 9 meters Latitude: 42 24N Longitude: 071 06W

WEATHER

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DAILY WEATHER AVERAGE - 23 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	2 ^°C	5.2 ^°C	-0.9 ^°C	16 ^°C (2004)	-8.9 ^°C (2009)
Dewpoint	-3.7 ^°C	-0.4 ^°C	-6.2 ^°C	13.3 ^°C (2004)	-19.4 ^°C (1998)
Humidity	68.5 ^%	79.8 ^%	55.9 ^%		37 ^% (1998)
Barometer	1017.6 ^hPa	1022.4 ^hPa	1012.9 ^hPa	1036.6 ^hPa (2008)	1001 ^hPa (2010)
Wind Speed	18.2 ^km/h	30.9 ^km/h		55.5 ^km/h (2007)
Wind Gust		45.1 ^km/h		81.4 ^km/h (2007)
Precipitation	25.15 ^mm			61.47 ^mm (2004)

Weather Element	Average
Visibility	14.2 ^km
Wind Direction	SW (221.4 °)

Weather Element	Total
Heating Degree Days	16.2 (Base 18.3)
Growing Degree Days	0.3 (Base 10)

Total Years on Record: 20

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