CHELSEA, MASSACHUSETTS

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Elevation: 30 feet Latitude: 42 24N Longitude: 071 06W

WEATHER

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DAILY WEATHER AVERAGE - DECEMBER 19

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	34.6 ^°F	40.2 ^°F	27.8 ^°F	51.1 ^°F (1996)	15.1 ^°F (2008)
Dewpoint	22.4 ^°F	29 ^°F	16.4 ^°F	48 ^°F (1996)	-11 ^°F (2009)
Humidity	63.1 ^%	78.6 ^%	48.8 ^%		26 ^% (2009)
Barometer	29.97 ⁱⁿ	30.13 ⁱⁿ	29.82 ⁱⁿ	30.51 ⁱⁿ (1999)	29.37 ⁱⁿ (1996)
Wind Speed	10.9 ^mph	17.9 ^mph		34.5 ^mph (2008)
Wind Gust		28.2 ^mph		46 ^mph (2008)
Precipitation	0.43 ⁱⁿ			1.05 ⁱⁿ (1996)

Weather Element	Average
Visibility	9.2 ^mi
Wind Direction	SW (229.9 °)

Weather Element	Total
Heating Degree Days	31 (Base 18.3)

Total Years on Record: 21

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