CHELSEA, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 21 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	21.8 ^°C	25.9 ^°C	18.1 ^°C	33.9 ^°C (1995)	13.3 ^°C (2007)
Dewpoint	16.6 ^°C	18.8 ^°C	14 ^°C	24 ^°C (2009)	7.8 ^°C (1995)
Humidity	74.4 ^%	88.4 ^%	57 ^%		33 ^% (1995)
Barometer	1016.3 ^hPa	1019 ^hPa	1013.9 ^hPa	1026.1 ^hPa (2002)	1005.8 ^hPa (1997)
Wind Speed	14.8 ^km/h	24.8 ^km/h		46.3 ^km/h (1997)
Wind Gust		39.4 ^km/h		59.2 ^km/h (1997)
Precipitation	26.16 ^mm			53.34 ^mm (2004)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	SSE (173.1 °)

Total Years on Record: 20

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