CHATHAM, MASSACHUSETTS

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Elevation: 20 meters Latitude: 41 41N Longitude: 069 59W

WEATHER

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DAILY WEATHER AVERAGE - 21 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.1 ^°C	15.6 ^°C	8.2 ^°C	22.2 ^°C (2007)	2.2 ^°C (2008)
Dewpoint	7.2 ^°C	9.7 ^°C	3.8 ^°C	14.4 ^°C (2003)	-2.2 ^°C (2007)
Humidity	74.4 ^%	88.6 ^%	55 ^%		35 ^% (2007)
Barometer	1014.9 ^hPa	1017.9 ^hPa	1011.9 ^hPa	1024.4 ^hPa (2001)	997.6 ^hPa (2003)
Wind Speed	11.7 ^km/h	20.6 ^km/h		38.9 ^km/h (2003)
Wind Gust		36.7 ^km/h		53.8 ^km/h (2003)
Precipitation	20.07 ^mm			45.21 ^mm (1996)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SSE (143.5 °)

Weather Element	Total
Heating Degree Days	6.4 (Base 18.3)
Growing Degree Days	3.2 (Base 10)

Total Years on Record: 18

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