CHATHAM, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 1 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.1 ^°C	10 ^°C	3.3 ^°C	17.2 ^°C (2006)	-4.4 ^°C (2007)
Dewpoint	2.9 ^°C	7.1 ^°C	-2.7 ^°C	15 ^°C (2006)	-16.7 ^°C (2007)
Humidity	76.7 ^%	90.3 ^%	58.2 ^%		34 ^% (2007)
Barometer	1014.2 ^hPa	1021.7 ^hPa	1008.1 ^hPa	1036.9 ^hPa (2012)	987.1 ^hPa (1997)
Wind Speed	16.9 ^km/h	26.7 ^km/h		44.4 ^km/h (2004)
Wind Gust		45.5 ^km/h		72.3 ^km/h (2004)
Precipitation	11.68 ^mm			54.61 ^mm (1997)

Weather Element	Average
Visibility	13.4 ^km
Wind Direction	SSW (188 °)

Weather Element	Total
Heating Degree Days	11.7 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Total Years on Record: 20

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