CHATHAM, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 17 OCTOBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.9 ^°C	16.2 ^°C	9.2 ^°C	21.1 ^°C (1996)	5 ^°C (2008)
Dewpoint	7.8 ^°C	11.3 ^°C	4.6 ^°C	17.2 ^°C (1999)	-2.8 ^°C (2000)
Humidity	73.6 ^%	90.2 ^%	52.1 ^%		35 ^% (2000)
Barometer	1014.6 ^hPa	1017.3 ^hPa	1011.2 ^hPa	1028.4 ^hPa (1998)	996.6 ^hPa (2005)
Wind Speed	10.1 ^km/h	20.1 ^km/h		37 ^km/h (2002)
Wind Gust		39.4 ^km/h		57.5 ^km/h (2002)
Precipitation	1.02 ^mm			2.54 ^mm (2009)

Weather Element	Average
Visibility	14.8 ^km
Wind Direction	ESE (117.1 °)

Weather Element	Total
Heating Degree Days	5.7 (Base 18.3)
Growing Degree Days	3.6 (Base 10)

Total Years on Record: 18

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