CHATHAM, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 18 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12 ^°C	15.7 ^°C	8.8 ^°C	23.3 ^°C (1998)	5 ^°C (2003)
Dewpoint	8.2 ^°C	10.3 ^°C	5.6 ^°C	16 ^°C (2004)	-8.3 ^°C (2003)
Humidity	79.8 ^%	95.2 ^%	61.2 ^%		18 ^% (2003)
Barometer	1017.3 ^hPa	1020.3 ^hPa	1014.2 ^hPa	1029.5 ^hPa (2004)	994.2 ^hPa (2008)
Wind Speed	14.8 ^km/h	23.8 ^km/h		42.6 ^km/h (2002)
Wind Gust		40.6 ^km/h		61.2 ^km/h (2002)
Precipitation	17.27 ^mm			67.31 ^mm (2010)

Weather Element	Average
Visibility	12.7 ^km
Wind Direction	ESE (126.3 °)

Weather Element	Total
Heating Degree Days	6.1 (Base 18.3)
Growing Degree Days	3.4 (Base 10)

Total Years on Record: 19

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