CHATHAM, MASSACHUSETTS

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

WEATHER

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DAILY WEATHER AVERAGE - 15 MAY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	12.4 ^°C	16.2 ^°C	9 ^°C	20.6 ^°C (2010)	2.2 ^°C (1998)
Dewpoint	7.8 ^°C	10.7 ^°C	4.7 ^°C	15 ^°C (2011)	-3.3 ^°C (2008)
Humidity	76.3 ^%	92.9 ^%	56.5 ^%		27 ^% (2008)
Barometer	1016.6 ^hPa	1020 ^hPa	1013.2 ^hPa	1029.8 ^hPa (1999)	999.7 ^hPa (2002)
Wind Speed	12.9 ^km/h	21.7 ^km/h		35.2 ^km/h (2007)
Wind Gust		39.9 ^km/h		55.5 ^km/h (2007)
Precipitation	7.62 ^mm			14.73 ^mm (2001)

Weather Element	Average
Visibility	12.6 ^km
Wind Direction	SSE (157.6 °)

Weather Element	Total
Heating Degree Days	5.7 (Base 18.3)
Growing Degree Days	2.9 (Base 10)

Total Years on Record: 19

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