CHATHAM, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 15 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	20.8 ^°C	24.3 ^°C	17.7 ^°C	27.2 ^°C (2003)	14.4 ^°C (2010)
Dewpoint	17.7 ^°C	19.8 ^°C	15.2 ^°C	23.9 ^°C (2005)	5.6 ^°C (2013)
Humidity	83.4 ^%	95.1 ^%	67.2 ^%		32 ^% (2010)
Barometer	1016.9 ^hPa	1019 ^hPa	1014.9 ^hPa	1024.7 ^hPa (2004)	1001.7 ^hPa (2011)
Wind Speed	10.3 ^km/h	20.3 ^km/h		33.3 ^km/h (2011)
Wind Gust		38 ^km/h		50.1 ^km/h (2011)
Precipitation	26.67 ^mm			115.06 ^mm (2011)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	ESE (123.6 °)

Weather Element	Total
Cooling Degree Days	2.7 (Base 18.3)
Growing Degree Days	11 (Base 10)

Total Years on Record: 19

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