CHATHAM, MASSACHUSETTS

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

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DAILY WEATHER AVERAGE - 18 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	21.3 ^°C	25.2 ^°C	18.1 ^°C	29.4 ^°C (2009)	13.9 ^°C (1997)
Dewpoint	17.6 ^°C	20.2 ^°C	14.9 ^°C	24 ^°C (2002)	7.8 ^°C (2007)
Humidity	80.1 ^%	94.4 ^%	59.8 ^%		40 ^% (2007)
Barometer	1015.6 ^hPa	1017.6 ^hPa	1013.2 ^hPa	1025.7 ^hPa (2013)	1007.1 ^hPa (2007)
Wind Speed	9.3 ^km/h	17.9 ^km/h		27.8 ^km/h (2007)
Wind Gust		32.5 ^km/h		48.1 ^km/h (2007)
Precipitation	16 ^mm			69.6 ^mm (1998)

Weather Element	Average
Visibility	13.8 ^km
Wind Direction	ESE (125.6 °)

Total Years on Record: 17

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