HYANNIS, MASSACHUSETTS

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Elevation: 1 meter Latitude: 41 40N Longitude: 070 18W

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DAILY WEATHER AVERAGE - 17 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	22.4 ^°C	26.3 ^°C	18.7 ^°C	31.1 ^°C (2002)	13.3 ^°C (2013)
Dewpoint	18.9 ^°C	20.8 ^°C	16.2 ^°C	24 ^°C (2010)	2.8 ^°C (2007)
Humidity	82.4 ^%	95.9 ^%	63.3 ^%		21 ^% (2007)
Barometer	1015.6 ^hPa	1017.3 ^hPa	1013.9 ^hPa	1025.1 ^hPa (2013)	1007.5 ^hPa (2007)
Wind Speed	12.7 ^km/h	23.7 ^km/h		38.9 ^km/h (1999)
Wind Gust		35.9 ^km/h		44.4 ^km/h (1999)
Precipitation	26.42 ^mm			69.34 ^mm (2003)

Weather Element	Average
Visibility	13.2 ^km
Wind Direction	S (177.7 °)

Weather Element	Total
Cooling Degree Days	4.2 (Base 18.3)
Growing Degree Days	12.6 (Base 10)

Total Years on Record: 20

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