PORT HEIDEN, ALASKA

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Elevation: 28 meters Latitude: 56 58N Longitude: 158 39W

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DAILY WEATHER AVERAGE - 17 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.3 ^°C	13.9 ^°C	9.2 ^°C	22 ^°C (2004)	6 ^°C (1999)
Dewpoint	6.8 ^°C	9.1 ^°C	6.2 ^°C	14 ^°C (2004)	0 ^°C (1996)
Humidity	76.8 ^%	89.6 ^%	64.1 ^%		4 ^% (1996)
Barometer	1013.9 ^hPa	1016.9 ^hPa	1010.8 ^hPa	1028.8 ^hPa (2002)	997.3 ^hPa (2013)
Wind Speed	18.8 ^km/h	29.3 ^km/h		50.1 ^km/h (2007)
Wind Gust		41.8 ^km/h		61.2 ^km/h (2007)
Precipitation	3.81 ^mm			10.16 ^mm (2005)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	SSW (201.7 °)

Weather Element	Total
Heating Degree Days	6.8 (Base 18.3)
Growing Degree Days	2.5 (Base 10)

Total Years on Record: 19

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