PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 18 AUGUST

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	11.3 ^°C	14.4 ^°C	7.4 ^°C	20 ^°C (2004)	(2012)
Dewpoint	6.4 ^°C	9.5 ^°C	6.2 ^°C	14 ^°C (2011)	3.8 ^°C (1996)
Humidity	75.5 ^%	92.3 ^%	60.1 ^%		4 ^% (1996)
Barometer	1013.5 ^hPa	1016.6 ^hPa	1010.2 ^hPa	1028.4 ^hPa (1998)	987.5 ^hPa (2007)
Wind Speed	19.8 ^km/h	32.7 ^km/h		50.1 ^km/h (2012)
Wind Gust		45.1 ^km/h		66.6 ^km/h (2012)
Precipitation	5.08 ^mm			11.18 ^mm (2006)

Weather Element	Average
Visibility	16.7 ^km
Wind Direction	SSW (204.8 °)

Weather Element	Total
Heating Degree Days	7.4 (Base 18.3)
Growing Degree Days	2.3 (Base 10)

Total Years on Record: 19

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