PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 21 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.9 ^°C	9.1 ^°C	3.4 ^°C	18 ^°C (2000)	(2015)
Dewpoint	2.1 ^°C	4.1 ^°C	0.8 ^°C	13 ^°C (2000)	-16 ^°C (1997)
Humidity	68.7 ^%	82.4 ^%	57.5 ^%		4 ^% (1997)
Barometer	1002.4 ^hPa	1007.1 ^hPa	997.6 ^hPa	1022.7 ^hPa (2008)	972.2 ^hPa (2013)
Wind Speed	22.4 ^km/h	38.3 ^km/h		59.2 ^km/h (2000)
Wind Gust		50.5 ^km/h		74 ^km/h (2000)
Precipitation	8.89 ^mm			21.08 ^mm (2006)

Weather Element	Average
Visibility	16.7 ^km
Wind Direction	SSW (190.7 °)

Weather Element	Total
Heating Degree Days	12.1 (Base 18.3)
Growing Degree Days	1.3 (Base 10)

Total Years on Record: 19

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