PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 22 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.5 ^°C	10.8 ^°C	3.6 ^°C	16 ^°C (1998)	(2015)
Dewpoint	0.6 ^°C	5.1 ^°C	0.4 ^°C	11 ^°C (1997)	-7 ^°C (1997)
Humidity	69.3 ^%	85.9 ^%	54.1 ^%		4 ^% (1997)
Barometer	1001 ^hPa	1005.4 ^hPa	996.6 ^hPa	1022.4 ^hPa (2008)	966.1 ^hPa (1997)
Wind Speed	21.2 ^km/h	37 ^km/h		51.8 ^km/h (1998)
Wind Gust		50.1 ^km/h		70.3 ^km/h (1998)
Precipitation	3.81 ^mm			7.62 ^mm (2001)

Weather Element	Average
Visibility	18 ^km
Wind Direction	SSE (167.6 °)

Weather Element	Total
Heating Degree Days	11.2 (Base 18.3)
Growing Degree Days	1.2 (Base 10)

Total Years on Record: 18

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