PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 20 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	-1.3 ^°C	1.4 ^°C	-5.7 ^°C	9 ^°C (2013)	(2013)
Dewpoint	-5.6 ^°C	-1.4 ^°C	-8.2 ^°C	4 ^°C (2009)	-15 ^°C (1996)
Humidity	73.5 ^%	91.4 ^%	54.3 ^%		4 ^% (1996)
Barometer	998.3 ^hPa	1003.7 ^hPa	992.6 ^hPa	1044.4 ^hPa (1996)	960.4 ^hPa (2001)
Wind Speed	21.9 ^km/h	40.7 ^km/h		94.5 ^km/h (2009)
Wind Gust		58.7 ^km/h		118.4 ^km/h (2009)
Precipitation	3.05 ^mm			5.08 ^mm (2015)

Weather Element	Average
Visibility	17.1 ^km
Wind Direction	SE (140.6 °)

Weather Element	Total
Heating Degree Days	20.4 (Base 18.3)

Total Years on Record: 18

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