PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 25 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	6.4 ^°C	9.7 ^°C	2.7 ^°C	15 ^°C (2014)	(2015)
Dewpoint	0.9 ^°C	4.7 ^°C	0.5 ^°C	9 ^°C (2000)	-7 ^°C (1997)
Humidity	71.1 ^%	86.9 ^%	56.1 ^%		4 ^% (1997)
Barometer	1005.1 ^hPa	1009.8 ^hPa	1000 ^hPa	1029.8 ^hPa (1999)	984.4 ^hPa (2010)
Wind Speed	22.5 ^km/h	36.9 ^km/h		72.3 ^km/h (2002)
Wind Gust		48.4 ^km/h		83.4 ^km/h (2002)
Precipitation	5.84 ^mm			18.03 ^mm (2007)

Weather Element	Average
Visibility	15.3 ^km
Wind Direction	S (185.5 °)

Weather Element	Total
Heating Degree Days	12.1 (Base 18.3)

Total Years on Record: 19

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