PORT HEIDEN, ALASKA

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

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DAILY WEATHER AVERAGE - 19 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.4 ^°C	11.6 ^°C	4.2 ^°C	18 ^°C (2004)	(2015)
Dewpoint	1.6 ^°C	6.2 ^°C	2.5 ^°C	13 ^°C (2004)	-7 ^°C (1997)
Humidity	68.9 ^%	85.8 ^%	54.7 ^%		4 ^% (1997)
Barometer	1004.7 ^hPa	1010.2 ^hPa	1000 ^hPa	1025.1 ^hPa (2002)	971.9 ^hPa (1995)
Wind Speed	23 ^km/h	38.9 ^km/h		68.6 ^km/h (2004)
Wind Gust		53.1 ^km/h		92.5 ^km/h (2004)
Precipitation	10.67 ^mm			34.8 ^mm (2006)

Weather Element	Average
Visibility	18 ^km
Wind Direction	SSW (202.7 °)

Weather Element	Total
Heating Degree Days	10.4 (Base 18.3)
Growing Degree Days	1.3 (Base 10)

Total Years on Record: 18

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