SAINT JOHN HARBOR, ALASKA

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Elevation: 10 meters Latitude: 56 28N Longitude: 133 06W

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DAILY WEATHER AVERAGE - 25 SEPTEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	9.4 ^°C	12.4 ^°C	6.8 ^°C	16 ^°C (2000)	1 ^°C (2008)
Dewpoint	7.3 ^°C	9.1 ^°C	5.2 ^°C	12 ^°C (2006)	-1 ^°C (2011)
Humidity	86.7 ^%	96.2 ^%	73.4 ^%		47 ^% (2011)
Barometer	1011.9 ^hPa	1015.9 ^hPa	1008.5 ^hPa	1027.8 ^hPa (2002)	986.8 ^hPa (2010)
Wind Speed	5.3 ^km/h	15.3 ^km/h		31.5 ^km/h (2010)
Wind Gust		42.6 ^km/h		59.2 ^km/h (2009)
Precipitation	22.35 ^mm			91.69 ^mm (1996)

Weather Element	Average
Visibility	13.7 ^km
Wind Direction	ENE (77.1 °)

Weather Element	Total
Heating Degree Days	8.7 (Base 18.3)
Growing Degree Days	1.4 (Base 10)

Total Years on Record: 20

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