MERCER ISLAND, WASHINGTON

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Elevation: 69 meters Latitude: 47 32N Longitude: 122 18W

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DAILY WEATHER AVERAGE - 11 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7 ^°C	10.9 ^°C	3.6 ^°C	16.7 ^°C (2004)	-1.7 ^°C (2009)
Dewpoint	2.7 ^°C	4.8 ^°C	0.2 ^°C	11.1 ^°C (2016)	-8.9 ^°C (2006)
Humidity	76.3 ^%	90.8 ^%	56.3 ^%		25 ^% (2006)
Barometer	1019.6 ^hPa	1022.7 ^hPa	1015.9 ^hPa	1041 ^hPa (2002)	1002 ^hPa (2007)
Wind Speed	8.2 ^km/h	19 ^km/h		40.7 ^km/h (1997)
Wind Gust		35.1 ^km/h		57.5 ^km/h (1997)
Precipitation	6.86 ^mm			19.05 ^mm (2014)

Weather Element	Average
Visibility	16.3 ^km
Wind Direction	ESE (116 °)

Weather Element	Total
Heating Degree Days	11.1 (Base 18.3)
Growing Degree Days	0.6 (Base 10)

Total Years on Record: 22

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