MERCER ISLAND, WASHINGTON

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

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DAILY WEATHER AVERAGE - 12 FEBRUARY

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	7.5 ^°C	11.2 ^°C	4.1 ^°C	22.2 ^°C (2015)	-2.8 ^°C (2001)
Dewpoint	2.5 ^°C	4.8 ^°C	0.1 ^°C	12.2 ^°C (2016)	-15.6 ^°C (2004)
Humidity	73 ^%	88.3 ^%	55.6 ^%		27 ^% (2004)
Barometer	1017.3 ^hPa	1021.3 ^hPa	1010.8 ^hPa	1037.6 ^hPa (2002)	960 ^hPa (1996)
Wind Speed	10.8 ^km/h	22.7 ^km/h		46.3 ^km/h (1997)
Wind Gust		45.4 ^km/h		59.2 ^km/h (2011)
Precipitation	9.65 ^mm			33.78 ^mm (2016)

Weather Element	Average
Visibility	16.3 ^km
Wind Direction	ESE (128.6 °)

Weather Element	Total
Heating Degree Days	10.7 (Base 18.3)
Growing Degree Days	2.8 (Base 10)

Total Years on Record: 22

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