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United States of America

MERCER ISLAND, WASHINGTON


Home > North America > United States > Washington
Elevation: 69 meters     Latitude: 47 32N     Longitude: 122 18W

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DAILY WEATHER AVERAGE - 26 MAY
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[ °F ]   °C
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 15.2 °C 19.8 °C 10.8 °C 31.1 °C (2005) 7.8 °C (2011)
Dewpoint 8.9 °C 10.7 °C 6.5 °C 14 °C (2004) 0.6 °C (2005)
Humidity 69.5 % 88 % 49.4 % 15 % (2005)
Barometer 1014.9 hPa 1017.3 hPa 1012.9 hPa 1027.4 hPa (1999) 1007.8 hPa (2004)
Wind Speed 8.9 km/h 19 km/h 38.9 km/h (1996)
Wind Gust 32.8 km/h 38.9 km/h (2009)
Precipitation 7.87 mm 20.32 mm (2004)
Weather ElementAverage
Visibility17.7 km
Wind DirectionSSE (142.8 °)
Weather ElementTotal
Heating Degree Days3.7 (Base 18.3)
Cooling Degree Days2.8 (Base 18.3)
Growing Degree Days5.3 (Base 10)
Total Years on Record: 21
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