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United States of America

SEA-TAC, WASHINGTON


Home > North America > United States > Washington
Elevation: 450 feet     Latitude: 47 27N     Longitude: 122 18W

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DAILY WEATHER AVERAGE - DECEMBER 16
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 42.6 °F 46.8 °F 38 °F 53.6 °F (1997) 19.9 °F (2008)
Dewpoint 36.9 °F 40.9 °F 31.6 °F 50 °F (1999) 9 °F (2014)
Humidity 81.5 % 92.7 % 66.8 % 41 % (2006)
Barometer 30.05 in 30.18 in 29.92 in 30.66 in (1996) 28.95 in (2002)
Wind Speed 8.8 mph 16 mph 26.5 mph (2001)
Wind Gust 29.5 mph 43.7 mph (2000)
Precipitation 0.70 in 1.83 in (1997)
Weather ElementAverage
Visibility8.9 mi
Wind DirectionSE (137.5 °)
Weather ElementTotal
Heating Degree Days22.6 (Base 18.3)
Total Years on Record: 21
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