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      Elev 341 ft, 47.462 °N 122.291 °W

      SeaTac, WA

      Riverton Heights Station

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp647892
      Low Temp555844
      Day Average Temp57.56--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation04.3-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point55.13--
      High56--
      Low55--
      Average55.13--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed8--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.46--
      Astronomy Day Length Rise Set
      Actual Time14h 21m6:02 AM8:24 PM
      Civil Twilight5:28 AM8:58 PM
      Nautical Twilight4:46 AM9:40 PM
      Astronomical Twilight3:57 AM10:28 PM
      Moon: Waxing crescent7:12 AM8:53 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:53 AM 64 °F 55 °F 72 % CALM 0 mph - 29.44 in 0 in Partly Cloudy
      1:53 AM 62 °F 55 °F 78 % CALM 0 mph - 29.44 in 0 in Partly Cloudy
      2:53 AM 59 °F 56 °F 90 % S 6 mph - 29.43 in 0 in Partly Cloudy
      3:53 AM 58 °F 56 °F 93 % SSW 6 mph - 29.44 in 0 in Partly Cloudy
      4:53 AM 57 °F 55 °F 93 % S 5 mph - 29.45 in 0 in Partly Cloudy
      5:53 AM 57 °F 55 °F 93 % SSW 6 mph - 29.45 in 0 in Partly Cloudy
      6:47 AM 55 °F 55 °F 100 % S 6 mph - 29.46 in 0 in Mostly Cloudy
      6:53 AM 56 °F 55 °F 97 % S 7 mph - 29.46 in 0 in Mostly Cloudy
      7:05 AM 56 °F 55 °F 97 % S 6 mph - 29.46 in 0 in Mist
      7:11 AM 56 °F 55 °F 97 % S 7 mph - 29.47 in 0 in Fog
      7:23 AM 56 °F 55 °F 97 % S 5 mph - 29.47 in 0 in Fog
      7:37 AM 56 °F 55 °F 97 % S 7 mph - 29.47 in 0 in Fog
      7:53 AM 56 °F 55 °F 97 % S 7 mph - 29.47 in 0 in Fog
      8:53 AM 57 °F 55 °F 93 % SSW 8 mph - 29.47 in 0 in Fog
      9:53 AM 58 °F 55 °F 90 % S 5 mph - 29.47 in 0 in Fog
      10:11 AM 58 °F 55 °F 90 % SSW 3 mph - 29.47 in 0 in Mist
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