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      Elev 124 ft, 38.900 °N 77.274 °W

      Vienna, VA

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp605173
      Low Temp253314
      Day Average Temp42.17--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation05.5-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point22.46--
      High28--
      Low12--
      Average22.46--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed14--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.8--
      Astronomy Day Length Rise Set
      Actual Time9h 40m7:07 AM4:47 PM
      Civil Twilight6:38 AM5:17 PM
      Nautical Twilight6:05 AM5:50 PM
      Astronomical Twilight5:33 AM6:22 PM
      Moon: Waning gibbous7:34 PM10:28 AM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 31 °F 13 °F 47 % S 7 mph - 29.76 in 0 in Fair
      1:52 AM 31 °F 12 °F 46 % CALM 0 mph - 29.78 in 0 in Fair
      2:52 AM 28 °F 13 °F 53 % CALM 0 mph - 29.79 in 0 in Fair
      3:52 AM 28 °F 13 °F 53 % CALM 0 mph - 29.8 in 0 in Fair
      4:52 AM 25 °F 14 °F 63 % CALM 0 mph - 29.82 in 0 in Fair
      5:52 AM 25 °F 14 °F 63 % CALM 0 mph - 29.83 in 0 in Partly Cloudy
      6:52 AM 26 °F 17 °F 69 % CALM 0 mph - 29.83 in 0 in Mostly Cloudy
      7:52 AM 28 °F 18 °F 66 % CALM 0 mph - 29.84 in 0 in Mostly Cloudy
      8:52 AM 33 °F 20 °F 59 % CALM 0 mph - 29.84 in 0 in Mostly Cloudy
      9:52 AM 42 °F 21 °F 43 % S 7 mph - 29.85 in 0 in Partly Cloudy
      10:52 AM 50 °F 24 °F 36 % S 8 mph - 29.84 in 0 in Partly Cloudy
      11:52 AM 55 °F 26 °F 33 % S 8 mph - 29.81 in 0 in Mostly Cloudy
      12:52 PM 58 °F 28 °F 32 % S 12 mph 21 mph 29.79 in 0 in Mostly Cloudy
      1:52 PM 60 °F 27 °F 28 % S 14 mph - 29.77 in 0 in Mostly Cloudy
      2:52 PM 59 °F 27 °F 29 % SSE 12 mph - 29.77 in 0 in Partly Cloudy
      3:52 PM 56 °F 28 °F 34 % SSE 7 mph - 29.77 in 0 in Mostly Cloudy
      4:52 PM 51 °F 28 °F 41 % SSE 6 mph - 29.78 in 0 in Partly Cloudy
      5:52 PM 51 °F 28 °F 41 % S 7 mph - 29.78 in 0 in Partly Cloudy
      6:52 PM 48 °F 28 °F 46 % SSE 7 mph - 29.78 in 0 in Partly Cloudy
      7:52 PM 49 °F 28 °F 44 % S 9 mph - 29.78 in 0 in Fair
      8:52 PM 46 °F 28 °F 50 % S 5 mph - 29.79 in 0 in Fair
      9:52 PM 44 °F 28 °F 53 % S 7 mph - 29.79 in 0 in Fair
      10:52 PM 44 °F 28 °F 53 % S 6 mph - 29.8 in 0 in Fair
      11:52 PM 44 °F 28 °F 53 % S 6 mph - 29.79 in 0 in Fair
      Level Access
      Glossary