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      Elev 124 ft, 38.900 °N 77.274 °W

      Vienna, VA

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp416585
      Low Temp374423
      Day Average Temp39.2--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation04-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point37.4--
      High38--
      Low36--
      Average37.4--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed0--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure30.13--
      Astronomy Day Length Rise Set
      Actual Time10h 50m7:27 AM6:18 PM
      Civil Twilight7:00 AM6:45 PM
      Nautical Twilight6:29 AM7:16 PM
      Astronomical Twilight5:58 AM7:47 PM
      Moon: Waxing gibbous5:14 PM5:40 AM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 41 °F 38 °F 89 % CALM 0 mph - 30.12 in 0 in Fair
      1:52 AM 40 °F 38 °F 93 % CALM 0 mph - 30.13 in 0 in Fair
      2:52 AM 40 °F 38 °F 93 % CALM 0 mph - 30.13 in 0 in Fair
      3:52 AM 38 °F 37 °F 97 % CALM 0 mph - 30.13 in 0 in Fair
      4:52 AM 37 °F 36 °F 96 % CALM 0 mph - 30.14 in 0 in Fair
      Level Access
      Glossary