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      Elev 114 ft, 38.960 °N 77.382 °W

      Reston, VA

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp808697
      Low Temp556544
      Day Average Temp69.92--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation05.2-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point51.83--
      High56--
      Low49--
      Average51.83--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed12--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.85--
      Astronomy Day Length Rise Set
      Actual Time14h 52m5:46 AM8:39 PM
      Civil Twilight5:14 AM9:11 PM
      Nautical Twilight4:33 AM9:51 PM
      Astronomical Twilight3:47 AM10:37 PM
      Moon: New5:02 AM8:45 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 67 °F 55 °F 66 % NW 9 mph - 29.77 in 0 in Fair
      1:52 AM 65 °F 51 °F 61 % NNW 7 mph - 29.77 in 0 in Fair
      2:52 AM 64 °F 50 °F 60 % NNW 6 mph - 29.78 in 0 in Fair
      3:52 AM 61 °F 49 °F 64 % NW 5 mph - 29.79 in 0 in Fair
      4:52 AM 59 °F 50 °F 72 % CALM 0 mph - 29.8 in 0 in Fair
      5:52 AM 55 °F 50 °F 83 % CALM 0 mph - 29.82 in 0 in Fair
      6:52 AM 59 °F 53 °F 81 % CALM 0 mph - 29.85 in 0 in Fair
      7:52 AM 67 °F 53 °F 61 % NW 7 mph - 29.87 in 0 in Fair
      8:52 AM 70 °F 53 °F 55 % WNW 5 mph - 29.88 in 0 in Fair
      9:52 AM 74 °F 49 °F 41 % N 10 mph 16 mph 29.88 in 0 in Fair
      10:52 AM 75 °F 51 °F 43 % NNE 9 mph - 29.88 in 0 in Partly Cloudy
      11:52 AM 77 °F 49 °F 37 % NW 12 mph 18 mph 29.89 in 0 in Partly Cloudy
      12:52 PM 77 °F 49 °F 37 % WNW 7 mph - 29.88 in 0 in Mostly Cloudy
      1:52 PM 78 °F 50 °F 37 % VAR 7 mph - 29.87 in 0 in Mostly Cloudy
      2:52 PM 79 °F 51 °F 38 % VAR 5 mph - 29.86 in 0 in Mostly Cloudy
      3:52 PM 79 °F 52 °F 39 % VAR 5 mph - 29.86 in 0 in Mostly Cloudy
      4:52 PM 80 °F 52 °F 38 % VAR 5 mph - 29.84 in 0 in Mostly Cloudy
      5:52 PM 78 °F 51 °F 39 % VAR 5 mph - 29.84 in 0 in Mostly Cloudy
      6:52 PM 77 °F 51 °F 40 % NW 5 mph - 29.84 in 0 in Mostly Cloudy
      7:52 PM 75 °F 53 °F 46 % NW 5 mph - 29.85 in 0 in Mostly Cloudy
      8:52 PM 70 °F 55 °F 59 % SE 5 mph - 29.86 in 0 in Mostly Cloudy
      9:52 PM 66 °F 56 °F 70 % CALM 0 mph - 29.87 in 0 in Partly Cloudy
      10:52 PM 64 °F 56 °F 75 % SSW 3 mph - 29.88 in 0 in Partly Cloudy
      11:52 PM 62 °F 55 °F 78 % CALM 0 mph - 29.88 in 0 in Fair
      Level Access
      Glossary