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      Elev 377 ft, 38.867 °N 77.390 °W

      Fairfax, VA

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp737290
      Low Temp575032
      Day Average Temp62.68--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.1-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point52.97--
      High61--
      Low37--
      Average52.97--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed15--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.74--
      Astronomy Day Length Rise Set
      Actual Time11h 36m7:09 AM6:45 PM
      Civil Twilight6:42 AM7:12 PM
      Nautical Twilight6:11 AM7:43 PM
      Astronomical Twilight5:40 AM8:14 PM
      Moon: Waning crescent1:27 AM4:14 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 60 °F 60 °F 100 % CALM 0 mph - 29.74 in 0 in Cloudy
      1:52 AM 59 °F 58 °F 96 % W 3 mph - 29.73 in 0 in Cloudy
      2:52 AM 58 °F 58 °F 100 % CALM 0 mph - 29.73 in 0 in Mist
      3:12 AM 58 °F 57 °F 97 % CALM 0 mph - 29.73 in 0 in Fog
      3:52 AM 58 °F 58 °F 100 % CALM 0 mph - 29.72 in 0 in Fog
      4:52 AM 58 °F 58 °F 100 % CALM 0 mph - 29.71 in 0 in Fog
      5:52 AM 58 °F 58 °F 100 % CALM 0 mph - 29.71 in 0 in Fog
      6:52 AM 57 °F 57 °F 100 % SSW 5 mph - 29.72 in 0 in Fog
      7:52 AM 57 °F 57 °F 100 % SW 5 mph - 29.73 in 0 in Fog
      8:45 AM 58 °F 58 °F 100 % VAR 6 mph - 29.74 in 0 in Fog
      8:52 AM 58 °F 58 °F 100 % S 5 mph - 29.74 in 0 in Fog
      9:04 AM 59 °F 58 °F 96 % SSW 5 mph - 29.74 in 0 in Fog
      9:16 AM 59 °F 59 °F 100 % SSW 5 mph - 29.74 in 0 in Mist
      9:24 AM 59 °F 59 °F 100 % SSW 5 mph - 29.74 in 0 in Mist
      9:31 AM 60 °F 60 °F 100 % SW 5 mph - 29.75 in 0 in Mist
      9:46 AM 61 °F 61 °F 100 % W 5 mph - 29.75 in 0 in Mostly Cloudy
      9:52 AM 61 °F 60 °F 97 % WNW 6 mph - 29.75 in 0 in Mostly Cloudy
      10:52 AM 66 °F 56 °F 70 % WNW 12 mph - 29.75 in 0 in Mostly Cloudy
      11:52 AM 70 °F 53 °F 55 % NW 14 mph 24 mph 29.75 in 0 in Mostly Cloudy
      12:52 PM 71 °F 51 °F 49 % NW 10 mph 20 mph 29.74 in 0 in Partly Cloudy
      1:52 PM 72 °F 52 °F 49 % NNW 9 mph 20 mph 29.71 in 0 in Partly Cloudy
      2:52 PM 72 °F 47 °F 41 % WNW 15 mph 25 mph 29.69 in 0 in Fair
      3:52 PM 73 °F 47 °F 39 % NNW 12 mph - 29.69 in 0 in Partly Cloudy
      4:52 PM 73 °F 45 °F 37 % NNW 9 mph 18 mph 29.69 in 0 in Fair
      5:52 PM 71 °F 43 °F 36 % NW 7 mph - 29.71 in 0 in Fair
      6:52 PM 67 °F 44 °F 44 % NNW 7 mph - 29.73 in 0 in Fair
      7:52 PM 64 °F 44 °F 48 % NW 5 mph - 29.76 in 0 in Fair
      8:52 PM 63 °F 44 °F 50 % NNW 8 mph - 29.77 in 0 in Fair
      9:52 PM 62 °F 43 °F 50 % NNW 7 mph - 29.79 in 0 in Fair
      10:52 PM 61 °F 42 °F 50 % NNW 8 mph - 29.81 in 0 in Fair
      11:52 PM 60 °F 37 °F 42 % NNW 12 mph - 29.82 in 0 in Fair
      Level Access
      Glossary