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      Elev 495 ft, 39.145 °N 77.061 °W

      Olney, MD

      Hallowell Station

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp848695
      Low Temp686846
      Day Average Temp72.13--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0.09--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point69.63--
      High70--
      Low68--
      Average69.63--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed9--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.39--
      Astronomy Day Length Rise Set
      Actual Time13h 50m6:17 AM8:08 PM
      Civil Twilight5:48 AM8:37 PM
      Nautical Twilight5:13 AM9:12 PM
      Astronomical Twilight4:36 AM9:49 PM
      Moon: Waning crescent4:41 AM7:42 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:56 AM 69 °F - - CALM 0 mph - 29.43 in 0 in Fair
      1:56 AM 68 °F - - CALM 0 mph - 29.43 in 0 in Haze
      2:56 AM 68 °F - - CALM 0 mph - 29.4 in 0 in Fair
      3:56 AM 69 °F - - CALM 0 mph - 29.39 in 0 in Mostly Cloudy
      4:56 AM 69 °F - - CALM 0 mph - 29.4 in 0.01 in Light Rain
      5:56 AM 70 °F 70 °F 100 % W 9 mph - 29.45 in 0.03 in Light Rain
      6:56 AM 68 °F 68 °F 100 % NW 5 mph - 29.39 in 0.05 in Light Rain
      7:38 AM 68 °F - - CALM 0 mph - 29.34 in 0 in Mist
      7:48 AM 68 °F - - NW 5 mph - 29.33 in 0 in Haze
      7:56 AM 69 °F - - VAR 5 mph - 29.33 in 0 in Fair
      8:56 AM 71 °F 70 °F 96 % W 8 mph - 29.37 in 0 in Fair
      9:56 AM 75 °F 70 °F 84 % W 8 mph - 29.38 in 0 in Fair
      10:56 AM 77 °F 69 °F 76 % W 8 mph - 29.4 in 0 in Fair
      11:56 AM 80 °F 70 °F 71 % WNW 7 mph - 29.42 in 0 in Fair
      12:56 PM 81 °F 70 °F 69 % NW 8 mph - 29.39 in 0 in Fair
      1:56 PM 84 °F 70 °F 63 % CALM 0 mph - 29.37 in 0 in Fair
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