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      Elev 495 ft, 39.145 °N 77.061 °W

      Olney, MD

      Hallowell Station75°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp828395
      Low Temp626540
      Day Average Temp71.89--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0--
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point60.5--
      High66--
      Low56--
      Average60.5--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed3--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.65--
      Astronomy Day Length Rise Set
      Actual Time13h 9m6:34 AM7:43 PM
      Civil Twilight6:06 AM8:10 PM
      Nautical Twilight5:33 AM8:43 PM
      Astronomical Twilight4:59 AM9:17 PM
      Moon: Waning gibbous8:21 PM7:59 AM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:56 AM 67 °F - - CALM 0 mph - 29.57 in 0 in Fair
      1:56 AM 66 °F 66 °F 100 % CALM 0 mph - 29.57 in 0 in Fair
      2:56 AM 67 °F 66 °F 97 % CALM 0 mph - 29.58 in 0 in Fair
      3:56 AM 66 °F 64 °F 93 % VAR 3 mph - 29.6 in 0 in Fair
      4:56 AM 64 °F 64 °F 100 % CALM 0 mph - 29.62 in 0 in Fair
      5:56 AM 63 °F 63 °F 100 % CALM 0 mph - 29.64 in 0 in Fair
      6:56 AM 62 °F 62 °F 100 % CALM 0 mph - 29.67 in 0 in Fair
      7:56 AM 64 °F 61 °F 90 % CALM 0 mph - 29.68 in 0 in Mostly Cloudy
      8:56 AM 67 °F 56 °F 68 % VAR 3 mph - 29.68 in 0 in Fair
      9:56 AM 70 °F 56 °F 61 % VAR 3 mph - 29.7 in 0 in Fair
      10:56 AM 74 °F 56 °F 53 % VAR 3 mph - 29.71 in 0 in Mostly Cloudy
      11:56 AM 76 °F 57 °F 52 % CALM 0 mph - 29.71 in 0 in Fair
      12:56 PM 78 °F 56 °F 46 % CALM 0 mph - 29.71 in 0 in Fair
      1:56 PM 80 °F 58 °F 47 % CALM 0 mph - 29.69 in 0 in Fair
      2:56 PM 81 °F 59 °F 47 % CALM 0 mph - 29.68 in 0 in Fair
      3:56 PM 82 °F 60 °F 47 % CALM 0 mph - 29.66 in 0 in Fair
      4:56 PM 82 °F 61 °F 49 % CALM 0 mph - 29.63 in 0 in Fair
      5:56 PM 79 °F 62 °F 56 % CALM 0 mph - 29.63 in 0 in Partly Cloudy
      6:56 PM 78 °F 62 °F 58 % CALM 0 mph - 29.63 in 0 in Fair
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