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      Elev 351 ft, 51.824 °N 0.357 °W

      Harpenden, GB

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp7061-
      Low Temp4447-
      Day Average Temp55.39--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation0.010.1-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point46.28--
      High58--
      Low36--
      Average46.28--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed---
      Visibility---
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.93--
      Astronomy Day Length Rise Set
      Actual Time11h 25m7:07 AM6:32 PM
      Civil Twilight6:33 AM7:05 PM
      Nautical Twilight5:54 AM7:44 PM
      Astronomical Twilight5:14 AM8:24 PM
      Moon: Waning crescent-4:16 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:00 AM 51 °F 51 °F 100 % - - 29.97 in 0 in
      1:00 AM 50 °F 50 °F 99 % - - 29.96 in 0 in
      2:00 AM 49 °F 49 °F 100 % - - 29.95 in 0 in
      3:00 AM 47 °F 47 °F 100 % - - 29.95 in 0 in
      4:00 AM 47 °F 47 °F 100 % - - 29.94 in 0 in
      5:00 AM 45 °F 45 °F 100 % - - 29.93 in 0 in
      6:00 AM 44 °F 44 °F 100 % - - 29.93 in 0 in
      7:00 AM 45 °F 45 °F 100 % - - 29.94 in 0 in
      8:00 AM 47 °F 47 °F 100 % - - 29.95 in 0 in
      9:00 AM 51 °F 51 °F 100 % - - 29.95 in 0.01 in
      10:00 AM 54 °F 54 °F 100 % - - 29.95 in 0 in
      11:00 AM 58 °F 58 °F 100 % - - 29.94 in 0 in
      12:00 PM 65 °F 53 °F 66 % - - 29.93 in 0 in
      1:00 PM 67 °F 43 °F 42 % - - 29.93 in 0 in
      2:00 PM 68 °F 36 °F 30 % - - 29.91 in 0 in
      3:00 PM 69 °F 38 °F 32 % - - 29.9 in 0 in
      4:00 PM 70 °F 38 °F 32 % - - 29.88 in 0 in
      5:00 PM 70 °F 37 °F 31 % - - 29.87 in 0 in
      Level Access
      Glossary