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      Elev 351 ft, 51.824 °N 0.357 °W

      Harpenden, GB

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp6061-
      Low Temp4944-
      Day Average Temp53.33--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation00.07-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point44.71--
      High50--
      Low38--
      Average44.71--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed---
      Visibility---
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.07--
      Astronomy Day Length Rise Set
      Actual Time15h 24m5:16 AM8:40 PM
      Civil Twilight4:35 AM9:21 PM
      Nautical Twilight3:40 AM10:16 PM
      Astronomical Twilight2:24 AM11:34 PM
      Moon: Waning crescent5:06 AM7:18 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:00 AM 55 °F 49 °F 80 % - - 28.95 in -
      1:00 AM 53 °F 50 °F 91 % - - 28.96 in -
      2:00 AM 51 °F 48 °F 90 % - - 28.96 in -
      3:00 AM 50 °F 47 °F 90 % - - 28.96 in -
      4:00 AM 49 °F 47 °F 92 % - - 28.96 in -
      5:00 AM 49 °F 47 °F 90 % - - 28.97 in -
      6:00 AM 49 °F 47 °F 92 % - - 28.98 in -
      7:00 AM 50 °F 48 °F 92 % - - 28.99 in -
      8:00 AM 51 °F 48 °F 89 % - - 29 in -
      9:00 AM 52 °F 48 °F 86 % - - 29.01 in -
      10:00 AM 53 °F 46 °F 77 % - - 29.02 in -
      11:00 AM 53 °F 47 °F 82 % - - 29.04 in -
      12:00 PM 57 °F 46 °F 66 % - - 29.05 in -
      1:00 PM 57 °F 44 °F 61 % - - 29.08 in -
      2:00 PM 56 °F 47 °F 71 % - - 29.1 in -
      3:00 PM 57 °F 44 °F 62 % - - 29.11 in -
      4:00 PM 60 °F 43 °F 54 % - - 29.12 in -
      5:00 PM 58 °F 41 °F 54 % - - 29.14 in -
      6:00 PM 58 °F 40 °F 51 % - - 29.15 in -
      7:00 PM 56 °F 38 °F 50 % - - 29.16 in -
      8:00 PM 55 °F 39 °F 56 % - - 29.19 in -
      9:00 PM 52 °F 40 °F 65 % - - 29.21 in -
      10:00 PM 50 °F 39 °F 66 % - - 29.23 in -
      11:00 PM 49 °F 40 °F 70 % - - 29.26 in -
      Level Access
      Glossary