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      Elev 351 ft, 51.824 °N 0.357 °W

      Harpenden, GB

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp6059-
      Low Temp4446-
      Day Average Temp52.1--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation00.1-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point41.7--
      High44--
      Low39--
      Average41.7--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed---
      Visibility---
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.46--
      Astronomy Day Length Rise Set
      Actual Time10h 57m7:18 AM6:16 PM
      Civil Twilight6:45 AM6:50 PM
      Nautical Twilight6:06 AM7:29 PM
      Astronomical Twilight5:27 AM8:08 PM
      Moon: Waxing crescent8:25 AM6:02 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:00 AM 51 °F 42 °F 72 % - - 29.46 in 0 in
      1:00 AM 50 °F 42 °F 76 % - - 29.45 in 0 in
      2:00 AM 49 °F 43 °F 79 % - - 29.45 in 0 in
      3:00 AM 49 °F 43 °F 82 % - - 29.45 in 0 in
      4:00 AM 49 °F 43 °F 81 % - - 29.44 in 0 in
      5:00 AM 47 °F 43 °F 84 % - - 29.44 in 0 in
      6:00 AM 46 °F 43 °F 87 % - - 29.44 in 0 in
      7:00 AM 45 °F 42 °F 88 % - - 29.44 in 0 in
      8:00 AM 44 °F 42 °F 93 % - - 29.45 in 0 in
      9:00 AM 49 °F 44 °F 85 % - - 29.47 in 0 in
      10:00 AM 53 °F 43 °F 69 % - - 29.47 in 0 in
      11:00 AM 55 °F 42 °F 62 % - - 29.48 in 0 in
      12:00 PM 55 °F 40 °F 58 % - - 29.48 in 0 in
      1:00 PM 58 °F 40 °F 52 % - - 29.48 in 0 in
      2:00 PM 60 °F 39 °F 45 % - - 29.47 in 0 in
      3:00 PM 59 °F 39 °F 48 % - - 29.46 in 0 in
      4:00 PM 59 °F 40 °F 50 % - - 29.47 in 0 in
      5:00 PM 57 °F 40 °F 54 % - - 29.46 in 0 in
      6:00 PM 56 °F 42 °F 59 % - - 29.47 in 0 in
      7:00 PM 51 °F 42 °F 70 % - - 29.48 in 0 in
      Level Access
      Glossary