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      Elev 256 ft, 38.502 °N 122.473 °W

      St. Helena, CA

      St. Helena Station53°

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp5386104
      Low Temp525433
      Day Average Temp52.5--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.2-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point52--
      High53--
      Low51--
      Average52--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed0--
      Visibility7--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.87--
      Astronomy Day Length Rise Set
      Actual Time12h 16m6:55 AM7:11 PM
      Civil Twilight6:28 AM7:37 PM
      Nautical Twilight5:57 AM8:08 PM
      Astronomical Twilight5:25 AM8:40 PM
      Moon: Waxing gibbous3:30 PM-

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:53 AM 53 °F 53 °F 100 % CALM 0 mph - 29.87 in 0 in Fair
      1:53 AM 52 °F 51 °F 97 % CALM 0 mph - 29.87 in 0 in Fair
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