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      Elev 10 ft, 41.667 °N 69.967 °W

      Chatham, MA

      Old Mill Boat Yard Station

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp837787
      Low Temp746356
      Day Average Temp77.81--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation04.4-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point73.85--
      High75--
      Low73--
      Average73.85--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed12--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure29.85--
      Astronomy Day Length Rise Set
      Actual Time14h 5m5:42 AM7:47 PM
      Civil Twilight5:11 AM8:18 PM
      Nautical Twilight4:34 AM8:55 PM
      Astronomical Twilight3:53 AM9:36 PM
      Moon: Waning crescent1:30 AM5:53 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 76 °F 74 °F 94 % SW 9 mph - 29.85 in 0 in Partly Cloudy
      1:00 AM 76 °F 74 °F 94 % VAR 6 mph - 29.85 in 0 in Mostly Cloudy
      1:33 AM 75 °F 74 °F 96 % SW 8 mph - 29.84 in 0 in Mostly Cloudy
      1:52 AM 75 °F 74 °F 96 % SW 7 mph - 29.85 in 0 in Cloudy
      2:30 AM 75 °F 74 °F 96 % SW 7 mph - 29.84 in 0 in Partly Cloudy
      2:52 AM 75 °F 74 °F 96 % WSW 5 mph - 29.83 in 0 in Fair
      2:59 AM 75 °F 74 °F 96 % VAR 3 mph - 29.84 in 0 in Fair
      3:52 AM 75 °F 74 °F 96 % VAR 3 mph - 29.83 in 0 in Fair
      4:39 AM 75 °F 73 °F 94 % VAR 3 mph - 29.84 in 0 in Partly Cloudy
      4:52 AM 74 °F 73 °F 97 % SW 5 mph - 29.84 in 0 in Partly Cloudy
      5:52 AM 74 °F 73 °F 97 % CALM 0 mph - 29.84 in 0 in Fair
      6:35 AM 75 °F 74 °F 96 % VAR 3 mph - 29.85 in 0 in Fair
      6:52 AM 75 °F 74 °F 96 % VAR 3 mph - 29.86 in 0 in Fair
      7:52 AM 78 °F 73 °F 84 % VAR 5 mph - 29.87 in 0 in Fair
      8:52 AM 81 °F 74 °F 79 % VAR 5 mph - 29.87 in 0 in Fair
      9:52 AM 81 °F 74 °F 79 % VAR 3 mph - 29.86 in 0 in Fair
      10:52 AM 82 °F 74 °F 76 % SSW 7 mph - 29.86 in 0 in Fair
      11:52 AM 83 °F 73 °F 72 % SW 9 mph 22 mph 29.85 in 0 in Fair
      12:52 PM 83 °F 75 °F 77 % SW 8 mph - 29.86 in 0 in Fair
      1:52 PM 83 °F 75 °F 77 % SSW 9 mph 20 mph 29.85 in 0 in Fair
      2:52 PM 82 °F 74 °F 76 % VAR 7 mph 21 mph 29.84 in 0 in Fair
      3:52 PM 81 °F 74 °F 79 % SW 9 mph 21 mph 29.84 in 0 in Fair
      4:52 PM 80 °F 74 °F 81 % SW 12 mph 21 mph 29.83 in 0 in Fair
      5:52 PM 79 °F 74 °F 84 % SW 10 mph 20 mph 29.84 in 0 in Fair
      6:52 PM 79 °F 74 °F 84 % VAR 5 mph - 29.85 in 0 in Fair
      7:52 PM 78 °F 73 °F 84 % VAR 5 mph - 29.85 in 0 in Fair
      8:52 PM 76 °F 74 °F 94 % SW 5 mph - 29.86 in 0 in Fair
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