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      Elev 18 ft, 41.689 °N 69.964 °W

      Chatham, MA

      Summary

      Temperature (°F) Actual Historic Avg. Record
      High Temp586382
      Low Temp495137
      Day Average Temp54.08--
      Precipitation (in) Actual Historic Avg. Record
      Precipitation03.3-
      Dew Point (°F) Actual Historic Avg. Record
      Dew Point42--
      High45--
      Low39--
      Average42--
      Wind (mph) Actual Historic Avg. Record
      Max Wind Speed9--
      Visibility10--
      Sea Level Pressure (in) Actual Historic Avg. Record
      Sea Level Pressure30.27--
      Astronomy Day Length Rise Set
      Actual Time11h 19m6:46 AM6:06 PM
      Civil Twilight6:18 AM6:34 PM
      Nautical Twilight5:46 AM7:06 PM
      Astronomical Twilight5:14 AM7:38 PM
      Moon: New6:45 AM5:48 PM

      Daily Observations

      TimeTemperatureDew PointHumidityWindWind SpeedWind GustPressurePrecip.Condition
      12:52 AM 54 °F 39 °F 57 % VAR 3 mph - 30.15 in 0 in Fair
      1:52 AM 54 °F 40 °F 59 % W 3 mph - 30.17 in 0 in Fair
      2:52 AM 49 °F 41 °F 74 % WNW 5 mph - 30.18 in 0 in Fair
      3:52 AM 49 °F 42 °F 77 % W 3 mph - 30.2 in 0 in Fair
      4:52 AM 54 °F 44 °F 69 % WNW 3 mph - 30.23 in 0 in Fair
      5:52 AM 51 °F 45 °F 80 % CALM 0 mph - 30.25 in 0 in Fair
      6:52 AM 52 °F 45 °F 77 % VAR 3 mph - 30.29 in 0 in Fair
      7:52 AM 55 °F 43 °F 64 % VAR 5 mph - 30.31 in 0 in Fair
      8:52 AM 57 °F 43 °F 59 % N 7 mph - 30.34 in 0 in Fair
      9:52 AM 58 °F 42 °F 56 % NW 6 mph - 30.36 in 0 in Fair
      10:52 AM 58 °F 41 °F 53 % NNW 9 mph 20 mph 30.38 in 0 in Fair
      11:52 AM 58 °F 39 °F 49 % VAR 5 mph 18 mph 30.38 in 0 in Fair
      Level Access
      Glossary