netcdf files/d277000/climatology/lsmask.nc {
  dimensions:
    lon = 360;
    lat = 180;
    time = UNLIMITED;   // (1 currently)
  variables:
    float lat(lat=180);
      :units = "degrees_north";
      :long_name = "Latitude";
      :actual_range = 89.5f, -89.5f; // float
      :standard_name = "latitude";
      :axis = "Y";
      :coordinate_defines = "center";

    float lon(lon=360);
      :units = "degrees_east";
      :long_name = "Longitude";
      :actual_range = 0.5f, 359.5f; // float
      :standard_name = "longitude";
      :axis = "X";
      :coordinate_defines = "center";

    double time(time=1);
      :units = "days since 1800-1-1 00:00:0.0";
      :long_name = "Time";
      :actual_range = 66410.0, 66410.0; // double
      :delta_t = "0000-00-00 00:00:00";
      :standard_name = "time";
      :axis = "T";

    short mask(time=1, lat=180, lon=360);
      :long_name = "Land Sea Mask";
      :valid_range = 0S, 1S; // short
      :units = "none";
      :dataset = "NOAA Optimum Interpolation (OI) SST V2";
      :var_desc = "Land-sea mask";
      :level_desc = "Surface";
      :statistic = "Other";
      :add_offset = 0.0f; // float
      :scale_factor = 1.0f; // float
      :missing_value = 32766S; // short

  // global attributes:
  :title = "NOAA Optimum Interpolation (OI) SST V2";
  :Conventions = "CF-1.0";
  :history = "Created 10/2002 by RHS";
  :comments = "Data described in  Reynolds, R.W., N.A. Rayner, T.M.\nSmith, D.C. Stokes, and W. Wang, 2002: An Improved In Situ and Satellite\nSST Analysis for Climate, J. Climate";
  :platform = "Model";
  :source = "NCEP Climate Modeling Branch";
  :institution = "National Centers for Environmental Prediction";
  :References = "https://www.esrl.noaa.gov/psd/data/gridded/data.noaa.oisst.v2.html";
  :dataset_title = "NOAA Optimum Interpolation (OI) SST V2";
  :source_url = "http://www.emc.ncep.noaa.gov/research/cmb/sst_analysis/";
}