netcdf test/H.1.1.nc {
  dimensions:
    obs = 12;
  variables:
    double time(obs=12);
      :standard_name = "time";
      :long_name = "time of measurement";
      :units = "days since 1970-01-01 00:00:00";

    float lon(obs=12);
      :standard_name = "longitude";
      :long_name = "longitude of the observation";
      :units = "degrees_east";

    float lat(obs=12);
      :standard_name = "latitude";
      :long_name = "latitude of the observation";
      :units = "degrees_north";

    float alt(obs=12);
      :long_name = "vertical distance above the surface";
      :standard_name = "height";
      :units = "m";
      :positive = "up";
      :axis = "Z";

    float humidity(obs=12);
      :standard_name = "specific_humidity";
      :coordinates = "time lat lon alt";

    float temp(obs=12);
      :standard_name = "air_temperature";
      :units = "Celsius";
      :coordinates = "time lat lon alt";

  // global attributes:
  :featureType = "point";
  :Conventions = "CF-1.6";
}