netcdf files/d090000/2D/2020/RHslr.1.2010 {
  dimensions:
    lon = 144;
    lat = 73;
    time = 124;
    layer_between_two_sigmas_layer = 1;
  variables:
    int LatLon_Projection;
      :grid_mapping_name = "latitude_longitude";
      :earth_radius = 6367470.0; // double

    float lat(lat=73);
      :units = "degrees_north";

    float lon(lon=144);
      :units = "degrees_east";

    double time(time=124);
      :units = "Hour since 2020-10-01T00:00:00Z";
      :standard_name = "time";
      :long_name = "GRIB forecast or observation time";
      :calendar = "proleptic_gregorian";

    double reftime(time=124);
      :standard_name = "forecast_reference_time";
      :long_name = "GRIB reference time";
      :calendar = "proleptic_gregorian";
      :units = "Hour since 2020-10-01T00:00:00Z";

    float layer_between_two_sigmas_layer(layer_between_two_sigmas_layer=1);
      :units = "sigma";
      :long_name = "Layer between 2 sigma levels";
      :positive = "down";
      :Grib_level_type = 108; // int
      :bounds = "layer_between_two_sigmas_layer_bounds";

    float layer_between_two_sigmas_layer_bounds(layer_between_two_sigmas_layer=1, 2);
      :units = "sigma";
      :long_name = "bounds for layer_between_two_sigmas_layer";

    float Relative_humidity_layer_between_two_sigmas_layer(time=124, layer_between_two_sigmas_layer=1, lat=73, lon=144);
      :long_name = "Relative humidity @ Layer between 2 sigma levels layer";
      :units = "%";
      :description = "Relative humidity";
      :missing_value = NaNf; // float
      :grid_mapping = "LatLon_Projection";
      :coordinates = "reftime time layer_between_two_sigmas_layer lat lon ";
      :Grib_Variable_Id = "VAR_7-1-2-52_L108_layer";
      :Grib1_Center = 7; // int
      :Grib1_Subcenter = 1; // int
      :Grib1_TableVersion = 2; // int
      :Grib1_Parameter = 52; // int
      :Grib1_Parameter_Name = "RH";
      :Grib1_Level_Type = 108; // int
      :Grib1_Level_Desc = "Layer between 2 sigma levels";
      :Grib1_Interval_Type = -1; // int
      :Grib1_Interval_Name = "Unknown Time Range Indicator -1";

  // global attributes:
  :Originating_or_generating_Center = "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
  :Originating_or_generating_Subcenter = "NCEP Reanalysis Project";
  :GRIB_table_version = "0,2";
  :Generating_process_or_model = "Quantitative Precipitation Forecast generated by NCEP";
  :file_format = "GRIB-1";
  :Conventions = "CF-1.6";
  :history = "Read using CDM IOSP GribCollection v3";
  :featureType = "GRID";
}