Dataset {
  Grid {
    ARRAY:
      Float32 air[time = 30680][lat = 64][lon = 128];
    MAPS:
      Float64 time[time = 30680];
      Float64 lat[lat = 64];
      Float64 lon[lon = 128];
  } air;
  Float64 time[time = 30680];
  Float64 lat[lat = 64];
  Float64 lon[lon = 128];
} gold/t42/air;