Dataset {
  Grid {
    ARRAY:
      Float32 hgt[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } hgt;
  Grid {
    ARRAY:
      Float32 air[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } air;
  Grid {
    ARRAY:
      Float32 uwnd[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } uwnd;
  Grid {
    ARRAY:
      Float32 vwnd[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } vwnd;
  Grid {
    ARRAY:
      Float32 shum[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } shum;
  Grid {
    ARRAY:
      Float32 omega[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } omega;
  Grid {
    ARRAY:
      Float32 vor[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } vor;
  Grid {
    ARRAY:
      Float32 div[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } div;
  Grid {
    ARRAY:
      Float32 rhum[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } rhum;
  Grid {
    ARRAY:
      Float32 ozone[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } ozone;
  Grid {
    ARRAY:
      Float32 pvor[time = 540][lev = 23][lat = 73][lon = 144];
    MAPS:
      Float64 time[time = 540];
      Float64 lev[lev = 23];
      Float64 lat[lat = 73];
      Float64 lon[lon = 144];
  } pvor;
  Float64 time[time = 540];
  Float64 lev[lev = 23];
  Float64 lat[lat = 73];
  Float64 lon[lon = 144];
} public_data/ERA-40/monthly-pressure;