Dataset {
    Float32 lon[lon = 144];
    Float32 lat[lat = 73];
    Float32 time[time = 3546];
    Grid {
     ARRAY:
        Float32 olr[time = 3546][lat = 73][lon = 144];
     MAPS:
        Float32 time[time = 3546];
        Float32 lat[lat = 73];
        Float32 lon[lon = 144];
    } olr;
    Grid {
     ARRAY:
        Float64 olra[time = 3546][lat = 73][lon = 144];
     MAPS:
        Float32 time[time = 3546];
        Float32 lat[lat = 73];
        Float32 lon[lon = 144];
    } olra;
} pentad_computed;