Dataset {
    Float32 time[time = 201616];
    Float32 lat[lat = 91];
    Float32 lon[lon = 180];
    Grid {
     ARRAY:
        Int16 prmsl[time = 201616][lat = 91][lon = 180];
     MAPS:
        Float32 time[time = 201616];
        Float32 lat[lat = 91];
        Float32 lon[lon = 180];
    } prmsl;
} msl;