Dataset {
    Float32 T[T = 36];
    Float32 X[X = 592];
    Grid {
     ARRAY:
        Float32 rfe_stddev[T = 36][X = 592];
     MAPS:
        Float32 T[T = 36];
        Float32 X[X = 592];
    } rfe_stddev;
} rfe_stddev;