Dataset {
    Float32 T[T = 12];
    Float32 Y[Y = 684];
    Float32 X[X = 620];
    Grid {
     ARRAY:
        Float32 tmean[T = 12][Y = 684][X = 620];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 684];
        Float32 X[X = 620];
    } tmean;
} tmean;