Dataset {
    Float32 X[X = 360];
    Float32 Y[Y = 180];
    Float32 T[T = 257];
    Grid {
     ARRAY:
        Float32 ssta[T = 257][Y = 180][X = 360];
     MAPS:
        Float32 T[T = 257];
        Float32 Y[Y = 180];
        Float32 X[X = 360];
    } ssta;
} monthly;