Dataset {
    Float32 Y[Y = 3599];
    Float32 X[X = 3599];
    Grid {
     ARRAY:
        Float32 tmean[Y = 3599][X = 3599];
     MAPS:
        Float32 Y[Y = 3599];
        Float32 X[X = 3599];
    } tmean;
} tmean;