Dataset {
    Float32 X[X = 8640];
    Float32 Y[Y = 4320];
    Float32 T[T = 276];
    Grid {
     ARRAY:
        Float32 l3m_data[T = 276][Y = 4320][X = 8640];
     MAPS:
        Float32 T[T = 276];
        Float32 Y[Y = 4320];
        Float32 X[X = 8640];
    } l3m_data;
} monthly;