Dataset {
    Float32 X[X = 144];
    Float32 Y[Y = 72];
    Float32 T[T = 97];
    Grid {
     ARRAY:
        Float64 SPI-GPCPv2OPI_12-Month[Y = 72][X = 144][T = 97];
     MAPS:
        Float32 Y[Y = 72];
        Float32 X[X = 144];
        Float32 T[T = 97];
    } SPI-GPCPv2OPI_12-Month;
} SPI;