Dataset {
    Float32 Y[Y = 72];
    Float32 X[X = 144];
    Float32 T[T = 258];
    Grid {
     ARRAY:
        Float32 nsamp[T = 258][Y = 72][X = 144];
     MAPS:
        Float32 T[T = 258];
        Float32 Y[Y = 72];
        Float32 X[X = 144];
    } nsamp;
    Grid {
     ARRAY:
        Float32 prcp[T = 258][Y = 72][X = 144];
     MAPS:
        Float32 T[T = 258];
        Float32 Y[Y = 72];
        Float32 X[X = 144];
    } prcp;
} SSMI_emission;