Dataset {
    Int32 IWMO[IWMO = 7475];
    Float32 T[T = 3588];
    Grid {
     ARRAY:
        Int16 prcp[IWMO = 7475][T = 3588];
     MAPS:
        Int32 IWMO[IWMO = 7475];
        Float32 T[T = 3588];
    } prcp;
} mean;