def METHOD_NAME() -> Cube:
    """Set up a r, y, x cube of temperature data"""
    data = np.full((2, 2, 2), fill_value=300, dtype=np.float32)
    temperature_cube = set_up_variable_cube(
        data, name="air_temperature", units="K", attributes=LOCAL_MANDATORY_ATTRIBUTES,
    )
    return temperature_cube