def METHOD_NAME(self):
    """
    Retrieves the low critical threshold temperature of thermal
    Returns:
        A float number, the low critical threshold temperature of thermal in Celsius
        up to nearest thousandth of one degree Celsius, e.g. 30.125
    """
    self.temp_dict_update()
    value = self.temp_dict["Min"]
    if value is None:
        value = 0
    return round(float(value), 1)