def _decicelsius_to_kelvins(temperatures_decicelsius):
    """Converts from temperatures from decidegrees Celsius to Kelvins.

    :param temperatures_decicelsius: numpy array of temperatures in decidegrees
        Celsius.
    :return: temperatures_kelvins: numpy array of temperatures in Kelvins, with
        same shape as input.
    """

    return temperatures_decicelsius * 0.1 + 273.15