def checkdeplaid(incidence):
    """
    Given an incidence angle, select the appropriate deplaid method.

    Parameters
    ----------
    incidence : float
                incidence angle extracted from the campt results.

    """
    if incidence >= 95 and incidence <= 180:
        return 'night'
    elif incidence >=90 and incidence < 95:
        return 'night'
    elif incidence >= 85 and incidence < 90:
        return 'day'
    elif incidence >= 0 and incidence < 85:
        return 'day'
    else:
        return False