condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.046332533333333335 0.0 0.0737388 9 h after light 0.1805618 0.0 0.486003 12 h after light 0.0664473 0.0 0.118109 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0