condition mean min max 2 h after light 0.013276983333333332 0.0 0.0796619 6 h after light 0.016614649999999998 0.0 0.0996879 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.018229166666666668 0.0 0.109375 2 h after dark 0.0 0.0 0.0