condition mean min max 3 h after light 0.073266 0.0 0.219798 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0341895 0.0 0.136758 3 h after dark 0.0 0.0 0.0 6 h after dark 0.05770993333333333 0.0 0.107952 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0