condition mean min max 2 h after light 5.8677 0.0 13.9129 6 h after light 1.8726666666666667 0.0 11.236 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0