condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.10212166666666667 0.0 0.306365 3 h after dark 0.0 0.0 0.0 6 h after dark 0.110419 0.0 0.331257 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0