condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.12555233333333335 0.0 0.376657 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.500703 0.0 1.07281 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