condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.297954 0.0 0.893862 9 h after light 0.0 0.0 0.0 12 h after light 0.22604333333333335 0.0 0.67813 3 h after dark 0.0 0.0 0.0 6 h after dark 0.328953 0.0 0.986859 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0