condition mean min max 3 h after light 0.079569 0.0 0.238707 6 h after light 0.16845133333333331 0.0 0.258273 9 h after light 0.21469633333333335 0.0 0.644089 12 h after light 0.0 0.0 0.0 3 h after dark 0.14976799999999998 0.0 0.449304 6 h after dark 0.06989933333333333 0.0 0.209698 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0