condition mean min max 3 h after light 9.8598 2.5498 17.014 6 h after light 5.798373333333333 2.53801 8.11493 9 h after light 9.372136666666666 1.79579 21.1565 12 h after light 7.13819 3.36545 12.6397 3 h after dark 4.959126666666666 4.15147 6.1879 6 h after dark 3.2804399999999996 0.0 8.19714 9 h after dark 3.12711 2.42451 3.75703 12 h after dark 8.56386 4.08542 13.0423