condition mean min max 3 h after light 9.655735 5.77794 13.8674 7 h after light 8.594688333333334 6.24669 11.8843 11 h after light 9.2364875 5.32179 13.6049 2 h after dark 9.996229166666666 5.08732 14.341 6 h after dark 8.584094166666667 5.04525 12.8416 10 h after dark 8.591895833333334 5.15709 15.7319