condition mean min max 0 h after light 2.06508 1.72269 2.40747 4 h after light 2.153345 2.1026 2.20409 8 h after light 8.218364999999999 6.73931 9.69742 4 h after dark 6.853339999999999 6.78224 6.92444 8 h after dark 3.78399 3.75735 3.81063 12 h after dark 1.61274 1.54558 1.6799