condition mean min max 4 h after light 2.2557799999999997 1.47648 3.03508 8 h after light 2.77778 2.55263 3.00293 12 h after light 3.6101099999999997 3.51178 3.70844 4 h after dark 6.110956666666667 5.59746 6.61198 8 h after dark 4.576066666666667 3.63205 6.15783 12 h after dark 2.4097833333333334 2.22194 2.51625