condition mean min max 4 h after light 2.6551099999999996 2.27146 3.03876 8 h after light 3.080645 2.6364 3.52489 12 h after light 3.04186 2.90818 3.17554 4 h after dark 2.6481500000000002 2.2997 2.94706 8 h after dark 3.2651266666666667 2.56992 4.01842 12 h after dark 2.97888 2.43465 3.33714