condition mean min max 4 h after light 3.98982 3.55608 4.59505 8 h after light 6.7918166666666675 2.95671 9.18016 12 h after light 8.56212 5.71194 10.1865 4 h after dark 7.655496666666667 7.06679 8.15728 8 h after dark 4.08585 3.89914 4.20875 12 h after dark 2.26238 1.96077 2.70506