condition mean min max 4 h after light 4.5496300000000005 1.23045 8.16956 8 h after light 2.9262916666666667 0.783085 5.15194 12 h after light 2.710173333333333 1.18118 4.17554 4 h after dark 3.918346666666667 2.56842 5.58201 8 h after dark 3.8909499999999997 2.83369 4.57485 12 h after dark 8.49818 6.69081 10.996