condition mean min max 4 h after light 3.673975 3.11358 4.23437 8 h after light 5.002195 4.89685 5.10754 12 h after light 3.802205 3.72609 3.87832 4 h after dark 6.30621 5.80105 6.81137 8 h after dark 5.8930050000000005 5.58639 6.19962 12 h after dark 4.54049 4.50144 4.57954