condition mean min max 0 h after light 4.41834 4.4144 4.42228 4 h after light 5.16025 5.09767 5.22283 8 h after light 6.404805 6.1712 6.63841 4 h after dark 6.775040000000001 5.91959 7.63049 8 h after dark 4.33746 4.17373 4.50119 12 h after dark 3.7765050000000002 3.58556 3.96745