condition mean min max 2 h after light 5.815811666666667 0.0 15.2456 6 h after light 15.73742 2.34797 54.4643 10 h after light 15.75527 6.51021 28.0517 14 h after light 25.239245 2.45263 90.9222 18 h after light 14.857216666666666 2.10844 73.303 2 h after dark 4.310081666666667 0.0 15.5351