condition mean min max 0 h after light 10.51681 9.78212 11.2515 4 h after light 14.31865 13.4647 15.1726 8 h after light 23.99805 21.6883 26.3078 4 h after dark 25.22945 24.0732 26.3857 8 h after dark 18.333550000000002 18.2846 18.3825 12 h after dark 11.64935 10.1973 13.1014