condition mean min max 2 h after light 0.37144166666666667 0.0 2.22865 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.37768 0.0 2.26608