condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.2046885 0.0 0.493624 10 h after light 0.11427333333333332 0.0 0.43366 14 h after light 0.04956733333333333 0.0 0.297404 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0