condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0517275 0.0 0.310365 10 h after light 0.05268833333333333 0.0 0.174535 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0