condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.16965833333333333 0.0 1.01795 10 h after light 0.10675316666666666 0.0 0.640519 14 h after light 0.0905035 0.0 0.543021 18 h after light 0.0 0.0 0.0 2 h after dark 0.4425915 0.0 1.98255