condition mean min max 2 h after light 0.025454166666666667 0.0 0.152725 6 h after light 0.06385466666666667 0.0 0.383128 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 0.0 0.0 0.0