condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.03858983333333333 0.0 0.231539 14 h after light 0.04572466666666666 0.0 0.274348 18 h after light 0.0416195 0.0 0.249717 2 h after dark 0.0 0.0 0.0