condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0466145 0.0 0.167698 10 h after light 0.12274964999999999 0.0 0.382165 14 h after light 0.05635356666666667 0.0 0.124831 18 h after light 0.016756 0.0 0.100536 2 h after dark 0.015432366666666667 0.0 0.0925942