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 0.01183815 0.0 0.0710289 14 h after light 0.026382016666666664 0.0 0.0840662 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0