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 0.139596 0.0 0.434638 14 h after light 0.07957266666666667 0.0 0.477436 18 h after light 0.2032215 0.0 0.492034 2 h after dark 0.0 0.0 0.0