condition mean min max 2 h after light 0.05408283333333333 0.0 0.324497 6 h after light 0.0 0.0 0.0 10 h after light 0.048012 0.0 0.288072 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