condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03051166666666667 0.0 0.091535 4 h after dark 0.0 0.0 0.0 8 h after dark 0.027438933333333332 0.0 0.0823168 12 h after dark 0.0 0.0 0.0