condition mean min max 0 h after light 1.9583879999999998 0.977886 2.93889 4 h after light 0.980268 0.964142 0.996394 8 h after light 0.0 0.0 0.0 4 h after dark 1.92841 0.0 3.85682 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0