condition mean min max 2 h after light 0.0587585 0.0 0.352551 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.11023966666666667 0.0 0.38573 2 h after dark 0.05239 0.0 0.31434