condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0103651 0.0 0.0310953 6 h after dark 0.0 0.0 0.0 9 h after dark 0.04180533333333333 0.0 0.125416 12 h after dark 0.0 0.0 0.0