condition mean min max 0 h after light 8.097825 3.82915 12.3665 2 h after light 7.903454999999999 4.29901 11.5079 4 h after light 3.822075 3.75345 3.8907 8 h after light 5.916735 3.95449 7.87898 12 h after light 1.92291 0.0 3.84582 2 h after dark 2.14304 0.0 4.28608 4 h after dark 1.840155 0.0 3.68031 8 h after dark 6.30686 4.30691 8.30681 12 h after dark 1.965495 0.0 3.93099