condition mean min max 4 h after light 1.1001895 0.548009 1.65237 8 h after light 2.2362 2.09804 2.37436 12 h after light 2.385057 0.745464 4.02465 4 h after dark 0.7133827533333332 6.69e-05 2.13907 8 h after dark 2.5598816666666666 0.894075 5.50391 12 h after dark 2.5329845336666668 0.000143601 5.72025