condition mean min max 3 h after light 1.055339 0.539747 1.53709 6 h after light 2.2871866666666665 1.4718 2.84741 9 h after light 1.95244 1.68177 2.28082 12 h after light 1.5935074999999999 1.32019 1.8303 3 h after dark 2.16487 1.47367 2.89262 6 h after dark 1.7434516666666666 0.815725 2.81147 9 h after dark 1.243912 0.546766 1.8444 12 h after dark 1.2167599999999998 1.13631 1.29721