condition mean min max 0 h after light 30.2012 27.4749 32.9275 2 h after light 5.4463550000000005 5.40492 5.48779 4 h after light 7.532795 7.03895 8.02664 8 h after light 7.633155 7.4116 7.85471 12 h after light 7.62654 6.9764 8.27668 2 h after dark 12.71265 10.5356 14.8897 4 h after dark 20.988100000000003 20.4005 21.5757 8 h after dark 32.88735 31.6893 34.0854 12 h after dark 29.4618 28.4371 30.4865