condition mean min max 0 h after light 8.45494 6.66028 10.2496 4 h after light 15.2685 15.2421 15.2949 8 h after light 22.123350000000002 14.0994 30.1473 4 h after dark 26.582349999999998 24.758 28.4067 8 h after dark 29.3202 28.1013 30.5391 12 h after dark 17.03425 11.0658 23.0027