condition mean min max 0 h after light 10.38685 10.3381 10.4356 4 h after light 12.895399999999999 11.3179 14.4729 8 h after light 13.8518 13.4218 14.2818 4 h after dark 23.591749999999998 23.1744 24.0091 8 h after dark 16.0786 14.9133 17.2439 12 h after dark 14.08525 14.0113 14.1592