condition mean min max 4 h after light 63.48865000000001 62.9001 64.0772 8 h after light 53.7881 52.0353 55.5409 12 h after light 62.159 61.1714 63.1466 4 h after dark 66.92936666666667 64.3286 68.2376 8 h after dark 67.55773333333333 64.4653 70.2476 12 h after dark 65.82703333333333 65.1924 66.859