condition mean min max 4 h after light 20.0741 19.639 20.5092 8 h after light 14.5968 13.8387 15.3549 12 h after light 14.39335 13.705 15.0817 4 h after dark 16.213250000000002 14.9042 17.5223 8 h after dark 19.39965 19.1694 19.6299 12 h after dark 21.632350000000002 20.8947 22.37