condition mean min max 3 h after light 41.9788 36.887 50.1253 6 h after light 35.52386666666666 28.804 44.1651 9 h after light 27.8178 25.4064 31.906 12 h after light 22.782625 15.7988 26.5772 3 h after dark 24.188399999999998 21.5189 26.9377 6 h after dark 13.959266666666666 11.5214 15.6658 9 h after dark 11.723833333333333 10.1582 12.5625 12 h after dark 11.52765 11.0346 12.0207