condition mean min max 4 h after light 41.01715 40.1494 41.8849 8 h after light 29.39545 28.2752 30.5157 12 h after light 28.391399999999997 26.8601 29.9227 4 h after dark 36.63023333333333 32.2902 41.6442 8 h after dark 28.239066666666666 26.4214 31.1589 12 h after dark 49.33176666666667 46.0563 53.2127