condition mean min max 0 h after light 18.0051 17.9431 18.0671 2 h after light 15.529349999999999 14.9988 16.0599 4 h after light 9.397870000000001 9.22913 9.56661 8 h after light 65.6242 57.421 73.8274 12 h after light 47.4618 43.4253 51.4983 2 h after dark 29.63015 29.2105 30.0498 4 h after dark 28.0731 27.2863 28.8599 8 h after dark 24.68705 23.1853 26.1888 12 h after dark 17.6706 16.3271 19.0141