condition mean min max 4 h after light 238.33249999999998 198.811 277.854 8 h after light 190.058 184.796 195.32 12 h after light 136.7455 133.753 139.738 4 h after dark 221.892 216.844 230.686 8 h after dark 229.114 209.589 241.815 12 h after dark 216.219 210.642 221.985