condition mean min max 4 h after light 13.0785 12.1669 13.9901 8 h after light 14.957899999999999 13.2873 16.6285 12 h after light 12.2896 10.0458 14.5334 4 h after dark 23.31223333333333 19.1432 27.3528 8 h after dark 18.47383333333333 10.1271 23.6601 12 h after dark 23.677500000000002 14.0498 33.3834