condition mean min max 4 h after light 2.306495 2.22408 2.38891 8 h after light 3.8993700000000002 3.80828 3.99046 12 h after light 5.6789950000000005 4.5291 6.82889 4 h after dark 6.17071 5.07176 7.26966 8 h after dark 4.046845 4.03929 4.0544 12 h after dark 3.8603899999999998 3.80049 3.92029