condition mean min max 4 h after light 18.5987 10.7279 27.0381 8 h after light 11.06926 2.38048 19.9574 12 h after light 9.86725 6.09407 14.063 4 h after dark 20.749233333333333 14.0826 25.4238 8 h after dark 14.226790000000001 8.21187 18.8362 12 h after dark 16.5046 12.7972 22.9617