condition mean min max 0 h after light 3.23828 2.72566 3.7509 2 h after light 1.73248 1.56681 1.89815 4 h after light 1.78874 1.24154 2.33594 8 h after light 3.62958 3.07356 4.1856 12 h after light 4.080735 3.63268 4.52879 2 h after dark 5.6806350000000005 5.17245 6.18882 4 h after dark 3.51795 3.4504 3.5855 8 h after dark 3.85432 3.08521 4.62343 12 h after dark 3.195115 1.98909 4.40114