condition mean min max 4 h after light 4.135253333333333 2.85862 5.52367 8 h after light 2.68484 1.12558 3.5307 12 h after light 3.1540500000000002 2.12686 4.68752 4 h after dark 3.0485633333333335 2.0533 3.8226 8 h after dark 2.9518233333333335 2.65498 3.29493 12 h after dark 3.60737 3.27701 3.97995