condition mean min max 0 h after light 3.629645 3.08337 4.17592 2 h after light 7.333945 7.07445 7.59344 4 h after light 8.256255 7.21478 9.29773 8 h after light 5.38204 5.13596 5.62812 12 h after light 9.7453 8.5911 10.8995 2 h after dark 8.624855 8.23859 9.01112 4 h after dark 6.71734 6.64728 6.7874 8 h after dark 5.434060000000001 5.25805 5.61007 12 h after dark 4.47397 4.35305 4.59489