condition mean min max 4 h after light 9.736895 9.42859 10.0452 8 h after light 7.987645 7.61619 8.3591 12 h after light 7.883295 7.43865 8.32794 4 h after dark 10.281130000000001 9.40896 11.1533 8 h after dark 9.765419999999999 9.35464 10.1762 12 h after dark 10.4433 10.426 10.4606