condition mean min max 0 h after light 10.918105 8.73431 13.1019 2 h after light 9.11903 8.63794 9.60012 4 h after light 6.510355000000001 6.06561 6.9551 8 h after light 5.834265 5.41496 6.25357 12 h after light 10.14504 9.17108 11.119 2 h after dark 5.583410000000001 4.43968 6.72714 4 h after dark 6.594095 5.50004 7.68815 8 h after dark 8.103855 6.84558 9.36213 12 h after dark 8.923635 8.03742 9.80985