condition mean min max 0 h after light 7.816765 6.56407 9.06946 2 h after light 12.87575 12.1858 13.5657 4 h after light 11.723949999999999 10.7914 12.6565 8 h after light 15.8479 14.9457 16.7501 12 h after light 13.031600000000001 11.2687 14.7945 2 h after dark 10.084735 9.31437 10.8551 4 h after dark 7.4569399999999995 7.11466 7.79922 8 h after dark 10.053460000000001 9.64272 10.4642 12 h after dark 6.98109 5.73785 8.22433