condition mean min max 4 h after light 8.842765 7.92355 9.76198 8 h after light 9.444745000000001 8.99239 9.8971 12 h after light 12.9457 12.861 13.0304 4 h after dark 13.23005 12.6948 13.7653 8 h after dark 10.417449999999999 10.1185 10.7164 12 h after dark 10.1585 10.0657 10.2513