condition mean min max 0 h after light 13.7742 11.4956 16.0528 4 h after light 9.76614 9.22858 10.3037 8 h after light 11.70485 11.3473 12.0624 4 h after dark 14.739149999999999 14.0826 15.3957 8 h after dark 16.87615 15.5689 18.1834 12 h after dark 11.374095 9.52859 13.2196