condition mean min max 0 h after light 14.5576 14.5063 14.6089 2 h after light 9.529215 7.50043 11.558 4 h after light 9.3584 8.2565 10.4603 8 h after light 10.366335 8.21547 12.5172 12 h after light 8.89848 6.57976 11.2172 2 h after dark 14.2554 13.0946 15.4162 4 h after dark 11.73246 8.99512 14.4698 8 h after dark 18.2908 15.2636 21.318 12 h after dark 20.7894 19.4808 22.098