condition mean min max 0 h after light 11.4625 10.1548 12.7702 4 h after light 11.96655 11.1518 12.7813 8 h after light 11.939499999999999 10.4836 13.3954 4 h after dark 14.42465 13.2977 15.5516 8 h after dark 12.540849999999999 11.4198 13.6619 12 h after dark 11.78615 10.4831 13.0892