condition mean min max 4 h after light 11.05509 10.94702 11.14028 8 h after light 11.084413333333334 10.91637 11.2129 12 h after light 11.18915 11.13989 11.25279 4 h after dark 11.043313333333334 10.87805 11.20999 8 h after dark 10.950423333333333 10.88516 10.98887 12 h after dark 10.932450000000001 10.877310000000001 10.96443