condition mean min max 0 h after light 46.04865 45.7167 46.3806 4 h after light 163.183 120.201 206.165 8 h after light 27.44785 23.1848 31.7109 4 h after dark 15.003 11.7133 18.2927 8 h after dark 48.9549 46.0054 51.9044 12 h after dark 69.2537 58.9732 79.5342