condition mean min max 4 h after light 156.3 156.3 156.3 8 h after light 220.10000000000002 211.3 228.9 12 h after light 210.35 151.3 269.4 4 h after dark 246.5 208.0 285.0 8 h after dark 318.85 280.2 357.5 12 h after dark 334.45 285.5 383.4