condition mean min max 4 h after light 360.8 360.8 360.8 8 h after light 344.9 320.1 369.7 12 h after light 275.1 264.6 285.6 4 h after dark 333.25 176.8 489.7 8 h after dark 440.70000000000005 188.8 692.6 12 h after dark 216.0 185.7 246.3