condition	mean	min	max
4 h after light	57.3361	53.0297	61.6425
8 h after light	70.93205	70.2533	71.6108
12 h after light	72.8018	67.0469	78.5567
4 h after dark	77.69185	75.4867	79.897
8 h after dark	72.18665	70.828	73.5453
12 h after dark	69.70625	69.5026	69.9099