condition	mean	min	max
0 h after light	8.72703	7.87763	9.57643
4 h after light	7.645225	6.63242	8.65803
8 h after light	9.683029999999999	9.5451	9.82096
4 h after dark	12.9784	12.8657	13.0911
8 h after dark	9.45118	8.70296	10.1994
12 h after dark	9.360904999999999	8.73331	9.9885