condition	mean	min	max
4 h after light	13.9848	13.394	14.5756
8 h after light	8.63406	6.62242	10.6457
12 h after light	12.601849999999999	12.5754	12.6283
4 h after dark	15.65145	13.4183	17.8846
8 h after dark	15.47545	15.4664	15.4845
12 h after dark	15.055800000000001	13.6029	16.5087