condition	mean	min	max
4 h after light	9.1074075	8.286833	9.927982
8 h after light	8.715815	8.573861	8.857769
12 h after light	8.396867499999999	8.382755	8.41098
4 h after dark	9.330838	8.573861	10.087815
8 h after dark	8.138691	8.071273	8.206109
12 h after dark	8.475418	8.475418	8.475418