condition	mean	min	max
4 h after light	8.907356	6.74676	11.067952
8 h after light	7.728313	7.408931	8.047695
12 h after light	8.1988555	7.720659	8.677052
4 h after dark	7.781046	7.174766	8.387326
8 h after dark	7.986423	7.986423	7.986423
12 h after dark	7.138566	7.138566	7.138566