condition	mean	min	max
4 h after light	8.069236	7.511709	8.626763
8 h after light	7.4939815	7.281806	7.706157
12 h after light	7.147287	7.062977	7.231597
4 h after dark	7.804055999999999	7.002085	8.606027
8 h after dark	7.9249985	7.767555	8.082442
12 h after dark	8.24861	8.24861	8.24861