condition	mean	min	max
4 h after light	8.727715	7.90304	9.55239
8 h after light	9.824285	9.19717	10.4514
12 h after light	10.193249999999999	10.002	10.3845
4 h after dark	9.22982	9.00793	9.45171
8 h after dark	5.29768	5.2526	5.34276
12 h after dark	5.223599999999999	4.73408	5.71312