condition	mean	min	max
4 h after light	6.76395	5.82861	7.69929
8 h after light	8.575959999999998	8.4607	8.69122
12 h after light	9.63157	9.10514	10.158
4 h after dark	8.85576	7.82893	9.88259
8 h after dark	7.49707	7.45637	7.53777
12 h after dark	7.2593499999999995	6.63019	7.88851