condition	mean	min	max
4 h after light	7.822086499999999	6.623397	9.020776
8 h after light	7.6563935	7.345228	7.967559
12 h after light	8.5214785	7.732617	9.31034
4 h after dark	7.3011669999999995	7.218273	7.384061
8 h after dark	7.8577555	7.568191	8.14732
12 h after dark	7.012794	7.012794	7.012794