condition	mean	min	max
4 h after light	15.85594	15.565592	16.146288
8 h after light	17.6524125	15.374591	19.930234
12 h after light	16.284803	15.273837	17.295769
4 h after dark	15.6352435	14.832604	16.437883
8 h after dark	17.545082999999998	17.122023	17.968143
12 h after dark	14.671247	14.671247	14.671247