condition	mean	min	max
4 h after light	8.8803015	8.109988	9.650615
8 h after light	8.479053	7.974133	8.983973
12 h after light	8.2498085	7.546274	8.953343
4 h after dark	7.910489999999999	7.652582	8.168398
8 h after dark	7.982537000000001	7.757708	8.207366
12 h after dark	7.147512	7.147512	7.147512