condition	mean	min	max
4 h after light	9.086175	8.85683	9.31552
8 h after light	9.56001	9.36166	9.75836
12 h after light	9.24587	9.12109	9.37065
4 h after dark	13.48735	12.3616	14.6131
8 h after dark	12.186250000000001	11.9883	12.3842
12 h after dark	11.47355	11.2491	11.698