condition	mean	min	max
4 h after light	8.62261	7.85265	9.39257
8 h after light	9.24883	8.94396	9.5537
12 h after light	11.882950000000001	11.4459	12.32
4 h after dark	12.9591	12.7667	13.1515
8 h after dark	11.607299999999999	11.5354	11.6792
12 h after dark	10.2684	10.1664	10.3704