condition	mean	min	max
4 h after light	15.433811	14.491276	16.376346
8 h after light	13.156788500000001	12.912473	13.401104
12 h after light	14.1188295	12.912473	15.325186
4 h after dark	12.3244945	11.736516	12.912473
8 h after dark	12.4647065	12.304752	12.624661
12 h after dark	11.240545	11.240545	11.240545