condition	mean	min	max
4 h after light	6.200455	5.60456	6.79635
8 h after light	6.15219	5.97947	6.32491
12 h after light	11.02755	10.7237	11.3314
4 h after dark	11.737400000000001	11.3216	12.1532
8 h after dark	10.40205	10.2301	10.574
12 h after dark	9.086855	8.61164	9.56207