condition	mean	min	max
0 h after light	13.551850000000002	13.2908	13.8129
4 h after light	7.104755000000001	6.01076	8.19875
8 h after light	4.981085	4.19622	5.76595
4 h after dark	11.7864	11.0987	12.4741
8 h after dark	10.988165	9.34093	12.6354
12 h after dark	11.91467	8.90144	14.9279