condition	mean	min	max
4 h after light	6.336125	5.38328	7.28897
8 h after light	4.79984	4.68638	4.9133
12 h after light	8.262274999999999	7.80945	8.7151
4 h after dark	11.145050000000001	10.8282	11.4619
8 h after dark	9.918185000000001	9.88028	9.95609
12 h after dark	9.669355	9.33051	10.0082