condition	mean	min	max
0 h after light	9.331330000000001	9.20242	9.46024
4 h after light	8.343195	8.10259	8.5838
8 h after light	8.252345	8.09474	8.40995
4 h after dark	11.268	10.1664	12.3696
8 h after dark	10.338799999999999	10.2127	10.4649
12 h after dark	10.61935	10.5142	10.7245