condition	mean	min	max
0 h after light	6.721925	6.51948	6.92437
4 h after light	8.54633	7.59702	9.49564
8 h after light	9.031514999999999	8.5855	9.47753
4 h after dark	6.148825	5.72683	6.57082
8 h after dark	8.392050000000001	8.16981	8.61429
12 h after dark	5.28733	4.4714	6.10326