condition	mean	min	max
0 h after light	8.731010000000001	8.24371	9.21831
4 h after light	5.979735	5.45325	6.50622
8 h after light	3.426755	3.24996	3.60355
4 h after dark	12.19345	10.9968	13.3901
8 h after dark	11.87285	11.5224	12.2233
12 h after dark	6.850585000000001	5.83791	7.86326