condition	mean	min	max
4 h after light	11.01925	10.1772	11.8613
8 h after light	8.554055	8.37651	8.7316
12 h after light	8.619720000000001	7.79844	9.441
4 h after dark	11.10647	9.76004	12.4529
8 h after dark	12.097249999999999	11.8794	12.3151
12 h after dark	13.2275	13.0092	13.4458