condition	mean	min	max
0 h after light	11.6097	11.4026	11.8168
4 h after light	9.29253	9.02708	9.55798
8 h after light	7.837724999999999	7.61335	8.0621
4 h after dark	12.1562	11.3643	12.9481
8 h after dark	11.55595	11.3408	11.7711
12 h after dark	10.5084	10.0971	10.9197