condition	mean	min	max
4 h after light	7.706925	7.26397	8.14988
8 h after light	7.73542	7.46996	8.00088
12 h after light	9.708525	9.22265	10.1944
4 h after dark	12.76165	12.3185	13.2048
8 h after dark	12.13455	11.338	12.9311
12 h after dark	9.969245	9.60239	10.3361