condition	mean	min	max
4 h after light	9.879019999999999	9.837589999999999	9.9039
8 h after light	9.869583333333333	9.77949	9.94384
12 h after light	10.019156666666667	9.91693	10.10765
4 h after dark	9.774736666666668	9.55604	9.913910000000001
8 h after dark	9.67265	9.47327	9.91817
12 h after dark	9.61569	9.44312	9.71243