condition	mean	min	max
4 h after light	5.316784999999999	4.87498	5.75859
8 h after light	4.93379	4.32587	5.54171
12 h after light	5.808165	4.26572	7.35061
4 h after dark	9.552624999999999	9.2673	9.83795
8 h after dark	10.46855	10.272	10.6651
12 h after dark	8.953085	8.8158	9.09037