condition	mean	min	max
0 h after light	9.52714	9.25882	9.79546
4 h after light	12.0414	11.2856	12.7972
8 h after light	15.447500000000002	14.8861	16.0089
4 h after dark	14.8167	14.7023	14.9311
8 h after dark	14.161750000000001	13.7505	14.573
12 h after dark	11.722985	9.15997	14.286