condition	mean	min	max
4 h after light	5.79148	3.97479	7.60817
8 h after light	15.8767	15.4792	16.2742
12 h after light	22.74795	21.485	24.0109
4 h after dark	19.543599999999998	19.4912	19.596
8 h after dark	11.38175	10.5977	12.1658
12 h after dark	8.64447	8.11593	9.17301