condition	mean	min	max
4 h after light	5.888755	5.62403	6.15348
8 h after light	3.42286	2.21913	4.62659
12 h after light	4.71314	3.35534	6.07094
4 h after dark	8.054905	7.58673	8.52308
8 h after dark	5.98	5.75536	6.20464
12 h after dark	9.06981	7.85372	10.2859