condition	mean	min	max
0 h after light	6.96195	6.79871	7.12519
4 h after light	4.95538	3.51698	6.39378
8 h after light	7.453340000000001	7.34717	7.55951
4 h after dark	9.16008	8.86936	9.4508
8 h after dark	8.121725	7.82903	8.41442
12 h after dark	5.0602800000000006	4.90939	5.21117