condition	mean	min	max
4 h after light	5.006466666666666	2.11891	8.10496
8 h after light	3.278133	0.722619	5.23283
12 h after light	3.98693	1.98685	6.85063
4 h after dark	10.95378	7.33954	13.2721
8 h after dark	15.94	10.9571	22.4022
12 h after dark	20.4709	18.4478	22.3013