condition	mean	min	max
2 h after light	4.639356666666667	3.38302	6.95761
6 h after light	4.146929	0.629444	7.0429
10 h after light	3.26838	1.10596	5.14879
14 h after light	2.6899866666666665	1.90144	4.17157
18 h after light	2.9250183333333335	1.87412	4.35774
2 h after dark	3.565165	2.25897	5.94139