condition	mean	min	max
0 h after light	1.966	1.35745	2.57455
4 h after light	4.35112	4.00795	4.69429
8 h after light	3.5854999999999997	2.34487	4.82613
4 h after dark	6.93441	6.65405	7.21477
8 h after dark	7.646205	5.87195	9.42046
12 h after dark	5.793605	3.2477	8.33951