condition	mean	min	max
0 h after light	2.861895	2.76703	2.95676
4 h after light	6.599565	4.36502	8.83411
8 h after light	13.2626	11.3152	15.21
4 h after dark	2.3606	1.99289	2.72831
8 h after dark	2.645055	2.56493	2.72518
12 h after dark	2.378815	1.44166	3.31597