condition	mean	min	max
0 h after light	2.208395	2.08045	2.33634
4 h after light	1.559925	1.49887	1.62098
8 h after light	2.0806	1.84975	2.31145
4 h after dark	2.555245	2.2096	2.90089
8 h after dark	2.48366	2.04534	2.92198
12 h after dark	1.919865	1.64188	2.19785