condition	mean	min	max
4 h after light	2.45938	1.68692	3.23184
8 h after light	1.925355	1.71447	2.13624
12 h after light	1.85102	1.80569	1.89635
4 h after dark	2.95986	2.4578	3.2504
8 h after dark	3.023	2.89222	3.10058
12 h after dark	2.78953	2.04186	3.53557