condition	mean	min	max
4 h after light	2.582445	1.34625	3.81864
8 h after light	0.621884	0.409023	0.834745
12 h after light	0.288601	0.261667	0.315535
4 h after dark	0.4712715	0.457419	0.485124
8 h after dark	1.296265	1.16732	1.42521
12 h after dark	2.685705	2.31458	3.05683