condition	mean	min	max
4 h after light	1.40048	1.00546	1.7955
8 h after light	1.42681	1.27476	1.57886
12 h after light	1.646275	1.41125	1.8813
4 h after dark	2.7681233333333335	2.51628	3.23458
8 h after dark	2.46605	1.90982	2.93837
12 h after dark	1.6789656666666666	0.969367	2.08414