condition	mean	min	max
4 h after light	1.140339	0.880287	1.41823
8 h after light	0.5477926666666667	0.251377	0.700084
12 h after light	0.7859986666666666	0.550111	1.16638
4 h after dark	1.93503	1.8232	2.02598
8 h after dark	1.95995	1.42311	2.62468
12 h after dark	1.70541	1.56989	1.85589