condition	mean	min	max
4 h after light	0.27196705	0.0953751	0.448559
8 h after light	0.1689635	0.104299	0.233628
12 h after light	0.421517	0.380445	0.462589
4 h after dark	0.487139	0.309223	0.665055
8 h after dark	0.200377	0.180525	0.220229
12 h after dark	0.13958	0.115105	0.164055