condition	mean	min	max
4 h after light	16.1132845	15.850223	16.376346
8 h after light	16.0312805	15.686215	16.376346
12 h after light	17.251693000000003	16.050626	18.45276
4 h after dark	19.395172000000002	18.714181	20.076163
8 h after dark	15.9445615	13.268556	18.620567
12 h after dark	16.376346	16.376346	16.376346