condition	mean	min	max
4 h after light	0.3424965	0.266048	0.418945
8 h after light	0.86191	0.81463	0.90919
12 h after light	2.0473	1.74111	2.35349
4 h after dark	1.78245	1.56529	1.99961
8 h after dark	1.21117	1.1409	1.28144
12 h after dark	0.9573165	0.915262	0.999371