condition	mean	min	max
4 h after light	0.4182215	0.402176	0.434267
8 h after light	0.5759345	0.565465	0.586404
12 h after light	0.9052945	0.721989	1.0886
4 h after dark	1.31018	1.14305	1.47731
8 h after dark	0.8434435	0.79599	0.890897
12 h after dark	0.687167	0.667079	0.707255