condition	mean	min	max
4 h after light	0.277103	0.226829	0.327377
8 h after light	0.3600955	0.317432	0.402759
12 h after light	0.2508825	0.204044	0.297721
4 h after dark	0.386406	0.356689	0.416123
8 h after dark	0.244754	0.230325	0.259183
12 h after dark	0.2310685	0.162978	0.299159