condition	mean	min	max
4 h after light	0.4519395	0.359866	0.544013
8 h after light	0.882833	0.590306	1.17536
12 h after light	1.1638595	0.952049	1.37567
4 h after dark	1.52779	1.41152	1.64406
8 h after dark	0.912782	0.890736	0.934828
12 h after dark	0.5660125	0.564601	0.567424