condition	mean	min	max
0 h after light	0.2002735	0.0	0.400547
4 h after light	0.400807	0.394214	0.4074
8 h after light	0.203503	0.0	0.407006
4 h after dark	0.1971195	0.0	0.394239
8 h after dark	0.1985525	0.0	0.397105
12 h after dark	0.0	0.0	0.0