condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	1.107275	0.0	2.21455
12 h after light	2.870225	0.0	5.74045
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0