condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.1318385	0.0	0.263677
4 h after dark	0.01362515	0.0	0.0272503
8 h after dark	0.061306	0.0	0.122612
12 h after dark	0.0	0.0	0.0