condition	mean	min	max
4 h after light	0.03732205	0.0	0.0746441
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.04890665	0.0	0.0978133
12 h after dark	0.0	0.0	0.0