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	0.0	0.0	0.0
4 h after dark	0.017786	0.0	0.035572
8 h after dark	0.0286385	0.0219387	0.0353383
12 h after dark	0.01477595	0.0	0.0295519