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	1.025e-08	0.0	2.05e-08
8 h after dark	9.7e-06	0.0	1.94e-05
12 h after dark	0.0	0.0	0.0