condition	mean	min	max
4 h after light	0.0183507	0.0	0.0367014
8 h after light	0.0	0.0	0.0
12 h after light	0.02408595	0.0	0.0481719
4 h after dark	0.0	0.0	0.0
8 h after dark	0.03181385	0.0	0.0636277
12 h after dark	0.04203055	0.0313206	0.0527405