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	0.0466235	0.0462889	0.0469581
8 h after dark	0.0	0.0	0.0
12 h after dark	0.02297495	0.0	0.0459499