condition	mean	min	max
4 h after light	0.0777641	0.0515742	0.103954
8 h after light	0.0	0.0	0.0
12 h after light	0.02571575	0.0	0.0514315
4 h after dark	0.0674305	0.0	0.134861
8 h after dark	0.03379125	0.0	0.0675825
12 h after dark	0.03734575	0.0	0.0746915