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	0.02263685	0.0	0.0452737
4 h after dark	0.0151319	0.0	0.0302638
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0