condition	mean	min	max
4 h after light	0.024428	0.0182023	0.0306537
8 h after light	0.0184661	0.016008	0.0209242
12 h after light	0.01498848	0.00709046	0.0228865
4 h after dark	0.0097397	0.0	0.0184566
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0043809	0.0	0.0131427