condition	mean	min	max
0 h after light	9.243835	9.10152	9.38615
4 h after light	10.21481	9.87032	10.5593
8 h after light	6.559279999999999	5.95266	7.1659
4 h after dark	10.00852	8.86384	11.1532
8 h after dark	8.86534	8.60501	9.12567
12 h after dark	9.68552	9.61389	9.75715