condition	mean	min	max
4 h after light	7.866958	7.338148	8.395768
8 h after light	7.8544485	7.707728	8.001169
12 h after light	7.423041	6.937451	7.908631
4 h after dark	8.3019465	7.896913	8.70698
8 h after dark	8.073097	8.001169	8.145025
12 h after dark	6.642685	6.642685	6.642685