condition	mean	min	max
4 h after light	8.269606	7.901714	8.637498
8 h after light	8.071282	8.071282	8.071282
12 h after light	7.492293	7.48176	7.502826
4 h after dark	7.330436499999999	6.756634	7.904239
8 h after dark	8.347967	7.367078	9.328856
12 h after dark	8.948263	8.948263	8.948263