condition	mean	min	max
0 h after light	10.111	9.9743	10.2477
4 h after light	10.27645	9.874	10.6789
8 h after light	6.603434999999999	6.50937	6.6975
4 h after dark	8.049140000000001	7.46339	8.63489
8 h after dark	9.183695	8.90551	9.46188
12 h after dark	9.119430000000001	8.70273	9.53613