condition	mean	min	max
0 h after light	10.417125	9.32515	11.5091
4 h after light	10.1791	9.4883	10.8699
8 h after light	21.51475	21.0352	21.9943
4 h after dark	19.85605	18.8307	20.8814
8 h after dark	16.964399999999998	15.7075	18.2213
12 h after dark	11.60005	11.1752	12.0249