condition	mean	min	max
2 h after light	9.264908333333333	6.8104	10.2429
6 h after light	11.53144	9.65514	13.3393
10 h after light	16.240116666666665	13.9788	21.1566
14 h after light	12.975583333333333	10.0299	15.6144
18 h after light	13.043849999999999	11.4317	16.8921
2 h after dark	18.1339	10.3918	23.9654