condition	mean	min	max
0 h after light	14.481449999999999	13.1366	15.8263
4 h after light	14.527350000000002	12.9289	16.1258
8 h after light	14.375049999999998	12.1977	16.5524
4 h after dark	18.0329	12.2127	23.8531
8 h after dark	20.5729	20.263	20.8828
12 h after dark	16.29795	16.0308	16.5651