condition	mean	min	max
0 h after light	9.350745	9.04078	9.66071
4 h after light	12.97185	12.3306	13.6131
8 h after light	23.29635	22.4605	24.1322
4 h after dark	27.03125	24.5638	29.4987
8 h after dark	16.03805	14.4164	17.6597
12 h after dark	13.167000000000002	10.5836	15.7504