condition	mean	min	max
4 h after light	12.0495	10.424	13.675
8 h after light	8.873865	8.58655	9.16118
12 h after light	25.4548	24.4987	26.4109
4 h after dark	36.7653	33.4607	39.2107
8 h after dark	27.423	26.2659	28.106
12 h after dark	20.178866666666668	19.1286	21.026