The Historical Net Present Value chart reviews historical and projected cash flows from your project to determine NPV. By doing this each reporting period, typically months, you get an accurate picture of the value of the project to your organization. Say for example that the project is on-time and on-budget, every Project Manager's ideal situation. But the client is getting behind in their payment. How does that impact the value of the project to your company? This chart visually lets you know instantly.