Are you saying there's a different baseline metric we could be using? If we're going to be making climate-change related arguments about water, we need a climat

Are you saying there's a different baseline metric we could be using? If we're going to be making climate-change related arguments about water, we need a climate-based metric to show that it's climate change causing water accessibility issues. Without such a metric, then it's easier to show that local political issues are what's causing these issues.