See how a running total differs from a rate of change through parcels and rain....

https://milassuperbop-eds.readspirex.com/posts/why-is-an-average-rate-a-summary-and-not-the-full-story

See how a running total differs from a rate of change through parcels and rain. Learn to check units and time windows: packages delivered so far is a count, while inches of rain per hour is a rate