Running totals track what adds up, while rates show how fast it changes. With...

https://www.bright-bookmarks.win/a-running-total-shows-how-much-has-accumulated-while-a-rate-of-change-tells

Running totals track what adds up, while rates show how fast it changes. With parcels and rain, learn to read units and time windows: parcels per hour vs. parcels this week, or rain per day vs. rain this month. Make work charts easier to read clearly.