Running totals show how much has accumulated, while rates of change show how...

https://www.yankee-bookmarkings.win/use-parcel-deliveries-to-see-the-difference-between-a-running-total-and-a-rate

Running totals show how much has accumulated, while rates of change show how quickly. Using parcel deliveries and rainfall, this article explains why units matter and how a daily time window can hide a busy hour