1) Download the mod from the nexus, and install it.
2) Play the game with the mod enabled.
3) Get the stats file from:
%AppData%\Roaming\StardewValley\Mods\Shipment Tracker
4) Click the shipping bin to load the stats into the graph!
5) Click the arrow keys to go to the next time period, and click the bars to 'zoom in' on that season or day.