In Excel, I've created a data set, pivot table, and 100% stacked column chart.
However, I'm struggling to combine the hour values in the X axis so that it's a single bar per month with each hour value in a different color to accumulate to 100%.
What I'm getting is in the screen cap and what I'm trying to get is in my crummy drawing.
The values of the x axis (i.e. <1h, 1-4h, 4-8h, 8-24h, etc.) would be in a single stack with colors that accumulate to 100%
Change your Pivot Table, to have "Date" in either Rows or Columns, to have "Closed Age" in the other (i.e. if you have "Date" in Rows, then put "Closed Age" in Columns, and vice-verse), and have "Sum of Record Count" as your only value:
Then turn that into a Stacked Column Chart. (You may need to swap Rows/Columns afterwards)