Alexander

Matthias, I created a synthetic case in workbench trying to follow your requirements for one signal so that you can adapt it to your situation. Please find below the workflow and code in formula: The associated results for the last three months are as follow: Note that the monthly sum of March is still uncertain (showed as a vertical bar with dashed lines) because the current month has not finished yet (03/17/2023). There are other ways to approach this situation, but the current methodology minimizes the uncertainty. Hope this helps you. Regards, Alexander