Hello, we've been having this issue across the board on multiple website's looker studio reports. It seems that data has become "skewed" and displays wrong. I was wondering what might be the cause of this issue.
Here are some screenshots for reports of two different websites we maintain and some dates for each report.
I'm going to paste in a February and March Yearly report for each site so you can see the issue we're dealing with.
For reference, the dark blue bar is the current year, the light blue bar is the previous year. Notice in both of these reports, the bar for February changes drastically between the Feb and the March yearly reports. We haven't made any changes to the data these reports are collecting and we can't figure out why these numbers changed as they did. Any insight here would be much appreciated.
Website 1:
Report for Feb 1, 2024 - Feb 28, 2025:
Report for March 1, 2024 - March 31, 2025:
Website 2:
Report for Feb 1, 2024 - Feb 28, 2025:
Report for March 1, 2024 - March 31, 2025:
Although, after running a few more tests I did notice that if I keep our date range starting from Jan. 1, 2024, the data does not change like it does in the examples above. Keeping the starting date Jan. 1, 2024 keeps the data the same no matter what end date we have.
Here is an example of Website 1 with a date range of Jan. 1, 2024 - April 30, 2025:
I have a sample LookerStudio report if you'd like to take a look at it. It seems I'll have to grant you access though so if needed I can grant access to a support email address (or whatever works). I hope this makes sense, let me know if you need any more clarification.
Thanks!