Summary and representation of daily to calendar monthly values

Hi everyone,

I’m completely new to Grafana, but I’m already feeling a bit stuck. Maybe you can help me get started so that I can dive into the topic better with some hands-on experience and assistance.

Ich hoffe ich bin hier richtig.

• What Grafana version and what operating system are you using?
  Grafana 9.2.2 on Homeassistant

• What are you trying to achieve?
  I have a small PV system and I want to display the generated electricity on a monthly basis in kWh.

My Database in Influx DB.

Here are the specific requirements:

• The calendar months should be summed up (not just 30 days).
• The data for the generated electricity is available on a daily basis.
• It should be represented as a bar chart.
• The Y-axis should be labeled in kWh.

The following is my current status.

SELECT mean("value") FROM "Wh" WHERE ("friendly_name"::tag = 'BKW YieldDay') AND $timeFilter GROUP BY time($__interval) fill(null)

Image may be NSFW.
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Thank you in advance!

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