core: Exceptional (!) shown when it's (a sunny) day

The problem

See the issue https://github.com/home-assistant/frontend/issues/12349 where I posted the details already.

Basically the status is set to Exceptional when it’s bright day. Night and rain are shown normally. (I have no clue how the sensor will know the cloud status since it only has light (three compass directions), wind (same directions), rain and a day/night switch.

What version of Home Assistant Core has the issue?

2022.4.5

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

Somfy

Link to integration documentation on our website

No response

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

If you tell me where to find useful details I'll happily share them

Additional information

No response