If the XSS values between Dashboard and Magic Buckets don’t match check to make sure both data fields are current release editions.
As of May 6th that is v6.5 for XDB and v10.8 for XMB.
If the activity results in a BT, the post-ride analysis values won’t match in-ride numbers since your signature has changed. If TP increases the distribution between Low and High/Peak has changed.
Here’s is a forum post describing the rainbow gauge functionality common to Xert apps/data fields that display it –
Did you know… Xert Rainbow Gauge - General - Xert Community Forum
Magic Buckets (for Garmin) has several nuances that have been posted on the FB users group.
Do you have access to FB? If so, you can peruse the media library there for tips.
For example, here’s the three BT indicators available on Garmin XMB:
