3873 beta profiles and new average values

[chris-ashe]

Description

Checklist

I confirm that I have completed the following checks:

• My changes follow the PROCESS style guide
• I have justified any large differences in the regression tests caused by this pull request in the comments.
• I have added new tests where appropriate for the changes I have made.
• If I have had to change any existing unit or integration tests, I have justified this change in the pull request comments.
• If I have made documentation changes, I have checked they render correctly.
• I have added documentation for my change, if appropriate.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 30.17751% with 118 lines in your changes missing coverage. Please review.
✅ Project coverage is 46.04%. Comparing base (c9a56cd) to head (c017039).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
process/io/plot_proc.py	5.19%	73 Missing ⚠️
process/physics.py	8.16%	45 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3900      +/-   ##
==========================================
- Coverage   46.38%   46.04%   -0.35%     
==========================================
  Files         123      123              
  Lines       28162    28990     +828     
==========================================
+ Hits        13064    13349     +285     
- Misses      15098    15641     +543     

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