S3 - add daily and monthly tests for South Fork wave

[abkfenris]

Works on #101

---

This is part 3 of 3 in a stack made with GitButler:

•  3  S3 - add daily and monthly tests for South Fork wave #125 👈
•  2  Test Empire with NANs #121
•  1  Initial S3 timeseries tests #108

[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.23%. Comparing base (e9bdc14) to head (625c67c).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
pipeline/s3_timeseries/tests/test_south_fork.py	77.04%	14 Missing ⚠️

❌ Your patch check has failed because the patch coverage (83.33%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@               Coverage Diff               @@
##           empire-nans     #125      +/-   ##
===============================================
+ Coverage        76.65%   77.23%   +0.58%     
===============================================
  Files               29       30       +1     
  Lines              848      918      +70     
  Branches            21       21              
===============================================
+ Hits               650      709      +59     
- Misses             196      207      +11     
  Partials             2        2              

Flag	Coverage Δ
common	53.57% <ø> (ø)
s3_timeseries	65.80% <83.33%> (+1.94%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.