Files
KnouandClaude Opus 5 e855d583e3 Document restructuring and the beginnings of Filter 2 changes
Split the pipeline documentation by purpose so each fact has one home:
- docs/pipeline-plan.md keeps the plan, checklist, tracker, and guardrails
- docs/decisions.md holds open decisions and the dated decision log
- docs/reviews/ holds findings and tasks: one file per filter, plus
  00-cross-filter.md for findings that span filters
- scripts/common/README.md holds the shared-helper rules (formerly Phase 2)
- filter-calculations.md now describes calculations only

Filed findings 12-22 from a consistency audit of the app, docs, and scripts.

Filter 1 (Köppen-Geiger): use "Köppen" with the umlaut in all prose, labels,
docstrings, help text, and checker messages (finding 21), and correct the
base build's "majority" docstring (finding 22).

Filter 2 (annual avg temperature): record the adopted definition in
filter-calculations.md §2: equally weighted 1991-2020 monthly normals, per
WMO-No. 1203 and NOAA's 2020 methodology; area-weighted county means; blank
unless all 12 months exist. Code changes for this filter are still pending.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-15 16:13:11 -04:00

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Markdown

# Filter 7: Seasonality index
**Status:** Not started.
**Data key:** `seasonalityIndex`. Calculation:
[filter-calculations.md](../filter-calculations.md) §7.
## Findings
No filter-specific findings yet.
Cross-filter findings that affect this filter, in
[00-cross-filter.md](00-cross-filter.md): 2 and 11 (county aggregation),
12 (Alaska and Hawaii not covered), and 15 (source text cites the station
Normals).
## Decisions
None yet.
## Tasks
Not started; follow the per-filter review checklist in
[pipeline-plan.md](../pipeline-plan.md) §5.