# Filter 9: Driest month

**Status:** Not started.

**Data key:** `driestPrecipMonth`. Calculation:
[filter-calculations.md](../filter-calculations.md) §9.

## Findings

No numbered findings yet. Known issue to review: same as wettest month, which
is computed in both the base build and the precipitation-month script; see
[08-wettest-month.md](08-wettest-month.md).

Cross-filter findings that affect this filter, in
[00-cross-filter.md](00-cross-filter.md): 12 (Alaska and Hawaii not covered)
and 16 (the app's nClimGrid source link returns 404).

## Decisions

None yet.

## Tasks

Not started; follow the per-filter review checklist in
[pipeline-plan.md](../pipeline-plan.md) §5.