STATUS: record real multi-year T4 streamflow baselines (all 7 gauges)#135
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Multi-year T4 ran to completion at full registry windows across all 7 wired gauges (~3 min wall, 7-way parallel; every domain >=1000 scored gauge-days, all runoff finite). Records the honest uncalibrated cold-start KGE/NSE table (new section 2.5): best Abisko KGE=+0.31, Baltimore NSE=+0.12; volume often right (beta~1) with snowmelt timing/variance the uncalibrated error; Tagus/ Iceland/Massa are domain-config (gauge-area / glacial-melt) issues, not physics. Closes the "multi-year T4 at depth" remaining-work item; real KGE skill now gated only on a separate calibration pass, not a harness gap. Assisted-by: Claude Opus 4.8 (1M context)
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Records the honest multi-year T4 streamflow baseline numbers in STATUS.md (new §2.5).
All 7 wired gauges ran to completion at their full multi-year registry windows (multi-year spin-up + multi-year scoring), in ~3 min wall under 7-way parallelism; every domain scored ≥1,000 overlapping gauge-days with all simulated runoff finite (nbad=0).
These are uncalibrated cold-start baselines (the honest floor). Volume is often right (β≈1); timing/variance is the uncalibrated error. Tagus/Iceland/Massa are domain-config issues (gauge-area / glacial-melt), not physics. Real positive KGE needs a separate calibration pass — not a harness gap.
Docs-only; no code change.
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