Pre-registered predictions written BEFORE any OOS analysis data is loaded
(UTC 2026-04-22T00:44:30). OOS window: 2020-01-01 to 2025-04-29,
constrained by NMDB reliable end date. 30 NMDB stations pass coverage
threshold in this window.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
