{
  "license": "CC-BY-4.0",
  "attribution": "Japan Trip Tools (triptoolsjapan.com)",
  "note": "Normals derive from JMA observation records. 'offset_days' entries are our own editorial adjustment vs the 30-year normal, informed by public forecasts but never reproducing them. This file is hand-maintained and append-only — never written by research/build_bloom_data.py or research/build_koyo_data.py.",
  "entries": [],
  "actuals": [],
  "generated": "2026-07-22"
}