{
 "date": "2026-07-21",
 "destination": "boston-massachusetts",
 "frozen": true,
 "written": "once, on the night the day left the window, from the as-of ledger of that date; never recomputed",
 "band": null,
 "busier_than_pct": null,
 "confidence": 0.0,
 "drivers": [],
 "events": [],
 "signal_states": {
  "cruise": "GAP",
  "season": "OK",
  "holiday": "GAP"
 },
 "signal_values": {},
 "model_version": "v9-2026.07",
 "computed_at": "2026-07-21T17:36:14.349344",
 "record_id": "boston-massachusetts/2026-07-21/0eeceab37b14c58c",
 "cite_as": "https://avoid-crowds.com/boston-massachusetts/#d-2026-07-21"
}