{"station":{"icao":"RJCC","city":{"slug":"sapporo","name":"Sapporo","country":"Japan"},"timezone":"Asia/Tokyo","lat":43.06,"lon":141.35,"us":false,"html":"https://weathermarket.io/station/RJCC","json":"https://weathermarket.io/api/station/RJCC","nwsCli":null},"date":"2026-11-16","window":{"date":"2026-11-16","timezone":"Asia/Tokyo","dayStartUtc":"2026-11-15T15:00:00.000Z","dayEndUtc":"2026-11-16T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":false,"values":{"tmax":4,"tmaxAt":"2026-11-15T15:00:00.000Z","tmin":4,"tminAt":"2026-11-15T15:00:00.000Z","tavg":4,"humidityMean":100,"windMean":5.1,"windMax":5.7,"windMaxAt":"2026-11-15T15:00:00.000Z","precipObservedCount":5,"nObservations":5,"maxGapMinutes":30,"units":{"temperature":"°C","wind":"m/s","humidity":"%"},"source":"Extremes over the METAR observations listed in this record (hourly plus special reports) - the same record values.metarDerived carries in /api/station/{icao}/daily"},"extremes":{"tmax":{"obsTimeUtc":"2026-11-15T15:00:00.000Z","obsTimeLocal":"2026-11-16T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151500Z 35011KT 5000 -SHRA BR FEW002 BKN003 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-15T15:00:00.000Z","obsTimeLocal":"2026-11-16T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151500Z 35011KT 5000 -SHRA BR FEW002 BKN003 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-15T15:00:00.000Z","obsTimeLocal":"2026-11-16T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151500Z 35011KT 5000 -SHRA BR FEW002 BKN003 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"open","finalAt":"2026-11-16T18:00:00.000Z","settleable":false,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":["day_not_ended: local day ends at 2026-11-16T15:00:00.000Z"],"holdHours":3},"revision":"f9772c195b0c9ac0","lastChangedAt":"2026-11-15T17:06:50.734Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-11-16?format=record","status":"awaiting_final","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"The record is anchored once it is final (2026-11-16T18:00:00.000Z); until then it can still change"},"qc":{"summary":{"good":5,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-15T15:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-15T15:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":4,"tmin":4,"differsFromRecord":false},"note":"Flags are attached beside the anchored record and are not part of its bytes; the record's extremes are unchanged. A suspect extreme is usable but worth checking against the raw text (extremes.*.reasons); a bad report is physically impossible and excludingBad shows the extremes without it."},"official":null,"observations":[{"obsTimeUtc":"2026-11-15T15:00:00.000Z","obsTimeLocal":"2026-11-16T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151500Z 35011KT 5000 -SHRA BR FEW002 BKN003 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-15T15:30:00.000Z","obsTimeLocal":"2026-11-16T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 151530Z 34010KT 7000 -SHRA FEW002 BKN003 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-15T16:00:00.000Z","obsTimeLocal":"2026-11-16T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151600Z 35010KT 8000 -SHRA FEW002 SCT003 BKN012 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-15T16:30:00.000Z","obsTimeLocal":"2026-11-16T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 151630Z 35010KT 9999 -SHRA FEW002 SCT012 BKN050 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-15T17:00:00.000Z","obsTimeLocal":"2026-11-16T02:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 151700Z 34009KT 9999 -SHRA FEW002 SCT004 BKN050 04/04 Q1011","temp":4,"dewpoint":4,"humidity":100,"wind":4.6,"precipObserved":true,"correctedAt":null,"originalRaw":null}],"about":{"record":"Station-day record: the daily extremes over every METAR observation (hourly plus special reports) received for the station's local calendar day - local midnight to local midnight, daylight saving applied. Temperatures are whole degrees Celsius as reported in METAR; a short-lived peak between reports can be missed. This is not a model or an aggregate - every value points at the report that produced it, and every report in the day is listed verbatim.","settlementRule":"The settlement value is the daily maximum (or minimum) of this record once it is final: the local day has ended and the 3-hour correction hold has passed. A day whose longest gap between reports exceeds the station's normal interval plus 30 minutes is final but flagged not settleable - a market should treat it as a review case. Once final, the canonical record bytes are hashed (SHA-256) and the hash is written to the SnapshotAnchor contract on Flare; the anchored record is the settlement record even if reports change afterwards (matchesCurrent then reads false).","verify":["Every METAR in the day is listed with its raw text; compare it with the independent archives linked under links.external (IEM ASOS archive, Ogimet).","GET links.record for the canonical record bytes, SHA-256 them and compare with anchor.sha256; call SnapshotAnchor.isAnchored(sha256) on Flare (anchor.contract, anchor.chainId) to confirm the hash is on-chain. anchor.explorer opens the anchoring transaction.","Permalink pattern for market rules: https://weathermarket.io/station/RJCC/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/RJCC/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for RJCC for the contract date (station-local calendar day), as published at https://weathermarket.io/station/RJCC/YYYY-MM-DD with every observation used, the finality status and the Flare anchor of the record. The daily value is the extreme over the hourly and special METAR reports in that day; a short-lived peak between reports may be missed. If the record is not final and settleable by the resolution deadline, the market is flagged for review."},"links":{"html":"https://weathermarket.io/station/RJCC/2026-11-16","json":"https://weathermarket.io/api/station/RJCC/2026-11-16","record":"https://weathermarket.io/api/station/RJCC/2026-11-16?format=record","prev":"https://weathermarket.io/station/RJCC/2026-11-15","next":"https://weathermarket.io/station/RJCC/2026-11-17","station":"https://weathermarket.io/station/RJCC","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=RJCC&data=metar&year1=2026&month1=11&day1=15&year2=2026&month2=11&day2=17&tz=Etc%2FUTC&format=onlycomma&latlon=no&elev=no&missing=M&trace=T&direct=no&report_type=3&report_type=4","ogimet":"https://www.ogimet.com/display_metars2.php?lang=en&lugar=RJCC&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=15&hora=15&anof=2026&mesf=11&dayf=16&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}