{"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":"2026-10-29","window":{"date":"2026-10-29","timezone":"Asia/Tokyo","dayStartUtc":"2026-10-28T15:00:00.000Z","dayEndUtc":"2026-10-29T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":true,"values":{"tmax":12,"tmaxAt":"2026-10-29T04:30:00.000Z","tmin":1,"tminAt":"2026-10-28T16:30:00.000Z","tavg":6.9,"humidityMean":67.3,"windMean":4.9,"windMax":8.7,"windMaxAt":"2026-10-29T04:00:00.000Z","precipObservedCount":15,"nObservations":48,"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":"2026-10-29T04:30:00.000Z","obsTimeLocal":"2026-10-29T13:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 290430Z 18017KT 9999 FEW030 SCT045 BKN090 12/00 Q1022","temp":12,"dewpoint":0,"humidity":44,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-28T16:30:00.000Z","obsTimeLocal":"2026-10-29T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281630Z VRB01KT 9999 FEW015 BKN070 01/M03 Q1021","temp":1,"dewpoint":-3,"humidity":75,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-29T04:00:00.000Z","obsTimeLocal":"2026-10-29T13:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 290400Z 21017KT 9999 FEW030 SCT100 BKN/// 11/01 Q1022","temp":11,"dewpoint":1,"humidity":50,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-29T18:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"ac2ff093ac9ae2a4","lastChangedAt":"2026-10-29T14:38:38.989Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-10-29?format=record","status":"anchored","sha256":"f045ffe7282909af8ea92d272cdb0e379b6188496b2a07ef11d36ff00599f7ad","revision":"ac2ff093ac9ae2a4","flareTxHash":"0x5ebdc58f1175ced0067868986a8178da8ea524ced9eb22f02e7f4c79e2dfda06","flareBlock":73812870,"anchoredAt":"2026-11-05T15:02:28.982Z","explorer":"https://flare-explorer.flare.network/tx/0x5ebdc58f1175ced0067868986a8178da8ea524ced9eb22f02e7f4c79e2dfda06","matchesCurrent":true,"note":"GET the record bytes, SHA-256 them, and call SnapshotAnchor.isAnchored(sha256) on Flare - the anchored record is the one to settle on"},"qc":{"summary":{"good":48,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-29T04:30:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-28T16:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":12,"tmin":1,"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":"2026-10-28T15:00:00.000Z","obsTimeLocal":"2026-10-29T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281500Z 29004KT 250V330 9999 FEW015 BKN080 02/M04 Q1020","temp":2,"dewpoint":-4,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:30:00.000Z","obsTimeLocal":"2026-10-29T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281530Z 26004KT 230V310 9999 FEW015 BKN060 02/M03 Q1020","temp":2,"dewpoint":-3,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:00:00.000Z","obsTimeLocal":"2026-10-29T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281600Z 25004KT 9999 FEW015 BKN060 02/M03 Q1021","temp":2,"dewpoint":-3,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:30:00.000Z","obsTimeLocal":"2026-10-29T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281630Z VRB01KT 9999 FEW015 BKN070 01/M03 Q1021","temp":1,"dewpoint":-3,"humidity":75,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:00:00.000Z","obsTimeLocal":"2026-10-29T02:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281700Z VRB02KT 9999 FEW015 BKN070 01/M02 Q1021","temp":1,"dewpoint":-2,"humidity":80,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:30:00.000Z","obsTimeLocal":"2026-10-29T02:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281730Z 18005KT 9999 FEW015 BKN050 02/M02 Q1021","temp":2,"dewpoint":-2,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:00:00.000Z","obsTimeLocal":"2026-10-29T03:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281800Z 09003KT 070V130 9999 FEW015 BKN050 02/M02 Q1022","temp":2,"dewpoint":-2,"humidity":75,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:30:00.000Z","obsTimeLocal":"2026-10-29T03:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281830Z 12003KT 9999 FEW015 SCT050 BKN070 01/M02 Q1022","temp":1,"dewpoint":-2,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T19:00:00.000Z","obsTimeLocal":"2026-10-29T04:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281900Z 11003KT 9999 FEW015 BKN050 BKN070 01/M02 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Q1023","temp":2,"dewpoint":-1,"humidity":81,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T22:30:00.000Z","obsTimeLocal":"2026-10-29T07:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 282230Z 11003KT 9999 FEW015 03/M01 Q1024","temp":3,"dewpoint":-1,"humidity":75,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T23:00:00.000Z","obsTimeLocal":"2026-10-29T08:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 282300Z 12005KT 9999 FEW020 05/M00 Q1024","temp":5,"dewpoint":0,"humidity":70,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T23:30:00.000Z","obsTimeLocal":"2026-10-29T08:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 282330Z 14005KT 9999 FEW020 07/01 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Q1022","temp":11,"dewpoint":1,"humidity":50,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T04:30:00.000Z","obsTimeLocal":"2026-10-29T13:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 290430Z 18017KT 9999 FEW030 SCT045 BKN090 12/00 Q1022","temp":12,"dewpoint":0,"humidity":44,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T05:00:00.000Z","obsTimeLocal":"2026-10-29T14:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 290500Z 17015KT 9999 FEW030 SCT045 BKN090 10/M00 Q1022","temp":10,"dewpoint":0,"humidity":50,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T05:30:00.000Z","obsTimeLocal":"2026-10-29T14:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 290530Z 17014KT 9999 FEW030 SCT045 BKN090 10/00 Q1022","temp":10,"dewpoint":0,"humidity":50,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T06:00:00.000Z","obsTimeLocal":"2026-10-29T15:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 290600Z 16013KT 9999 -RA FEW030 BKN100 10/02 Q1021","temp":10,"dewpoint":2,"humidity":58,"wind":6.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T06:30:00.000Z","obsTimeLocal":"2026-10-29T15:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 290630Z 17013KT 9999 FEW030 BKN080 11/02 Q1021","temp":11,"dewpoint":2,"humidity":54,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T07:00:00.000Z","obsTimeLocal":"2026-10-29T16:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 290700Z 15012KT 9999 FEW030 SCT045 BKN080 10/01 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Q1021","temp":10,"dewpoint":3,"humidity":62,"wind":7.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T09:00:00.000Z","obsTimeLocal":"2026-10-29T18:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 290900Z 17017KT 9999 -RA FEW030 SCT050 BKN110 11/01 Q1020","temp":11,"dewpoint":1,"humidity":50,"wind":8.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T09:30:00.000Z","obsTimeLocal":"2026-10-29T18:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 290930Z 17016KT 9999 -RA FEW030 BKN050 BKN100 11/01 Q1020","temp":11,"dewpoint":1,"humidity":50,"wind":8.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T10:00:00.000Z","obsTimeLocal":"2026-10-29T19:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291000Z 17016KT 9999 -RA FEW015 BKN050 10/03 Q1019","temp":10,"dewpoint":3,"humidity":62,"wind":8.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T10:30:00.000Z","obsTimeLocal":"2026-10-29T19:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291030Z 17013KT 9999 -RA FEW010 BKN040 09/06 Q1019","temp":9,"dewpoint":6,"humidity":81,"wind":6.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T11:00:00.000Z","obsTimeLocal":"2026-10-29T20:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291100Z 13013KT 9999 -RA FEW010 BKN040 08/04 Q1019","temp":8,"dewpoint":4,"humidity":76,"wind":6.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T11:30:00.000Z","obsTimeLocal":"2026-10-29T20:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291130Z 13011KT 9999 -SHRA FEW010 BKN040 07/05 Q1018","temp":7,"dewpoint":5,"humidity":87,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T12:00:00.000Z","obsTimeLocal":"2026-10-29T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291200Z 14012KT 110V180 4900 SHRA BR FEW010 BKN020 FEW025CB 08/06 Q1018","temp":8,"dewpoint":6,"humidity":87,"wind":6.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T12:30:00.000Z","obsTimeLocal":"2026-10-29T21:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291230Z 13011KT 6000 -SHRA FEW010 SCT015 BKN025 08/07 Q1018","temp":8,"dewpoint":7,"humidity":93,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T13:00:00.000Z","obsTimeLocal":"2026-10-29T22:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291300Z 14010KT 6000 -SHRA FEW010 SCT025 BKN045 09/08 Q1017","temp":9,"dewpoint":8,"humidity":93,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T13:30:00.000Z","obsTimeLocal":"2026-10-29T22:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291330Z 18011KT 6000 -SHRA FEW010 SCT015 BKN040 10/09 Q1017","temp":10,"dewpoint":9,"humidity":94,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T14:00:00.000Z","obsTimeLocal":"2026-10-29T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291400Z 18015KT 6000 -SHRA FEW010 SCT015 BKN030 10/09 Q1017","temp":10,"dewpoint":9,"humidity":94,"wind":7.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T14:30:00.000Z","obsTimeLocal":"2026-10-29T23:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291430Z 20013KT 6000 -SHRA FEW010 SCT015 BKN030 10/09 Q1018","temp":10,"dewpoint":9,"humidity":94,"wind":6.7,"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/2026-10-29","json":"https://weathermarket.io/api/station/RJCC/2026-10-29","record":"https://weathermarket.io/api/station/RJCC/2026-10-29?format=record","prev":"https://weathermarket.io/station/RJCC/2026-10-28","next":"https://weathermarket.io/station/RJCC/2026-10-30","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=10&day1=28&year2=2026&month2=10&day2=30&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=10&day=28&hora=15&anof=2026&mesf=10&dayf=29&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}