{"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":"2026-10-28","window":{"date":"2026-10-28","timezone":"Asia/Tokyo","dayStartUtc":"2026-10-27T15:00:00.000Z","dayEndUtc":"2026-10-28T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":true,"values":{"tmax":7,"tmaxAt":"2026-10-28T04:00:00.000Z","tmin":1,"tminAt":"2026-10-27T18:30:00.000Z","tavg":3.3,"humidityMean":67.1,"windMean":6.3,"windMax":11.8,"windMaxAt":"2026-10-28T03:00:00.000Z","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":"2026-10-28T04:00:00.000Z","obsTimeLocal":"2026-10-28T13:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 280400Z 29019G30KT 9999 FEW015 SCT030 07/M04 Q1009","temp":7,"dewpoint":-4,"humidity":45,"wind":9.8,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-27T18:30:00.000Z","obsTimeLocal":"2026-10-28T03:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 271830Z 27021KT 2500 -SHSN FEW005 SCT010 BKN020 01/00 Q1002","temp":1,"dewpoint":0,"humidity":93,"wind":10.8,"precipObserved":true,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-28T03:00:00.000Z","obsTimeLocal":"2026-10-28T12:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 280300Z 30023G34KT 9999 FEW015 SCT030 06/M06 Q1008","temp":6,"dewpoint":-6,"humidity":42,"wind":11.8,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-28T18:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"1387566484c1954b","lastChangedAt":"2026-10-28T14:38:41.294Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-10-28?format=record","status":"anchored","sha256":"a1563d735c48e6394d59e976b7c728d8353d466cb9db48c6af55beffc248b279","revision":"1387566484c1954b","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":"2026-10-28T04:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-27T18:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":7,"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":"2026-10-27T15:00:00.000Z","obsTimeLocal":"2026-10-28T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 271500Z VRB04KT 9999 FEW005 BKN140 04/04 Q1000","temp":4,"dewpoint":4,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T15:30:00.000Z","obsTimeLocal":"2026-10-28T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 271530Z 32003KT 290V350 9999 -SHRA FEW005 SCT035 BKN140 04/04 Q1001","temp":4,"dewpoint":4,"humidity":100,"wind":1.5,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T16:00:00.000Z","obsTimeLocal":"2026-10-28T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 271600Z 28010KT 9999 -SHRA FEW005 SCT035 04/02 Q1000","temp":4,"dewpoint":2,"humidity":87,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T16:30:00.000Z","obsTimeLocal":"2026-10-28T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 271630Z 28013KT 9999 -SHRA FEW005 SCT035 04/01 Q1000","temp":4,"dewpoint":1,"humidity":81,"wind":6.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T17:00:00.000Z","obsTimeLocal":"2026-10-28T02:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 271700Z 28016KT 9999 -SHRA FEW010 SCT035 03/00 Q1000","temp":3,"dewpoint":0,"humidity":81,"wind":8.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T17:30:00.000Z","obsTimeLocal":"2026-10-28T02:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 271730Z 26012KT 9999 FEW010 04/M01 Q1000","temp":4,"dewpoint":-1,"humidity":70,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T18:00:00.000Z","obsTimeLocal":"2026-10-28T03:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 271800Z 31020KT 9999 -SHSN FEW010 SCT050 03/M01 Q1001","temp":3,"dewpoint":-1,"humidity":75,"wind":10.3,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T18:30:00.000Z","obsTimeLocal":"2026-10-28T03:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 271830Z 27021KT 2500 -SHSN FEW005 SCT010 BKN020 01/00 Q1002","temp":1,"dewpoint":0,"humidity":93,"wind":10.8,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T19:00:00.000Z","obsTimeLocal":"2026-10-28T04:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 271900Z 27018KT 9999 -SHSN FEW002 SCT025 01/00 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Q1004","temp":1,"dewpoint":-1,"humidity":86,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T22:30:00.000Z","obsTimeLocal":"2026-10-28T07:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 272230Z 27012KT 9999 FEW008 02/M01 Q1004","temp":2,"dewpoint":-1,"humidity":81,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T23:00:00.000Z","obsTimeLocal":"2026-10-28T08:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 272300Z 27012KT 9999 FEW008 03/M02 Q1005","temp":3,"dewpoint":-2,"humidity":70,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T23:30:00.000Z","obsTimeLocal":"2026-10-28T08:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 272330Z 27011KT 9999 FEW015 03/M02 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Q1015","temp":2,"dewpoint":-5,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:00:00.000Z","obsTimeLocal":"2026-10-28T18:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 280900Z 31012KT 9999 FEW015 SCT060 BKN070 03/M05 Q1016","temp":3,"dewpoint":-5,"humidity":56,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:30:00.000Z","obsTimeLocal":"2026-10-28T18:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 280930Z 29005KT 250V330 9999 FEW015 BKN070 03/M05 Q1016","temp":3,"dewpoint":-5,"humidity":56,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:00:00.000Z","obsTimeLocal":"2026-10-28T19:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281000Z 29007G18KT 260V040 9999 FEW015 BKN070 03/M06 Q1016","temp":3,"dewpoint":-6,"humidity":52,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:30:00.000Z","obsTimeLocal":"2026-10-28T19:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281030Z 28006KT 260V030 9999 FEW015 BKN070 02/M06 Q1017","temp":2,"dewpoint":-6,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:00:00.000Z","obsTimeLocal":"2026-10-28T20:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281100Z 25006G16KT 210V290 9999 FEW015 BKN080 02/M06 Q1018","temp":2,"dewpoint":-6,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:30:00.000Z","obsTimeLocal":"2026-10-28T20:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281130Z VRB05KT 9999 FEW015 BKN080 02/M06 Q1018","temp":2,"dewpoint":-6,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:00:00.000Z","obsTimeLocal":"2026-10-28T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281200Z 21005KT 9999 FEW015 BKN080 02/M06 Q1019","temp":2,"dewpoint":-6,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:30:00.000Z","obsTimeLocal":"2026-10-28T21:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281230Z 22008KT 9999 FEW015 BKN080 02/M05 Q1019","temp":2,"dewpoint":-5,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:00:00.000Z","obsTimeLocal":"2026-10-28T22:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281300Z 22007KT 9999 FEW015 SCT060 BKN080 02/M05 Q1019","temp":2,"dewpoint":-5,"humidity":60,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:30:00.000Z","obsTimeLocal":"2026-10-28T22:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281330Z 23007KT 9999 FEW015 BKN060 BKN080 02/M04 Q1019","temp":2,"dewpoint":-4,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:00:00.000Z","obsTimeLocal":"2026-10-28T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 281400Z 23007KT 9999 FEW015 BKN050 BKN070 02/M04 Q1019","temp":2,"dewpoint":-4,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:30:00.000Z","obsTimeLocal":"2026-10-28T23:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 281430Z 25007KT 9999 -SHSN FEW015 BKN050 02/M04 Q1020","temp":2,"dewpoint":-4,"humidity":64,"wind":3.6,"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/2026-10-28","json":"https://weathermarket.io/api/station/RJCC/2026-10-28","record":"https://weathermarket.io/api/station/RJCC/2026-10-28?format=record","prev":"https://weathermarket.io/station/RJCC/2026-10-27","next":"https://weathermarket.io/station/RJCC/2026-10-29","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=27&year2=2026&month2=10&day2=29&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=27&hora=15&anof=2026&mesf=10&dayf=28&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}