{"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":"2026-10-31","window":{"date":"2026-10-31","timezone":"Asia/Tokyo","dayStartUtc":"2026-10-30T15:00:00.000Z","dayEndUtc":"2026-10-31T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":true,"values":{"tmax":18,"tmaxAt":"2026-10-31T02:30:00.000Z","tmin":5,"tminAt":"2026-10-31T12:00:00.000Z","tavg":10.6,"humidityMean":80.3,"windMean":3.2,"windMax":8.7,"windMaxAt":"2026-10-31T08:00:00.000Z","precipObservedCount":6,"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":"2026-10-31T02:30:00.000Z","obsTimeLocal":"2026-10-31T11:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310230Z VRB06G18KT 9999 FEW020 18/04 Q1005","temp":18,"dewpoint":4,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-31T12:00:00.000Z","obsTimeLocal":"2026-10-31T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311200Z 01005KT 310V040 9999 FEW010 SCT060 05/01 Q1010","temp":5,"dewpoint":1,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-31T08:00:00.000Z","obsTimeLocal":"2026-10-31T17:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310800Z 34017KT 9999 FEW007 SCT050 09/06 Q1006","temp":9,"dewpoint":6,"humidity":81,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-31T18:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"f818b2f61cb45b9c","lastChangedAt":"2026-10-31T14:38:38.818Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-10-31?format=record","status":"anchored","sha256":"20dbe2fe1e931e7f6b1a2c4d87c58b2e44644811b5ca520f5a67bddfd4195402","revision":"f818b2f61cb45b9c","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":"2026-10-31T02:30:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-31T12:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18,"tmin":5,"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":"2026-10-30T15:00:00.000Z","obsTimeLocal":"2026-10-31T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301500Z 19003KT 9999 PRFG FEW005 SCT014 08/08 Q1010","temp":8,"dewpoint":8,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T15:30:00.000Z","obsTimeLocal":"2026-10-31T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301530Z 17006KT 9999 FEW014 BKN090 09/09 Q1010","temp":9,"dewpoint":9,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T16:00:00.000Z","obsTimeLocal":"2026-10-31T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301600Z 16006KT 9999 FEW015 BKN100 09/09 Q1009","temp":9,"dewpoint":9,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T16:30:00.000Z","obsTimeLocal":"2026-10-31T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301630Z 17006KT 9999 FEW015 BKN090 09/09 Q1009","temp":9,"dewpoint":9,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:00:00.000Z","obsTimeLocal":"2026-10-31T02:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301700Z 20004KT 9999 FEW010 BKN090 10/09 Q1009","temp":10,"dewpoint":9,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:30:00.000Z","obsTimeLocal":"2026-10-31T02:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301730Z 17007KT 9999 FEW008 BKN070 10/10 Q1008","temp":10,"dewpoint":10,"humidity":100,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:00:00.000Z","obsTimeLocal":"2026-10-31T03:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301800Z 17009KT 9999 FEW008 SCT070 BKN090 10/10 Q1008","temp":10,"dewpoint":10,"humidity":100,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:30:00.000Z","obsTimeLocal":"2026-10-31T03:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301830Z 17006KT 9999 FEW008 SCT070 BKN080 10/10 Q1008","temp":10,"dewpoint":10,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:00:00.000Z","obsTimeLocal":"2026-10-31T04:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301900Z 17003KT 140V210 9999 FEW006 SCT070 BKN090 09/09 Q1008","temp":9,"dewpoint":9,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:30:00.000Z","obsTimeLocal":"2026-10-31T04:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301930Z 32005KT 250V010 8000 -RA BR FEW002 SCT004 BKN060 11/11 Q1008","temp":11,"dewpoint":11,"humidity":100,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:00:00.000Z","obsTimeLocal":"2026-10-31T05:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 302000Z VRB02KT 4000 BCFG BR FEW001 SCT002 BKN005 11/11 Q1008","temp":11,"dewpoint":11,"humidity":100,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:30:00.000Z","obsTimeLocal":"2026-10-31T05:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 302030Z 13004KT 3100 BCFG BR FEW001 SCT002 BKN003 11/11 Q1007","temp":11,"dewpoint":11,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T21:00:00.000Z","obsTimeLocal":"2026-10-31T06:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 302100Z 12003KT 1400 R19R/P2000N R19L/P2000N BCFG BR VV002 11/10 Q1007","temp":11,"dewpoint":10,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T21:30:00.000Z","obsTimeLocal":"2026-10-31T06:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 302130Z VRB01KT 0500 R19R/P2000N R19L/P2000N FG VV001 11/11 Q1007","temp":11,"dewpoint":11,"humidity":100,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:00:00.000Z","obsTimeLocal":"2026-10-31T07:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 302200Z VRB01KT 0200 R19R/0650N R19L/0600V0800N FG VV001 11/11 Q1007","temp":11,"dewpoint":11,"humidity":100,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:30:00.000Z","obsTimeLocal":"2026-10-31T07:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 302230Z VRB02KT 0200 R19R/0600V1200U R19L/0400V0900U FG VV001 11/11 Q1008","temp":11,"dewpoint":11,"humidity":100,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:00:00.000Z","obsTimeLocal":"2026-10-31T08:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 302300Z 16004KT 0900 R19R/1000VP2000N R19L/0900VP2000U FG FEW000 SCT001 BKN002 11/11 Q1007","temp":11,"dewpoint":11,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:30:00.000Z","obsTimeLocal":"2026-10-31T08:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 302330Z 12003KT 090V160 8000 PRFG FEW002 BKN150 12/12 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Q1005","temp":18,"dewpoint":4,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:00:00.000Z","obsTimeLocal":"2026-10-31T12:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310300Z 25010KT 210V030 9999 FEW020 18/04 Q1004","temp":18,"dewpoint":4,"humidity":39,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:30:00.000Z","obsTimeLocal":"2026-10-31T12:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310330Z 21010KT 170V240 9999 FEW020 17/04 Q1004","temp":17,"dewpoint":4,"humidity":42,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:00:00.000Z","obsTimeLocal":"2026-10-31T13:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310400Z 24011KT 9999 FEW020 SCT060 17/06 Q1004","temp":17,"dewpoint":6,"humidity":48,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:30:00.000Z","obsTimeLocal":"2026-10-31T13:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310430Z 22009KT 160V270 9999 -SHRA FEW020 BKN060 16/05 Q1004","temp":16,"dewpoint":5,"humidity":48,"wind":4.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:00:00.000Z","obsTimeLocal":"2026-10-31T14:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310500Z 33011KT 9999 -SHRA FEW020 BKN060 13/08 Q1004","temp":13,"dewpoint":8,"humidity":72,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:30:00.000Z","obsTimeLocal":"2026-10-31T14:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310530Z 35006KT 9999 -SHRA FEW015 BKN060 13/08 Q1004","temp":13,"dewpoint":8,"humidity":72,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T06:00:00.000Z","obsTimeLocal":"2026-10-31T15:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310600Z VRB02KT 9999 FEW015 SCT100 13/08 Q1004","temp":13,"dewpoint":8,"humidity":72,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T06:30:00.000Z","obsTimeLocal":"2026-10-31T15:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310630Z 10006KT 9999 -SHRA FEW015 BKN060 BKN080 12/08 Q1005","temp":12,"dewpoint":8,"humidity":77,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T07:00:00.000Z","obsTimeLocal":"2026-10-31T16:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310700Z 35011KT 9999 -SHRA FEW010 SCT020 BKN050 12/09 Q1005","temp":12,"dewpoint":9,"humidity":82,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T07:30:00.000Z","obsTimeLocal":"2026-10-31T16:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310730Z 35013KT 9999 VCSH FEW007 SCT015 BKN050 10/08 Q1006","temp":10,"dewpoint":8,"humidity":87,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T08:00:00.000Z","obsTimeLocal":"2026-10-31T17:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310800Z 34017KT 9999 FEW007 SCT050 09/06 Q1006","temp":9,"dewpoint":6,"humidity":81,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T08:30:00.000Z","obsTimeLocal":"2026-10-31T17:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310830Z 34017G27KT 9999 FEW007 SCT050 08/05 Q1007","temp":8,"dewpoint":5,"humidity":81,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T09:00:00.000Z","obsTimeLocal":"2026-10-31T18:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 310900Z 34015KT 9999 FEW010 08/05 Q1007","temp":8,"dewpoint":5,"humidity":81,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T09:30:00.000Z","obsTimeLocal":"2026-10-31T18:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 310930Z 34009KT 9999 FEW010 SCT060 07/04 Q1008","temp":7,"dewpoint":4,"humidity":81,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T10:00:00.000Z","obsTimeLocal":"2026-10-31T19:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311000Z 35009KT 9999 FEW010 BKN050 08/04 Q1008","temp":8,"dewpoint":4,"humidity":76,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T10:30:00.000Z","obsTimeLocal":"2026-10-31T19:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 311030Z 02006KT 9999 FEW010 SCT050 07/03 Q1009","temp":7,"dewpoint":3,"humidity":76,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T11:00:00.000Z","obsTimeLocal":"2026-10-31T20:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311100Z 36007KT 9999 FEW010 07/03 Q1009","temp":7,"dewpoint":3,"humidity":76,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T11:30:00.000Z","obsTimeLocal":"2026-10-31T20:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 311130Z 35004KT 9999 FEW010 06/02 Q1009","temp":6,"dewpoint":2,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:00:00.000Z","obsTimeLocal":"2026-10-31T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311200Z 01005KT 310V040 9999 FEW010 SCT060 05/01 Q1010","temp":5,"dewpoint":1,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:30:00.000Z","obsTimeLocal":"2026-10-31T21:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 311230Z 32006KT 290V360 9999 FEW010 BKN060 06/00 Q1010","temp":6,"dewpoint":0,"humidity":65,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:00:00.000Z","obsTimeLocal":"2026-10-31T22:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311300Z 33003KT 270V020 9999 FEW010 BKN060 07/M02 Q1010","temp":7,"dewpoint":-2,"humidity":53,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:30:00.000Z","obsTimeLocal":"2026-10-31T22:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 311330Z 36003KT 310V040 9999 FEW010 BKN060 06/M02 Q1010","temp":6,"dewpoint":-2,"humidity":57,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:00:00.000Z","obsTimeLocal":"2026-10-31T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 311400Z VRB02KT 9999 FEW010 BKN060 06/M01 Q1010","temp":6,"dewpoint":-1,"humidity":61,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:30:00.000Z","obsTimeLocal":"2026-10-31T23:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 311430Z VRB01KT 9999 FEW010 BKN070 05/M00 Q1010","temp":5,"dewpoint":0,"humidity":70,"wind":0.5,"precipObserved":false,"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/2026-10-31","json":"https://weathermarket.io/api/station/RJCC/2026-10-31","record":"https://weathermarket.io/api/station/RJCC/2026-10-31?format=record","prev":"https://weathermarket.io/station/RJCC/2026-10-30","next":"https://weathermarket.io/station/RJCC/2026-11-01","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=30&year2=2026&month2=11&day2=1&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=30&hora=15&anof=2026&mesf=10&dayf=31&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}