{"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":"2026-11-09","window":{"date":"2026-11-09","timezone":"Asia/Tokyo","dayStartUtc":"2026-11-08T15:00:00.000Z","dayEndUtc":"2026-11-09T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":true,"values":{"tmax":4,"tmaxAt":"2026-11-09T00:00:00.000Z","tmin":-3,"tminAt":"2026-11-09T14:00:00.000Z","tavg":-0.3,"humidityMean":85.6,"windMean":2.4,"windMax":6.2,"windMaxAt":"2026-11-09T02:00:00.000Z","precipObservedCount":21,"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":"2026-11-09T00:00:00.000Z","obsTimeLocal":"2026-11-09T09:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 090000Z VRB02KT 9999 FEW020 BKN050 04/M03 Q1026","temp":4,"dewpoint":-3,"humidity":60,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-09T14:00:00.000Z","obsTimeLocal":"2026-11-09T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091400Z 01003KT 9999 FEW010 SCT050 BKN080 M03/M04 Q1022","temp":-3,"dewpoint":-4,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-09T02:00:00.000Z","obsTimeLocal":"2026-11-09T11:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 090200Z 35012KT 5000 -SHSN FEW020 BKN040 03/M03 Q1025","temp":3,"dewpoint":-3,"humidity":65,"wind":6.2,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-09T18:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"6084f5ccb7d0ed05","lastChangedAt":"2026-11-09T14:39:40.268Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-11-09?format=record","status":"anchored","sha256":"141222174b03b9ed73012e06c034313a1698aaee12da66288281c3f2404c7b66","revision":"6084f5ccb7d0ed05","flareTxHash":"0x0202e2dc94055c19266984371c0f68e1407652613d657292b25c43de83e4416f","flareBlock":74143308,"anchoredAt":"2026-11-09T18:01:30.044Z","explorer":"https://flare-explorer.flare.network/tx/0x0202e2dc94055c19266984371c0f68e1407652613d657292b25c43de83e4416f","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":"2026-11-09T00:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-09T14:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":4,"tmin":-3,"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":"2026-11-08T15:00:00.000Z","obsTimeLocal":"2026-11-09T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 081500Z VRB02KT 9999 FEW020 BKN050 M01/M02 Q1028","temp":-1,"dewpoint":-2,"humidity":93,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T15:30:00.000Z","obsTimeLocal":"2026-11-09T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 081530Z 12003KT 080V170 9999 FEW020 BKN050 M01/M02 Q1028","temp":-1,"dewpoint":-2,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T16:00:00.000Z","obsTimeLocal":"2026-11-09T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 081600Z VRB02KT 9999 FEW020 BKN050 M01/M02 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Q1023","temp":0,"dewpoint":-1,"humidity":93,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T06:00:00.000Z","obsTimeLocal":"2026-11-09T15:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 090600Z 02005KT 1600 -SHSN FEW003 SCT010 BKN035 00/M01 Q1023","temp":0,"dewpoint":-1,"humidity":93,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T06:30:00.000Z","obsTimeLocal":"2026-11-09T15:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 090630Z 01010KT 1200 R01L/2000N R01R/P2000N -SHSN FEW003 BKN010 BKN015 M00/M01 Q1023","temp":0,"dewpoint":-1,"humidity":93,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T07:00:00.000Z","obsTimeLocal":"2026-11-09T16:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 090700Z 02008KT 1000 R01L/1800D R01R/1800D -SHSN FEW003 BKN009 BKN015 M01/M01 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Q1023","temp":-1,"dewpoint":-2,"humidity":93,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T09:00:00.000Z","obsTimeLocal":"2026-11-09T18:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 090900Z 02007KT 5000 -SHSN FEW003 BKN012 BKN020 M01/M02 Q1024","temp":-1,"dewpoint":-2,"humidity":93,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T09:30:00.000Z","obsTimeLocal":"2026-11-09T18:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 090930Z 01007KT 1800 R01L/P2000N R01R/P2000N -SHSN FEW003 BKN006 BKN012 M01/M02 Q1024","temp":-1,"dewpoint":-2,"humidity":93,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T10:00:00.000Z","obsTimeLocal":"2026-11-09T19:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091000Z 01007KT 2400 -SHSN FEW003 SCT006 BKN010 M02/M03 Q1024","temp":-2,"dewpoint":-3,"humidity":93,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T10:30:00.000Z","obsTimeLocal":"2026-11-09T19:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 091030Z 01008KT 8000 -SHSN FEW005 SCT025 BKN040 M01/M03 Q1024","temp":-1,"dewpoint":-3,"humidity":86,"wind":4.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T11:00:00.000Z","obsTimeLocal":"2026-11-09T20:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091100Z 02005KT 9999 -SHSN FEW010 SCT025 BKN040 M02/M03 Q1024","temp":-2,"dewpoint":-3,"humidity":93,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T11:30:00.000Z","obsTimeLocal":"2026-11-09T20:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 091130Z 03006KT 9999 -SHSN FEW010 SCT050 BKN070 M02/M03 Q1024","temp":-2,"dewpoint":-3,"humidity":93,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T12:00:00.000Z","obsTimeLocal":"2026-11-09T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091200Z 02003KT 9999 -SHSN FEW010 SCT050 BKN070 M02/M04 Q1023","temp":-2,"dewpoint":-4,"humidity":86,"wind":1.5,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T12:30:00.000Z","obsTimeLocal":"2026-11-09T21:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 091230Z 02005KT 9999 FEW010 BKN050 BKN070 M02/M04 Q1023","temp":-2,"dewpoint":-4,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T13:00:00.000Z","obsTimeLocal":"2026-11-09T22:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091300Z 04003KT 9999 FEW010 BKN050 BKN070 M02/M04 Q1023","temp":-2,"dewpoint":-4,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T13:30:00.000Z","obsTimeLocal":"2026-11-09T22:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 091330Z 02003KT 9999 FEW010 SCT050 BKN070 M02/M04 Q1023","temp":-2,"dewpoint":-4,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T14:00:00.000Z","obsTimeLocal":"2026-11-09T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 091400Z 01003KT 9999 FEW010 SCT050 BKN080 M03/M04 Q1022","temp":-3,"dewpoint":-4,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T14:30:00.000Z","obsTimeLocal":"2026-11-09T23:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 091430Z 09003KT 040V120 9999 FEW010 SCT050 BKN080 M03/M04 Q1022","temp":-3,"dewpoint":-4,"humidity":93,"wind":1.5,"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/2026-11-09","json":"https://weathermarket.io/api/station/RJCC/2026-11-09","record":"https://weathermarket.io/api/station/RJCC/2026-11-09?format=record","prev":"https://weathermarket.io/station/RJCC/2026-11-08","next":"https://weathermarket.io/station/RJCC/2026-11-10","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=8&year2=2026&month2=11&day2=10&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=8&hora=15&anof=2026&mesf=11&dayf=9&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}