{"station":{"icao":"RJFF","city":{"slug":"fukuoka","name":"Fukuoka","country":"Japan"},"timezone":"Asia/Tokyo","lat":33.59,"lon":130.4,"us":false,"html":"https://weathermarket.io/station/RJFF","json":"https://weathermarket.io/api/station/RJFF","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":20,"tmaxAt":"2026-10-28T03:00:00.000Z","tmin":12,"tminAt":"2026-10-27T21:00:00.000Z","tavg":16.1,"humidityMean":57.8,"windMean":3.2,"windMax":6.7,"windMaxAt":"2026-10-27T17:30:00.000Z","precipObservedCount":0,"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":"2026-10-28T03:00:00.000Z","obsTimeLocal":"2026-10-28T12:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280300Z 01009KT 330V060 9999 FEW040 SCT050 20/08 Q1023 NOSIG","temp":20,"dewpoint":8,"humidity":46,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-27T21:00:00.000Z","obsTimeLocal":"2026-10-28T06:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 272100Z VRB01KT 9999 FEW030 12/07 Q1021 BECMG 35008KT","temp":12,"dewpoint":7,"humidity":71,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-27T17:30:00.000Z","obsTimeLocal":"2026-10-28T02:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 271730Z AUTO 33013KT 9999 NCD 17/05 Q1020 NOSIG","temp":17,"dewpoint":5,"humidity":45,"wind":6.7,"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":"3a0e5fde8b732f48","lastChangedAt":"2026-10-28T14:39:39.061Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJFF/2026-10-28?format=record","status":"anchored","sha256":"5ba3fef8d0c8e6e3bb9fd86a5a19137726363fde3124e64e614ce6c7d32ec3fe","revision":"3a0e5fde8b732f48","flareTxHash":"0xfc409de30066ba2a117c10b5f8cff8f3bccee0d6a56fdccc79e1215c0ad5d2c2","flareBlock":73857007,"anchoredAt":"2026-11-06T04:01:25.275Z","explorer":"https://flare-explorer.flare.network/tx/0xfc409de30066ba2a117c10b5f8cff8f3bccee0d6a56fdccc79e1215c0ad5d2c2","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":"2026-10-28T03:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-27T21:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"tmin":12,"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 RJFF 271500Z AUTO 33010KT 9999 NCD 16/06 Q1019 NOSIG","temp":16,"dewpoint":6,"humidity":51,"wind":5.1,"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 RJFF 271530Z AUTO 33012KT 9999 NCD 17/05 Q1019 NOSIG","temp":17,"dewpoint":5,"humidity":45,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T16:00:00.000Z","obsTimeLocal":"2026-10-28T01:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 271600Z AUTO 06005KT 020V100 9999 NCD 16/06 Q1019 BECMG 34012KT","temp":16,"dewpoint":6,"humidity":51,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T16:30:00.000Z","obsTimeLocal":"2026-10-28T01:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 271630Z AUTO 33012KT 9999 NCD 16/05 Q1020 NOSIG","temp":16,"dewpoint":5,"humidity":48,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T17:00:00.000Z","obsTimeLocal":"2026-10-28T02:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 271700Z AUTO 34010KT 9999 NCD 16/05 Q1020 NOSIG","temp":16,"dewpoint":5,"humidity":48,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T17:30:00.000Z","obsTimeLocal":"2026-10-28T02:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 271730Z AUTO 33013KT 9999 NCD 17/05 Q1020 NOSIG","temp":17,"dewpoint":5,"humidity":45,"wind":6.7,"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 RJFF 271800Z AUTO 33012KT 9999 NCD 17/05 Q1020 NOSIG","temp":17,"dewpoint":5,"humidity":45,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T18:30:00.000Z","obsTimeLocal":"2026-10-28T03:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 271830Z AUTO 34009KT 9999 NCD 15/06 Q1020 NOSIG","temp":15,"dewpoint":6,"humidity":55,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T19:00:00.000Z","obsTimeLocal":"2026-10-28T04:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 271900Z AUTO 03005KT 340V060 9999 NSC 15/06 Q1020 NOSIG","temp":15,"dewpoint":6,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T19:30:00.000Z","obsTimeLocal":"2026-10-28T04:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 271930Z AUTO 05004KT 030V090 9999 NCD 14/06 Q1020 NOSIG","temp":14,"dewpoint":6,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T20:00:00.000Z","obsTimeLocal":"2026-10-28T05:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 272000Z AUTO 06003KT 020V100 9999 NCD 14/06 Q1021 BECMG 35008KT","temp":14,"dewpoint":6,"humidity":59,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T20:30:00.000Z","obsTimeLocal":"2026-10-28T05:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 272030Z AUTO 04003KT 9999 NCD 14/06 Q1021 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NOSIG","temp":12,"dewpoint":7,"humidity":71,"wind":2.1,"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 RJFF 272230Z VRB01KT 9999 FEW030 13/08 Q1022 BECMG 36008KT","temp":13,"dewpoint":8,"humidity":72,"wind":0.5,"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 RJFF 272300Z VRB02KT 9999 FEW030 SCT040 14/09 Q1023 BECMG 36006KT","temp":14,"dewpoint":9,"humidity":72,"wind":1,"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 RJFF 272330Z VRB02KT 9999 FEW030 SCT040 16/09 Q1023 BECMG 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NOSIG","temp":19,"dewpoint":7,"humidity":46,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T03:00:00.000Z","obsTimeLocal":"2026-10-28T12:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280300Z 01009KT 330V060 9999 FEW040 SCT050 20/08 Q1023 NOSIG","temp":20,"dewpoint":8,"humidity":46,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T03:30:00.000Z","obsTimeLocal":"2026-10-28T12:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280330Z 01010KT 9999 FEW040 SCT050 20/08 Q1022 NOSIG","temp":20,"dewpoint":8,"humidity":46,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T04:00:00.000Z","obsTimeLocal":"2026-10-28T13:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280400Z 36012KT 330V030 9999 FEW040 SCT050 19/07 Q1022 NOSIG","temp":19,"dewpoint":7,"humidity":46,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T04:30:00.000Z","obsTimeLocal":"2026-10-28T13:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280430Z 36008KT 320V050 9999 FEW040 SCT050 20/07 Q1022 NOSIG","temp":20,"dewpoint":7,"humidity":43,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T05:00:00.000Z","obsTimeLocal":"2026-10-28T14:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280500Z 35010KT 320V040 9999 FEW040 20/08 Q1022 NOSIG","temp":20,"dewpoint":8,"humidity":46,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T05:30:00.000Z","obsTimeLocal":"2026-10-28T14:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280530Z 35009KT 310V030 9999 FEW040 20/07 Q1022 NOSIG","temp":20,"dewpoint":7,"humidity":43,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T06:00:00.000Z","obsTimeLocal":"2026-10-28T15:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280600Z 35010KT 310V030 9999 FEW040 20/07 Q1022 NOSIG","temp":20,"dewpoint":7,"humidity":43,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T06:30:00.000Z","obsTimeLocal":"2026-10-28T15:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280630Z 35008KT 300V030 9999 FEW040 19/06 Q1022 NOSIG","temp":19,"dewpoint":6,"humidity":43,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:00:00.000Z","obsTimeLocal":"2026-10-28T16:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280700Z 01008KT 330V050 9999 FEW040 19/07 Q1022 NOSIG","temp":19,"dewpoint":7,"humidity":46,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:30:00.000Z","obsTimeLocal":"2026-10-28T16:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280730Z 01009KT 340V050 9999 FEW040 19/08 Q1022 NOSIG","temp":19,"dewpoint":8,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:00:00.000Z","obsTimeLocal":"2026-10-28T17:00:00+09:00","metarType":"METAR","raw":"METAR RJFF 280800Z 01009KT 9999 FEW040 18/07 Q1022 NOSIG","temp":18,"dewpoint":7,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:30:00.000Z","obsTimeLocal":"2026-10-28T17:30:00+09:00","metarType":"METAR","raw":"METAR RJFF 280830Z 36008KT 9999 FEW030 17/08 Q1023 NOSIG","temp":17,"dewpoint":8,"humidity":55,"wind":4.1,"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 RJFF 280900Z 01007KT 9999 FEW030 17/08 Q1023 NOSIG","temp":17,"dewpoint":8,"humidity":55,"wind":3.6,"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 RJFF 280930Z 04005KT 360V090 9999 FEW030 16/08 Q1023 BECMG 08004KT","temp":16,"dewpoint":8,"humidity":59,"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 RJFF 281000Z 03004KT 360V070 9999 FEW030 15/08 Q1023 NOSIG","temp":15,"dewpoint":8,"humidity":63,"wind":2.1,"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 RJFF 281030Z 03004KT 350V070 CAVOK 15/08 Q1024 NOSIG","temp":15,"dewpoint":8,"humidity":63,"wind":2.1,"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 RJFF 281100Z VRB02KT CAVOK 15/08 Q1023 NOSIG","temp":15,"dewpoint":8,"humidity":63,"wind":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 RJFF 281130Z VRB02KT CAVOK 14/08 Q1024 NOSIG","temp":14,"dewpoint":8,"humidity":67,"wind":1,"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 RJFF 281200Z 05004KT 010V080 CAVOK 13/08 Q1024 NOSIG","temp":13,"dewpoint":8,"humidity":72,"wind":2.1,"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 RJFF 281230Z 14003KT 100V170 CAVOK 13/09 Q1024 NOSIG","temp":13,"dewpoint":9,"humidity":77,"wind":1.5,"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 RJFF 281300Z 10003KT 070V160 CAVOK 12/09 Q1024 NOSIG","temp":12,"dewpoint":9,"humidity":82,"wind":1.5,"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 RJFF 281330Z 13003KT CAVOK 13/09 Q1024 NOSIG","temp":13,"dewpoint":9,"humidity":77,"wind":1.5,"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 RJFF 281400Z AUTO 14001KT 9999 NCD 12/09 Q1024 NOSIG","temp":12,"dewpoint":9,"humidity":82,"wind":0.5,"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 RJFF 281430Z AUTO VRB02KT 9999 NCD 12/09 Q1023 NOSIG","temp":12,"dewpoint":9,"humidity":82,"wind":1,"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/RJFF/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/RJFF/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for RJFF for the contract date (station-local calendar day), as published at https://weathermarket.io/station/RJFF/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/RJFF/2026-10-28","json":"https://weathermarket.io/api/station/RJFF/2026-10-28","record":"https://weathermarket.io/api/station/RJFF/2026-10-28?format=record","prev":"https://weathermarket.io/station/RJFF/2026-10-27","next":"https://weathermarket.io/station/RJFF/2026-10-29","station":"https://weathermarket.io/station/RJFF","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=RJFF&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=RJFF&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=RJFF"}}}