{"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":"2026-10-30","window":{"date":"2026-10-30","timezone":"Asia/Tokyo","dayStartUtc":"2026-10-29T15:00:00.000Z","dayEndUtc":"2026-10-30T15:00:00.000Z","utcOffsetStart":"+09:00","utcOffsetEnd":"+09:00","hours":24},"complete":true,"values":{"tmax":17,"tmaxAt":"2026-10-30T03:30:00.000Z","tmin":6,"tminAt":"2026-10-29T20:30:00.000Z","tavg":11.8,"humidityMean":87.8,"windMean":4.4,"windMax":8.2,"windMaxAt":"2026-10-30T02:00:00.000Z","precipObservedCount":2,"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":"2026-10-30T03:30:00.000Z","obsTimeLocal":"2026-10-30T12:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300330Z 17015KT 9999 FEW015 SCT020 17/11 Q1014","temp":17,"dewpoint":11,"humidity":68,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-29T20:30:00.000Z","obsTimeLocal":"2026-10-30T05:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 292030Z 14003KT 090V160 9999 R19R/0550VP2000D R19L/0700VP2000D PRFG FEW001 SCT070 06/06 Q1017","temp":6,"dewpoint":6,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-30T02:00:00.000Z","obsTimeLocal":"2026-10-30T11:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300200Z 17016KT 9999 FEW015 SCT020 16/10 Q1015","temp":16,"dewpoint":10,"humidity":68,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-30T18:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"e2c4505df9227662","lastChangedAt":"2026-10-30T14:39:49.902Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/RJCC/2026-10-30?format=record","status":"anchored","sha256":"ec00adefa82d84db96c3267fba0a8aae0edc0f4bdd5dcbf5b09cb26b507683c6","revision":"e2c4505df9227662","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":"2026-10-30T03:30:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-29T20:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17,"tmin":6,"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":"2026-10-29T15:00:00.000Z","obsTimeLocal":"2026-10-30T00:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291500Z 15012KT 8000 -SHRA FEW010 SCT030 BKN080 10/09 Q1016","temp":10,"dewpoint":9,"humidity":94,"wind":6.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T15:30:00.000Z","obsTimeLocal":"2026-10-30T00:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291530Z 17009KT 9999 FEW010 BKN100 09/08 Q1016","temp":9,"dewpoint":8,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T16:00:00.000Z","obsTimeLocal":"2026-10-30T01:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291600Z 18009KT 9999 FEW010 BKN100 09/08 Q1017","temp":9,"dewpoint":8,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T16:30:00.000Z","obsTimeLocal":"2026-10-30T01:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291630Z 16008KT 9999 FEW010 BKN100 08/08 Q1017","temp":8,"dewpoint":8,"humidity":100,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T17:00:00.000Z","obsTimeLocal":"2026-10-30T02:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291700Z 16009KT 9999 FEW010 SCT050 BKN100 09/09 Q1017","temp":9,"dewpoint":9,"humidity":100,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T17:30:00.000Z","obsTimeLocal":"2026-10-30T02:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291730Z 16007KT 9999 FEW010 BKN110 09/08 Q1017","temp":9,"dewpoint":8,"humidity":93,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T18:00:00.000Z","obsTimeLocal":"2026-10-30T03:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291800Z 13003KT 9999 FEW010 SCT060 BKN110 09/08 Q1017","temp":9,"dewpoint":8,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T18:30:00.000Z","obsTimeLocal":"2026-10-30T03:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291830Z 18007KT 9999 FEW010 BKN100 09/09 Q1017","temp":9,"dewpoint":9,"humidity":100,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T19:00:00.000Z","obsTimeLocal":"2026-10-30T04:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 291900Z 14004KT 9999 -RA FEW010 SCT060 BKN120 10/09 Q1016","temp":10,"dewpoint":9,"humidity":94,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T19:30:00.000Z","obsTimeLocal":"2026-10-30T04:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 291930Z VRB01KT 9999 FEW010 BKN160 10/09 Q1016","temp":10,"dewpoint":9,"humidity":94,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T20:00:00.000Z","obsTimeLocal":"2026-10-30T05:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 292000Z 22003KT 9999 R19R/P2000N R19L/2000N BCFG FEW001 BKN140 07/07 Q1017","temp":7,"dewpoint":7,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T20:30:00.000Z","obsTimeLocal":"2026-10-30T05:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 292030Z 14003KT 090V160 9999 R19R/0550VP2000D R19L/0700VP2000D PRFG FEW001 SCT070 06/06 Q1017","temp":6,"dewpoint":6,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T21:00:00.000Z","obsTimeLocal":"2026-10-30T06:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 292100Z 17008KT 9999 R19R/P2000N R19L/P2000N PRFG FEW001 SCT150 07/07 Q1017","temp":7,"dewpoint":7,"humidity":100,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T21:30:00.000Z","obsTimeLocal":"2026-10-30T06:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 292130Z 16006KT 9999 R19R/P2000N R19L/P2000N BCFG FEW001 SCT150 07/07 Q1017","temp":7,"dewpoint":7,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T22:00:00.000Z","obsTimeLocal":"2026-10-30T07:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 292200Z 17010KT 9999 FEW001 SCT015 BKN020 10/10 Q1017","temp":10,"dewpoint":10,"humidity":100,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T22:30:00.000Z","obsTimeLocal":"2026-10-30T07:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 292230Z 17010KT 9999 FEW005 SCT020 BKN080 12/11 Q1017","temp":12,"dewpoint":11,"humidity":94,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T23:00:00.000Z","obsTimeLocal":"2026-10-30T08:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 292300Z 16012KT 9999 FEW005 BKN070 13/12 Q1016","temp":13,"dewpoint":12,"humidity":94,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T23:30:00.000Z","obsTimeLocal":"2026-10-30T08:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 292330Z 16011KT 9999 FEW008 SCT070 14/11 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Q1014","temp":17,"dewpoint":10,"humidity":63,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T04:30:00.000Z","obsTimeLocal":"2026-10-30T13:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300430Z 16013KT 9999 FEW015 SCT020 16/11 Q1014","temp":16,"dewpoint":11,"humidity":72,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T05:00:00.000Z","obsTimeLocal":"2026-10-30T14:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300500Z 16015KT 9999 FEW015 SCT020 BKN/// 16/11 Q1013","temp":16,"dewpoint":11,"humidity":72,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T05:30:00.000Z","obsTimeLocal":"2026-10-30T14:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300530Z 16013KT 9999 FEW015 SCT020 BKN/// 15/11 Q1013","temp":15,"dewpoint":11,"humidity":77,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T06:00:00.000Z","obsTimeLocal":"2026-10-30T15:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300600Z 16013KT 9999 FEW020 SCT080 BKN/// 15/11 Q1013","temp":15,"dewpoint":11,"humidity":77,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T06:30:00.000Z","obsTimeLocal":"2026-10-30T15:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300630Z 15012KT 9999 FEW020 BKN/// 15/11 Q1013","temp":15,"dewpoint":11,"humidity":77,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T07:00:00.000Z","obsTimeLocal":"2026-10-30T16:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300700Z 16011KT 9999 FEW015 SCT/// 14/11 Q1013","temp":14,"dewpoint":11,"humidity":82,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T07:30:00.000Z","obsTimeLocal":"2026-10-30T16:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300730Z 16008KT 9999 FEW015 SCT020 14/11 Q1013","temp":14,"dewpoint":11,"humidity":82,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:00:00.000Z","obsTimeLocal":"2026-10-30T17:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300800Z 16008KT 9999 FEW015 SCT020 BKN060 13/11 Q1013","temp":13,"dewpoint":11,"humidity":88,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:30:00.000Z","obsTimeLocal":"2026-10-30T17:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300830Z 16008KT 9999 FEW015 SCT040 BKN060 13/11 Q1013","temp":13,"dewpoint":11,"humidity":88,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T09:00:00.000Z","obsTimeLocal":"2026-10-30T18:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 300900Z 16008KT 9999 FEW015 SCT035 BKN045 14/11 Q1013","temp":14,"dewpoint":11,"humidity":82,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T09:30:00.000Z","obsTimeLocal":"2026-10-30T18:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 300930Z 15007KT 9999 FEW015 BKN040 13/11 Q1013","temp":13,"dewpoint":11,"humidity":88,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:00:00.000Z","obsTimeLocal":"2026-10-30T19:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301000Z 16004KT 9999 FEW015 SCT025 BKN050 12/10 Q1013","temp":12,"dewpoint":10,"humidity":88,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:30:00.000Z","obsTimeLocal":"2026-10-30T19:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301030Z 15004KT 9999 FEW015 SCT030 11/10 Q1012","temp":11,"dewpoint":10,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:00:00.000Z","obsTimeLocal":"2026-10-30T20:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301100Z VRB01KT 9999 FEW015 SCT030 11/10 Q1012","temp":11,"dewpoint":10,"humidity":94,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:30:00.000Z","obsTimeLocal":"2026-10-30T20:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301130Z 16003KT 9999 FEW015 BKN030 10/09 Q1012","temp":10,"dewpoint":9,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T12:00:00.000Z","obsTimeLocal":"2026-10-30T21:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301200Z 15003KT 9999 FEW015 SCT030 11/10 Q1012","temp":11,"dewpoint":10,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T12:30:00.000Z","obsTimeLocal":"2026-10-30T21:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301230Z 16005KT 9999 SCT015 09/09 Q1012","temp":9,"dewpoint":9,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:00:00.000Z","obsTimeLocal":"2026-10-30T22:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301300Z 17005KT 9999 R19R/P2000N R19L/P2000N PRFG BKN015 11/10 Q1011","temp":11,"dewpoint":10,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:30:00.000Z","obsTimeLocal":"2026-10-30T22:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301330Z 17005KT 9999 R19R/P2000N R19L/P2000N PRFG SCT015 08/08 Q1011","temp":8,"dewpoint":8,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T14:00:00.000Z","obsTimeLocal":"2026-10-30T23:00:00+09:00","metarType":"METAR","raw":"METAR RJCC 301400Z 17005KT 9999 R19R/P2000N R19L/P2000N PRFG FEW015 08/08 Q1011","temp":8,"dewpoint":8,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T14:30:00.000Z","obsTimeLocal":"2026-10-30T23:30:00+09:00","metarType":"METAR","raw":"METAR RJCC 301430Z 17006KT 9999 R19R/P2000N R19L/P2000N PRFG FEW005 BKN014 08/08 Q1010","temp":8,"dewpoint":8,"humidity":100,"wind":3.1,"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/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/2026-10-30","json":"https://weathermarket.io/api/station/RJCC/2026-10-30","record":"https://weathermarket.io/api/station/RJCC/2026-10-30?format=record","prev":"https://weathermarket.io/station/RJCC/2026-10-29","next":"https://weathermarket.io/station/RJCC/2026-10-31","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=29&year2=2026&month2=10&day2=31&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=29&hora=15&anof=2026&mesf=10&dayf=30&horaf=14&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=RJCC"}}}