{"station":{"icao":"OPIS","city":{"slug":"islamabad","name":"Islamabad","country":"Pakistan"},"timezone":"Asia/Karachi","lat":33.69,"lon":73.06,"us":false,"html":"https://weathermarket.io/station/OPIS","json":"https://weathermarket.io/api/station/OPIS","nwsCli":null},"date":"2026-10-28","window":{"date":"2026-10-28","timezone":"Asia/Karachi","dayStartUtc":"2026-10-27T19:00:00.000Z","dayEndUtc":"2026-10-28T19:00:00.000Z","utcOffsetStart":"+05:00","utcOffsetEnd":"+05:00","hours":24},"complete":true,"values":{"tmax":28,"tmaxAt":"2026-10-28T08:00:00.000Z","tmin":12,"tminAt":"2026-10-27T23:00:00.000Z","tavg":18.9,"humidityMean":62.5,"windMean":2.9,"windMax":6.2,"windMaxAt":"2026-10-28T06:00:00.000Z","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":"2026-10-28T08:00:00.000Z","obsTimeLocal":"2026-10-28T13:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280800Z 27010KT 7000 NSC 28/11 Q1018 NOSIG","temp":28,"dewpoint":11,"humidity":35,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-27T23:00:00.000Z","obsTimeLocal":"2026-10-28T04:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 272300Z 13006KT 5000 FU NSC 12/11 Q1018 NOSIG","temp":12,"dewpoint":11,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-28T06:00:00.000Z","obsTimeLocal":"2026-10-28T11:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280600Z 31012KT 6000 NSC 26/06 Q1019 NOSIG","temp":26,"dewpoint":6,"humidity":28,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-28T22:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"8735f9853a14de1b","lastChangedAt":"2026-10-28T18:31:50.642Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/OPIS/2026-10-28?format=record","status":"anchored","sha256":"b309b5a41e891b5306849530f08b6bedbcc793d93984462c3223bce954cd9c9f","revision":"8735f9853a14de1b","flareTxHash":"0x56a4eb85ae7560de93697b2428d7882eb656a70bf30ac28229740427adff1342","flareBlock":73816323,"anchoredAt":"2026-11-05T16:02:06.167Z","explorer":"https://flare-explorer.flare.network/tx/0x56a4eb85ae7560de93697b2428d7882eb656a70bf30ac28229740427adff1342","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":"2026-10-28T08:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-27T23:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":28,"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":"2026-10-27T19:00:00.000Z","obsTimeLocal":"2026-10-28T00:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 271900Z 00000KT 6000 NSC 15/12 Q1019 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T19:30:00.000Z","obsTimeLocal":"2026-10-28T00:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 271930Z 00000KT 6000 NSC 15/12 Q1019 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T20:00:00.000Z","obsTimeLocal":"2026-10-28T01:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 272000Z 09006KT 6000 NSC 14/11 Q1019 NOSIG","temp":14,"dewpoint":11,"humidity":82,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T20:30:00.000Z","obsTimeLocal":"2026-10-28T01:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 272030Z 13006KT 6000 NSC 14/11 Q1019 NOSIG","temp":14,"dewpoint":11,"humidity":82,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T21:00:00.000Z","obsTimeLocal":"2026-10-28T02:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 272100Z 13004KT 6000 NSC 13/11 Q1018 NOSIG","temp":13,"dewpoint":11,"humidity":88,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T21:30:00.000Z","obsTimeLocal":"2026-10-28T02:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 272130Z 13006KT 6000 NSC 13/11 Q1018 NOSIG","temp":13,"dewpoint":11,"humidity":88,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T22:00:00.000Z","obsTimeLocal":"2026-10-28T03:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 272200Z 13006KT 5000 FU NSC 13/11 Q1018 NOSIG","temp":13,"dewpoint":11,"humidity":88,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T22:30:00.000Z","obsTimeLocal":"2026-10-28T03:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 272230Z 13006KT 5000 FU NSC 13/11 Q1018 NOSIG","temp":13,"dewpoint":11,"humidity":88,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T23:00:00.000Z","obsTimeLocal":"2026-10-28T04:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 272300Z 13006KT 5000 FU NSC 12/11 Q1018 NOSIG","temp":12,"dewpoint":11,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T23:30:00.000Z","obsTimeLocal":"2026-10-28T04:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 272330Z 13006KT 5000 FU NSC 12/11 Q1018 NOSIG","temp":12,"dewpoint":11,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T00:00:00.000Z","obsTimeLocal":"2026-10-28T05:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280000Z 00000KT 5000 FU NSC 13/12 Q1018 NOSIG","temp":13,"dewpoint":12,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T00:30:00.000Z","obsTimeLocal":"2026-10-28T05:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280030Z 00000KT 5000 FU NSC 13/12 Q1018 NOSIG","temp":13,"dewpoint":12,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T01:00:00.000Z","obsTimeLocal":"2026-10-28T06:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280100Z 23004KT 5000 FU NSC 12/11 Q1019 NOSIG","temp":12,"dewpoint":11,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T01:30:00.000Z","obsTimeLocal":"2026-10-28T06:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280130Z 23004KT 5000 FU NSC 12/11 Q1019 TEMPO 4000","temp":12,"dewpoint":11,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T02:00:00.000Z","obsTimeLocal":"2026-10-28T07:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280200Z 23006KT 5000 FU NSC 12/11 Q1019 TEMPO 4000","temp":12,"dewpoint":11,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T02:30:00.000Z","obsTimeLocal":"2026-10-28T07:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280230Z 23006KT 5000 FU NSC 15/13 Q1020 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T03:00:00.000Z","obsTimeLocal":"2026-10-28T08:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280300Z 23008KT 5000 FU NSC 17/13 Q1020 NOSIG","temp":17,"dewpoint":13,"humidity":77,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T03:30:00.000Z","obsTimeLocal":"2026-10-28T08:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280330Z 27008KT 5000 FU NSC 19/11 Q1020 NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T04:00:00.000Z","obsTimeLocal":"2026-10-28T09:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280400Z 23008KT 5000 FU NSC 19/10 Q1020 NOSIG","temp":19,"dewpoint":10,"humidity":56,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T04:30:00.000Z","obsTimeLocal":"2026-10-28T09:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280430Z 27008KT 6000 NSC 21/10 Q1020 NOSIG","temp":21,"dewpoint":10,"humidity":49,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T05:00:00.000Z","obsTimeLocal":"2026-10-28T10:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280500Z 27008KT 6000 NSC 23/10 Q1020 NOSIG","temp":23,"dewpoint":10,"humidity":44,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T05:30:00.000Z","obsTimeLocal":"2026-10-28T10:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280530Z 31008KT 6000 NSC 25/08 Q1020 NOSIG","temp":25,"dewpoint":8,"humidity":34,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T06:00:00.000Z","obsTimeLocal":"2026-10-28T11:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280600Z 31012KT 6000 NSC 26/06 Q1019 NOSIG","temp":26,"dewpoint":6,"humidity":28,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T06:30:00.000Z","obsTimeLocal":"2026-10-28T11:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280630Z 31010KT 7000 NSC 27/08 Q1019 NOSIG","temp":27,"dewpoint":8,"humidity":30,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:00:00.000Z","obsTimeLocal":"2026-10-28T12:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280700Z 27010KT 7000 NSC 27/11 Q1019 NOSIG","temp":27,"dewpoint":11,"humidity":37,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:30:00.000Z","obsTimeLocal":"2026-10-28T12:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280730Z 31008KT 7000 NSC 27/10 Q1018 NOSIG","temp":27,"dewpoint":10,"humidity":34,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:00:00.000Z","obsTimeLocal":"2026-10-28T13:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280800Z 27010KT 7000 NSC 28/11 Q1018 NOSIG","temp":28,"dewpoint":11,"humidity":35,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:30:00.000Z","obsTimeLocal":"2026-10-28T13:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280830Z 27008KT 7000 NSC 28/10 Q1017 NOSIG","temp":28,"dewpoint":10,"humidity":32,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:00:00.000Z","obsTimeLocal":"2026-10-28T14:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 280900Z 31010KT 7000 NSC 28/09 Q1017 NOSIG","temp":28,"dewpoint":9,"humidity":30,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:30:00.000Z","obsTimeLocal":"2026-10-28T14:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 280930Z 27010KT 7000 NSC 28/09 Q1016 NOSIG","temp":28,"dewpoint":9,"humidity":30,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:00:00.000Z","obsTimeLocal":"2026-10-28T15:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281000Z 27006KT 7000 NSC 28/09 Q1016 NOSIG","temp":28,"dewpoint":9,"humidity":30,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:30:00.000Z","obsTimeLocal":"2026-10-28T15:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281030Z 27008KT 7000 NSC 27/08 Q1016 NOSIG","temp":27,"dewpoint":8,"humidity":30,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:00:00.000Z","obsTimeLocal":"2026-10-28T16:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281100Z 27006KT 6000 NSC 27/08 Q1016 NOSIG","temp":27,"dewpoint":8,"humidity":30,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:30:00.000Z","obsTimeLocal":"2026-10-28T16:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281130Z 27010KT 6000 NSC 26/11 Q1016 NOSIG","temp":26,"dewpoint":11,"humidity":39,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:00:00.000Z","obsTimeLocal":"2026-10-28T17:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281200Z 27006KT 6000 NSC 23/11 Q1015 NOSIG","temp":23,"dewpoint":11,"humidity":47,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:30:00.000Z","obsTimeLocal":"2026-10-28T17:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281230Z 23006KT 5000 FU NSC 21/11 Q1015 NOSIG","temp":21,"dewpoint":11,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:00:00.000Z","obsTimeLocal":"2026-10-28T18:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281300Z 23004KT 5000 FU NSC 19/10 Q1015 NOSIG","temp":19,"dewpoint":10,"humidity":56,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:30:00.000Z","obsTimeLocal":"2026-10-28T18:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281330Z 23004KT 5000 FU NSC 19/10 Q1015 NOSIG","temp":19,"dewpoint":10,"humidity":56,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:00:00.000Z","obsTimeLocal":"2026-10-28T19:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281400Z 23004KT 5000 FU NSC 18/10 Q1015 NOSIG","temp":18,"dewpoint":10,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:30:00.000Z","obsTimeLocal":"2026-10-28T19:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281430Z 23006KT 5000 FU NSC 17/11 Q1016 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:00:00.000Z","obsTimeLocal":"2026-10-28T20:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281500Z 23004KT 5000 FU NSC 17/09 Q1016 NOSIG","temp":17,"dewpoint":9,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:30:00.000Z","obsTimeLocal":"2026-10-28T20:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281530Z 23004KT 5000 FU NSC 17/09 Q1016 NOSIG","temp":17,"dewpoint":9,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:00:00.000Z","obsTimeLocal":"2026-10-28T21:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281600Z 23006KT 5000 FU NSC 17/09 Q1016 NOSIG","temp":17,"dewpoint":9,"humidity":59,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:30:00.000Z","obsTimeLocal":"2026-10-28T21:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281630Z 23004KT 5000 FU NSC 17/08 Q1016 NOSIG","temp":17,"dewpoint":8,"humidity":55,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:00:00.000Z","obsTimeLocal":"2026-10-28T22:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281700Z 00000KT 5000 FU NSC 16/09 Q1016 NOSIG","temp":16,"dewpoint":9,"humidity":63,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:30:00.000Z","obsTimeLocal":"2026-10-28T22:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281730Z 00000KT 5000 FU NSC 15/10 Q1016 NOSIG","temp":15,"dewpoint":10,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:00:00.000Z","obsTimeLocal":"2026-10-28T23:00:00+05:00","metarType":"METAR","raw":"METAR OPIS 281800Z 00000KT 5000 FU NSC 15/12 Q1016 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:30:00.000Z","obsTimeLocal":"2026-10-28T23:30:00+05:00","metarType":"METAR","raw":"METAR OPIS 281830Z 00000KT 5000 FU NSC 15/12 Q1016 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":0,"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/OPIS/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/OPIS/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for OPIS for the contract date (station-local calendar day), as published at https://weathermarket.io/station/OPIS/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/OPIS/2026-10-28","json":"https://weathermarket.io/api/station/OPIS/2026-10-28","record":"https://weathermarket.io/api/station/OPIS/2026-10-28?format=record","prev":"https://weathermarket.io/station/OPIS/2026-10-27","next":"https://weathermarket.io/station/OPIS/2026-10-29","station":"https://weathermarket.io/station/OPIS","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=OPIS&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=OPIS&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=27&hora=19&anof=2026&mesf=10&dayf=28&horaf=18&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=OPIS"}}}