{"station":{"icao":"OPKC","city":{"slug":"karachi","name":"Karachi","country":"Pakistan"},"timezone":"Asia/Karachi","lat":24.86,"lon":67.01,"us":false,"html":"https://weathermarket.io/station/OPKC","json":"https://weathermarket.io/api/station/OPKC","nwsCli":null},"date":"2026-10-18","window":{"date":"2026-10-18","timezone":"Asia/Karachi","dayStartUtc":"2026-10-17T19:00:00.000Z","dayEndUtc":"2026-10-18T19:00:00.000Z","utcOffsetStart":"+05:00","utcOffsetEnd":"+05:00","hours":24},"complete":true,"values":{"tmax":38,"tmaxAt":"2026-10-18T08:30:00.000Z","tmin":25,"tminAt":"2026-10-18T01:00:00.000Z","tavg":30.7,"humidityMean":49.6,"windMean":2.5,"windMax":6.2,"windMaxAt":"2026-10-18T10:00:00.000Z","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":"2026-10-18T08:30:00.000Z","obsTimeLocal":"2026-10-18T13:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180830Z 12503KT 4000 HZ NSC 38/10 Q1013 NOSIG","temp":38,"dewpoint":10,"humidity":19,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T01:00:00.000Z","obsTimeLocal":"2026-10-18T06:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180100Z 05002KT 3500 HZ NSC 25/22 Q1013 NOSIG","temp":25,"dewpoint":22,"humidity":83,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T10:00:00.000Z","obsTimeLocal":"2026-10-18T15:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181000Z 22012KT 4000 HZ NSC 36/13 Q1012 NOSIG","temp":36,"dewpoint":13,"humidity":25,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-18T22:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"d28f378d782d78fd","lastChangedAt":"2026-10-18T18:31:38.408Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/OPKC/2026-10-18?format=record","status":"anchored","sha256":"5c6b857b653ac125179323a7fd1e36a10c6ecd1ee65f1c89a593818920d9958b","revision":"d28f378d782d78fd","flareTxHash":"0xa0449dafdfb73857eb2671dacfe9f1d61542127b8f8b4d20a1a0db8d316a29c6","flareBlock":72433971,"anchoredAt":"2026-10-18T22:01:35.489Z","explorer":"https://flare-explorer.flare.network/tx/0xa0449dafdfb73857eb2671dacfe9f1d61542127b8f8b4d20a1a0db8d316a29c6","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":"2026-10-18T08:30:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T01:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":38,"tmin":25,"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":"2026-10-17T19:00:00.000Z","obsTimeLocal":"2026-10-18T00:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171900Z 00000KT 4000 HZ NSC 28/19 Q1013 NOSIG","temp":28,"dewpoint":19,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:30:00.000Z","obsTimeLocal":"2026-10-18T00:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171930Z 11003K 4000 HZ NSC 27/19 Q1013 NOSIG","temp":27,"dewpoint":19,"humidity":62,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:00:00.000Z","obsTimeLocal":"2026-10-18T01:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 172000Z 04003KT 4000 HZ NSC 27/19 Q1013 NOSIG","temp":27,"dewpoint":19,"humidity":62,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:30:00.000Z","obsTimeLocal":"2026-10-18T01:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 172030Z 00000K 4000 HZ NSC 27/20 Q1013 NOSIG","temp":27,"dewpoint":20,"humidity":66,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:00:00.000Z","obsTimeLocal":"2026-10-18T02:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 172100Z 26003KT 4000 HZ NSC 27/21 Q1012 NOSIG","temp":27,"dewpoint":21,"humidity":70,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:30:00.000Z","obsTimeLocal":"2026-10-18T02:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 172130Z 30004K 3500 HZ NSC 28/22 Q1012 NOSIG","temp":28,"dewpoint":22,"humidity":70,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T22:00:00.000Z","obsTimeLocal":"2026-10-18T03:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 172200Z 30003KT 3500 HZ NSC 27/23 Q1012 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T22:30:00.000Z","obsTimeLocal":"2026-10-18T03:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 172230Z 29004K 3500 HZ NSC 27/23 Q1012 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T23:00:00.000Z","obsTimeLocal":"2026-10-18T04:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 172300Z 32003KT 3500 HZ NSC 27/23 Q1012 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T23:30:00.000Z","obsTimeLocal":"2026-10-18T04:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 172330Z 33004K 3500 HZ NSC 27/23 Q1012 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":null,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T00:00:00.000Z","obsTimeLocal":"2026-10-18T05:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180000Z 02003KT 3500 HZ NSC 27/23 Q1012 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T00:30:00.000Z","obsTimeLocal":"2026-10-18T05:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180030Z 36003KT 3500 HZ NSC 26/23 Q1013 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T01:00:00.000Z","obsTimeLocal":"2026-10-18T06:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180100Z 05002KT 3500 HZ NSC 25/22 Q1013 NOSIG","temp":25,"dewpoint":22,"humidity":83,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T01:30:00.000Z","obsTimeLocal":"2026-10-18T06:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180130Z 05003KT 3500 HZ NSC 25/22 Q1013 NOSIG","temp":25,"dewpoint":22,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T02:00:00.000Z","obsTimeLocal":"2026-10-18T07:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180200Z 27002KT 3500 HZ NSC 25/23 Q1014 NOSIG","temp":25,"dewpoint":23,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T02:30:00.000Z","obsTimeLocal":"2026-10-18T07:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180230Z 33003KT 3500 FU NSC 26/23 Q1014 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T03:00:00.000Z","obsTimeLocal":"2026-10-18T08:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180300Z 06002KT 3500 FU NSC 27/23 Q1015 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T03:30:00.000Z","obsTimeLocal":"2026-10-18T08:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180330Z 00000KT 3500 FU NSC 28/22 Q1015 NOSIG","temp":28,"dewpoint":22,"humidity":70,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T04:00:00.000Z","obsTimeLocal":"2026-10-18T09:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180400Z 03004KT 3500 FU NSC 29/20 Q1015 NOSIG","temp":29,"dewpoint":20,"humidity":58,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T04:30:00.000Z","obsTimeLocal":"2026-10-18T09:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180430Z 03005KT 4000 HZ NSC 30/19 Q1015 NOSIG","temp":30,"dewpoint":19,"humidity":52,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:00:00.000Z","obsTimeLocal":"2026-10-18T10:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180500Z 09005KT 4000 HZ NSC 32/16 Q1015 NOSIG","temp":32,"dewpoint":16,"humidity":38,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:30:00.000Z","obsTimeLocal":"2026-10-18T10:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180530Z 36004KT 4000 HZ NSC 33/16 Q1015 NOSIG","temp":33,"dewpoint":16,"humidity":36,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:00:00.000Z","obsTimeLocal":"2026-10-18T11:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180600Z 04005KT 4000 HZ NSC 35/14 Q1015 NOSIG","temp":35,"dewpoint":14,"humidity":28,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:30:00.000Z","obsTimeLocal":"2026-10-18T11:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180630Z 33003KT 4000 HZ NSC 35/14 Q1015 NOSIG","temp":35,"dewpoint":14,"humidity":28,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:00:00.000Z","obsTimeLocal":"2026-10-18T12:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180700Z 12005KT 4000 HZ NSC 36/12 Q1014 NOSIG","temp":36,"dewpoint":12,"humidity":24,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:30:00.000Z","obsTimeLocal":"2026-10-18T12:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180730Z 03004KT 4000 HZ NSC 36/11 Q1014 NOSIG","temp":36,"dewpoint":11,"humidity":22,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:00:00.000Z","obsTimeLocal":"2026-10-18T13:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180800Z 06005KT 4000 HZ NSC 37/09 Q1013 NOSIG","temp":37,"dewpoint":9,"humidity":18,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:30:00.000Z","obsTimeLocal":"2026-10-18T13:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180830Z 12503KT 4000 HZ NSC 38/10 Q1013 NOSIG","temp":38,"dewpoint":10,"humidity":19,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:00:00.000Z","obsTimeLocal":"2026-10-18T14:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 180900Z 18010KT 4000 HZ NSC 37/12 Q1012 NOSIG","temp":37,"dewpoint":12,"humidity":22,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:30:00.000Z","obsTimeLocal":"2026-10-18T14:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 180930Z 17009KT 4000 HZ NSC 36/12 Q1012 NOSIG","temp":36,"dewpoint":12,"humidity":24,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:00:00.000Z","obsTimeLocal":"2026-10-18T15:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181000Z 22012KT 4000 HZ NSC 36/13 Q1012 NOSIG","temp":36,"dewpoint":13,"humidity":25,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:30:00.000Z","obsTimeLocal":"2026-10-18T15:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181030Z 23012KT 4000 HZ NSC 37/13 Q1012 NOSIG","temp":37,"dewpoint":13,"humidity":24,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:00:00.000Z","obsTimeLocal":"2026-10-18T16:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181100Z 23010KT 4000 HZ NSC 36/10 Q1012 NOSIG","temp":36,"dewpoint":10,"humidity":21,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:30:00.000Z","obsTimeLocal":"2026-10-18T16:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181130Z 25010KT 4000 HZ NSC 36/10 Q1011 NOSIG","temp":36,"dewpoint":10,"humidity":21,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:00:00.000Z","obsTimeLocal":"2026-10-18T17:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181200Z 22011KT 4000 HZ NSC 35/10 Q1012 NOSIG","temp":35,"dewpoint":10,"humidity":22,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:30:00.000Z","obsTimeLocal":"2026-10-18T17:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181230Z 25010KT 4000 HZ NSC 34/12 Q1012 NOSIG","temp":34,"dewpoint":12,"humidity":26,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:00:00.000Z","obsTimeLocal":"2026-10-18T18:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181300Z 24010KT 4000 HZ NSC 34/12 Q1012 NOSIG","temp":34,"dewpoint":12,"humidity":26,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:30:00.000Z","obsTimeLocal":"2026-10-18T18:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181330Z 24010KT 4000 HZ NSC 33/14 Q1012 NOSIG","temp":33,"dewpoint":14,"humidity":32,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:00:00.000Z","obsTimeLocal":"2026-10-18T19:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181400Z 25005KT 4000 HZ NSC 32/15 Q1012 NOSIG","temp":32,"dewpoint":15,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:30:00.000Z","obsTimeLocal":"2026-10-18T19:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181430Z 28005KT 4000 HZ NSC 31/15 Q1013 NOSIG","temp":31,"dewpoint":15,"humidity":38,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:00:00.000Z","obsTimeLocal":"2026-10-18T20:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181500Z 27006KT 4000 HZ NSC 31/14 Q1013 NOSIG","temp":31,"dewpoint":14,"humidity":36,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:30:00.000Z","obsTimeLocal":"2026-10-18T20:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181530Z 27004KT 4000 HZ NSC 30/14 Q1013 NOSIG","temp":30,"dewpoint":14,"humidity":38,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:00:00.000Z","obsTimeLocal":"2026-10-18T21:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181600Z 28004KT 4000 HZ NSC 30/14 Q1014 NOSIG","temp":30,"dewpoint":14,"humidity":38,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:30:00.000Z","obsTimeLocal":"2026-10-18T21:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181630Z 31003KT 4000 HZ NSC 30/19 Q1014 NOSIG","temp":30,"dewpoint":19,"humidity":52,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:00:00.000Z","obsTimeLocal":"2026-10-18T22:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181700Z 33003KT 4000 HZ NSC 30/19 Q1014 NOSIG","temp":30,"dewpoint":19,"humidity":52,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:30:00.000Z","obsTimeLocal":"2026-10-18T22:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181730Z VRB03KT 4000 HZ NSC 29/18 Q1014 NOSIG","temp":29,"dewpoint":18,"humidity":52,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:00:00.000Z","obsTimeLocal":"2026-10-18T23:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 181800Z 00000KT 4000 HZ NSC 28/19 Q1014 NOSIG","temp":28,"dewpoint":19,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:30:00.000Z","obsTimeLocal":"2026-10-18T23:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 181830Z 00000KT 4000 HZ NSC 27/18 Q1014 NOSIG","temp":27,"dewpoint":18,"humidity":58,"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/OPKC/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/OPKC/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for OPKC for the contract date (station-local calendar day), as published at https://weathermarket.io/station/OPKC/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/OPKC/2026-10-18","json":"https://weathermarket.io/api/station/OPKC/2026-10-18","record":"https://weathermarket.io/api/station/OPKC/2026-10-18?format=record","prev":"https://weathermarket.io/station/OPKC/2026-10-17","next":"https://weathermarket.io/station/OPKC/2026-10-19","station":"https://weathermarket.io/station/OPKC","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=OPKC&data=metar&year1=2026&month1=10&day1=17&year2=2026&month2=10&day2=19&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=OPKC&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=17&hora=19&anof=2026&mesf=10&dayf=18&horaf=18&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=OPKC"}}}