{"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":"2026-10-17","window":{"date":"2026-10-17","timezone":"Asia/Karachi","dayStartUtc":"2026-10-16T19:00:00.000Z","dayEndUtc":"2026-10-17T19:00:00.000Z","utcOffsetStart":"+05:00","utcOffsetEnd":"+05:00","hours":24},"complete":true,"values":{"tmax":36,"tmaxAt":"2026-10-17T08:00:00.000Z","tmin":25,"tminAt":"2026-10-17T02:00:00.000Z","tavg":30.4,"humidityMean":54.8,"windMean":2.5,"windMax":6.2,"windMaxAt":"2026-10-17T12:30:00.000Z","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":"2026-10-17T08:00:00.000Z","obsTimeLocal":"2026-10-17T13:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170800Z 18006KT 4000 HZ NSC 36/14 Q1012 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T02:00:00.000Z","obsTimeLocal":"2026-10-17T07:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170200Z 05005KT 3000 FU NSC 25/23 Q1013 NOSIG","temp":25,"dewpoint":23,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T12:30:00.000Z","obsTimeLocal":"2026-10-17T17:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171230Z 24012KT 4000 HZ NSC 33/18 Q1011 NOSIG","temp":33,"dewpoint":18,"humidity":41,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-17T22:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"61a6a0dcebdf9801","lastChangedAt":"2026-10-17T18:32:40.960Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/OPKC/2026-10-17?format=record","status":"anchored","sha256":"8fcbb7bcc19862b32353f2489ec48df4fddc144d714160da6dc4215491ee3c84","revision":"61a6a0dcebdf9801","flareTxHash":"0xb947c57a724292eb87e6154af547cd43f2989691d18f48d6d023f946b87591c4","flareBlock":72356216,"anchoredAt":"2026-10-17T22:01:52.069Z","explorer":"https://flare-explorer.flare.network/tx/0xb947c57a724292eb87e6154af547cd43f2989691d18f48d6d023f946b87591c4","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":"2026-10-17T08:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T02:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":36,"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":"2026-10-16T19:00:00.000Z","obsTimeLocal":"2026-10-17T00:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 161900Z 25003KT 4000 HZ NSC 28/23 Q1011 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T19:30:00.000Z","obsTimeLocal":"2026-10-17T00:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 161930Z 31003KT 4000 HZ NSC 28/23 Q1011 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T20:00:00.000Z","obsTimeLocal":"2026-10-17T01:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 162000Z 32004KT 4000 HZ NSC 28/23 Q1011 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T20:30:00.000Z","obsTimeLocal":"2026-10-17T01:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 162030Z 02002KT 4000 HZ NSC 28/23 Q1011 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T21:00:00.000Z","obsTimeLocal":"2026-10-17T02:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 162100Z 03003KT 4000 HZ NSC 27/23 Q1011 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T21:30:00.000Z","obsTimeLocal":"2026-10-17T02:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 162130Z 03002KT 4000 HZ NSC 27/23 Q1011 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T22:00:00.000Z","obsTimeLocal":"2026-10-17T03:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 162200Z 04004KT 4000 HZ NSC 27/23 Q1011 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T22:30:00.000Z","obsTimeLocal":"2026-10-17T03:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 162230Z 03003KT 4000 HZ NSC 27/23 Q1011 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:00:00.000Z","obsTimeLocal":"2026-10-17T04:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 162300Z 05003KT 4000 HZ NSC 27/23 Q1011 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:30:00.000Z","obsTimeLocal":"2026-10-17T04:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 162330Z 05002KT 4000 HZ NSC 26/23 Q1011 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:00:00.000Z","obsTimeLocal":"2026-10-17T05:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170000Z 03003KT 4000 HZ NSC 26/23 Q1011 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:30:00.000Z","obsTimeLocal":"2026-10-17T05:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170030Z 02002KT 4000 HZ NSC 26/23 Q1012 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:00:00.000Z","obsTimeLocal":"2026-10-17T06:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170100Z 04003KT 4000 FU NSC 26/23 Q1012 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:30:00.000Z","obsTimeLocal":"2026-10-17T06:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170130Z 06003KT 3000 FU NSC 26/23 Q1012 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:00:00.000Z","obsTimeLocal":"2026-10-17T07:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170200Z 05005KT 3000 FU NSC 25/23 Q1013 NOSIG","temp":25,"dewpoint":23,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:30:00.000Z","obsTimeLocal":"2026-10-17T07:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170230Z 04003KT 2500 FU NSC 25/23 Q1013 NOSIG","temp":25,"dewpoint":23,"humidity":89,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:00:00.000Z","obsTimeLocal":"2026-10-17T08:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170300Z 06003KT 2000 FU NSC 27/23 Q1013 NOSIG","temp":27,"dewpoint":23,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:30:00.000Z","obsTimeLocal":"2026-10-17T08:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170330Z 36003KT 3000 FU NSC 29/19 Q1014 NOSIG","temp":29,"dewpoint":19,"humidity":55,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T04:00:00.000Z","obsTimeLocal":"2026-10-17T09:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170400Z 03003KT 3000 FU NSC 30/18 Q1014 NOSIG","temp":30,"dewpoint":18,"humidity":49,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T04:30:00.000Z","obsTimeLocal":"2026-10-17T09:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170430Z 35004KT 4000 FU NSC 31/16 Q1014 NOSIG","temp":31,"dewpoint":16,"humidity":40,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T05:00:00.000Z","obsTimeLocal":"2026-10-17T10:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170500Z 36004KT 4000 HZ NSC 32/15 Q1014 NOSIG","temp":32,"dewpoint":15,"humidity":36,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T05:30:00.000Z","obsTimeLocal":"2026-10-17T10:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170530Z 14004KT 4000 HZ NSC 34/14 Q1014 NOSIG","temp":34,"dewpoint":14,"humidity":30,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T06:00:00.000Z","obsTimeLocal":"2026-10-17T11:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170600Z 00000KT 4000 HZ NSC 34/14 Q1014 NOSIG","temp":34,"dewpoint":14,"humidity":30,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T06:30:00.000Z","obsTimeLocal":"2026-10-17T11:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170630Z 12004KT 4000 HZ NSC 35/13 Q1014 NOSIG","temp":35,"dewpoint":13,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T07:00:00.000Z","obsTimeLocal":"2026-10-17T12:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170700Z 12004KT 4000 HZ NSC 35/13 Q1013 NOSIG","temp":35,"dewpoint":13,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T07:30:00.000Z","obsTimeLocal":"2026-10-17T12:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170730Z 14006KT 4000 HZ NSC 35/14 Q1013 NOSIG","temp":35,"dewpoint":14,"humidity":28,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T08:00:00.000Z","obsTimeLocal":"2026-10-17T13:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170800Z 18006KT 4000 HZ NSC 36/14 Q1012 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T08:30:00.000Z","obsTimeLocal":"2026-10-17T13:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170830Z 19004KT 4000 HZ NSC 36/14 Q1012 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T09:00:00.000Z","obsTimeLocal":"2026-10-17T14:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 170900Z 21008KT 4000 HZ NSC 36/14 Q1011 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T09:30:00.000Z","obsTimeLocal":"2026-10-17T14:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 170930Z 20008KT 4000 HZ NSC 36/14 Q1011 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T10:00:00.000Z","obsTimeLocal":"2026-10-17T15:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171000Z 21010KT 4000 HZ NSC 36/14 Q1010 NOSIG","temp":36,"dewpoint":14,"humidity":27,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T10:30:00.000Z","obsTimeLocal":"2026-10-17T15:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171030Z 20008KT 4000 HZ NSC 36/13 Q1010 NOSIG","temp":36,"dewpoint":13,"humidity":25,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T11:00:00.000Z","obsTimeLocal":"2026-10-17T16:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171100Z 22010KT 4000 HZ NSC 36/13 Q1010 TREND NOSIG","temp":36,"dewpoint":13,"humidity":25,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T11:30:00.000Z","obsTimeLocal":"2026-10-17T16:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171130Z 20009KT 5000 HZ NSC 35/14 Q1010 TREND NOSIG","temp":35,"dewpoint":14,"humidity":28,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T12:00:00.000Z","obsTimeLocal":"2026-10-17T17:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171200Z 22011KT 4000 HZ NSC 34/16 Q1010 NOSIG","temp":34,"dewpoint":16,"humidity":34,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T12:30:00.000Z","obsTimeLocal":"2026-10-17T17:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171230Z 24012KT 4000 HZ NSC 33/18 Q1011 NOSIG","temp":33,"dewpoint":18,"humidity":41,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T13:00:00.000Z","obsTimeLocal":"2026-10-17T18:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171300Z 24010KT 4000 HZ NSC 32/18 Q1011 NOSIG","temp":32,"dewpoint":18,"humidity":43,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T13:30:00.000Z","obsTimeLocal":"2026-10-17T18:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171330Z 24008KT 4000 HZ NSC 32/19 Q1011 NOSIG","temp":32,"dewpoint":19,"humidity":46,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T14:00:00.000Z","obsTimeLocal":"2026-10-17T19:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171400Z 25008KT 4000 HZ NSC 31/20 Q1012 NOSIG","temp":31,"dewpoint":20,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T14:30:00.000Z","obsTimeLocal":"2026-10-17T19:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171430Z 27006KT 4000 HZ NSC 30/21 Q1012 NOSIG","temp":30,"dewpoint":21,"humidity":59,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T15:00:00.000Z","obsTimeLocal":"2026-10-17T20:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171500Z 26004KT 4000 HZ NSC 30/20 Q1012 NOSIG","temp":30,"dewpoint":20,"humidity":55,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T15:30:00.000Z","obsTimeLocal":"2026-10-17T20:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171530Z 25006KT 4000 HZ NSC 30/20 Q1013 NOSIG","temp":30,"dewpoint":20,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:00:00.000Z","obsTimeLocal":"2026-10-17T21:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171600Z 27004KT 4000 HZ NSC 29/20 Q1013 NOSIG","temp":29,"dewpoint":20,"humidity":58,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:30:00.000Z","obsTimeLocal":"2026-10-17T21:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171630Z 25004KT 4000 HZ NSC 29/19 Q1013 NOSIG","temp":29,"dewpoint":19,"humidity":55,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:00:00.000Z","obsTimeLocal":"2026-10-17T22:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171700Z 24003KT 4000 HZ NSC 29/19 Q1013 NOSIG","temp":29,"dewpoint":19,"humidity":55,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:30:00.000Z","obsTimeLocal":"2026-10-17T22:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171730Z 25004KT 4000 HZ NSC 28/19 Q1013 NOSIG","temp":28,"dewpoint":19,"humidity":58,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T18:00:00.000Z","obsTimeLocal":"2026-10-17T23:00:00+05:00","metarType":"METAR","raw":"METAR OPKC 171800Z 24005KT 4000 HZ NSC 28/19 Q1013 NOSIG","temp":28,"dewpoint":19,"humidity":58,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T18:30:00.000Z","obsTimeLocal":"2026-10-17T23:30:00+05:00","metarType":"METAR","raw":"METAR OPKC 171830Z 26004KT 4000 HZ NSC 28/19 Q1013 NOSIG","temp":28,"dewpoint":19,"humidity":58,"wind":2.1,"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/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/2026-10-17","json":"https://weathermarket.io/api/station/OPKC/2026-10-17","record":"https://weathermarket.io/api/station/OPKC/2026-10-17?format=record","prev":"https://weathermarket.io/station/OPKC/2026-10-16","next":"https://weathermarket.io/station/OPKC/2026-10-18","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=16&year2=2026&month2=10&day2=18&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=16&hora=19&anof=2026&mesf=10&dayf=17&horaf=18&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=OPKC"}}}