{"station":{"icao":"HECA","city":{"slug":"cairo","name":"Cairo","country":"Egypt"},"timezone":"Africa/Cairo","lat":30.04,"lon":31.24,"us":false,"html":"https://weathermarket.io/station/HECA","json":"https://weathermarket.io/api/station/HECA","nwsCli":null},"date":"2026-10-31","window":{"date":"2026-10-31","timezone":"Africa/Cairo","dayStartUtc":"2026-10-30T22:00:00.000Z","dayEndUtc":"2026-10-31T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":26,"tmaxAt":"2026-10-31T12:00:00.000Z","tmin":16,"tminAt":"2026-10-31T02:00:00.000Z","tavg":21.3,"humidityMean":50.7,"windMean":3,"windMax":4.6,"windMaxAt":"2026-10-31T16:00:00.000Z","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":"2026-10-31T12:00:00.000Z","obsTimeLocal":"2026-10-31T14:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311200Z 03006KT 9999 FEW025 BKN200 26/09 Q1016 NOSIG","temp":26,"dewpoint":9,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-31T02:00:00.000Z","obsTimeLocal":"2026-10-31T04:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310200Z 07003KT 6000 NSC 16/09 Q1017 NOSIG","temp":16,"dewpoint":9,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-31T16:00:00.000Z","obsTimeLocal":"2026-10-31T18:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311600Z 36009KT 6000 FEW025 24/10 Q1017 NOSIG","temp":24,"dewpoint":10,"humidity":41,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-01T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"910c63aa65c3eac2","lastChangedAt":"2026-10-31T21:30:22.223Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/HECA/2026-10-31?format=record","status":"anchored","sha256":"96b250167a1458e885b09f3434aab682ce46eeaf60a0d2d488903f231f13e714","revision":"910c63aa65c3eac2","flareTxHash":"0xfc271cb02c9fa97e1ecd91a8c5de4d1f60989a20e1d54214703cf93fc625923d","flareBlock":73836644,"anchoredAt":"2026-11-05T22:01:42.488Z","explorer":"https://flare-explorer.flare.network/tx/0xfc271cb02c9fa97e1ecd91a8c5de4d1f60989a20e1d54214703cf93fc625923d","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":"2026-10-31T12:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-31T02:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":26,"tmin":16,"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":"2026-10-30T22:00:00.000Z","obsTimeLocal":"2026-10-31T00:00:00+02:00","metarType":"METAR","raw":"METAR HECA 302200Z 05006KT 6000 NSC 19/11 Q1018 NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:30:00.000Z","obsTimeLocal":"2026-10-31T00:30:00+02:00","metarType":"METAR","raw":"METAR HECA 302230Z 05006KT 6000 NSC 19/11 Q1018 NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:00:00.000Z","obsTimeLocal":"2026-10-31T01:00:00+02:00","metarType":"METAR","raw":"METAR HECA 302300Z 08004KT 6000 NSC 18/11 Q1018 NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:30:00.000Z","obsTimeLocal":"2026-10-31T01:30:00+02:00","metarType":"METAR","raw":"METAR HECA 302330Z 08004KT 6000 NSC 18/11 Q1018 NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:00:00.000Z","obsTimeLocal":"2026-10-31T02:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310000Z 08006KT 6000 NSC 18/11 Q1018 NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:30:00.000Z","obsTimeLocal":"2026-10-31T02:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310030Z 08006KT 6000 NSC 17/10 Q1018 NOSIG","temp":17,"dewpoint":10,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:00:00.000Z","obsTimeLocal":"2026-10-31T03:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310100Z 06003KT 6000 NSC 17/10 Q1018 NOSIG","temp":17,"dewpoint":10,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:30:00.000Z","obsTimeLocal":"2026-10-31T03:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310130Z 07003KT 6000 NSC 17/10 Q1018 NOSIG","temp":17,"dewpoint":10,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:00:00.000Z","obsTimeLocal":"2026-10-31T04:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310200Z 07003KT 6000 NSC 16/09 Q1017 NOSIG","temp":16,"dewpoint":9,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:30:00.000Z","obsTimeLocal":"2026-10-31T04:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310230Z 09003KT 6000 NSC 17/10 Q1018 NOSIG","temp":17,"dewpoint":10,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:00:00.000Z","obsTimeLocal":"2026-10-31T05:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310300Z 08003KT 6000 NSC 16/09 Q1018 NOSIG","temp":16,"dewpoint":9,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:30:00.000Z","obsTimeLocal":"2026-10-31T05:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310330Z 08002KT 6000 NSC 16/10 Q1018 NOSIG","temp":16,"dewpoint":10,"humidity":68,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:00:00.000Z","obsTimeLocal":"2026-10-31T06:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310400Z 08003KT 6000 NSC 17/10 Q1018","temp":17,"dewpoint":10,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:30:00.000Z","obsTimeLocal":"2026-10-31T06:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310430Z 08003KT 6000 NSC 16/09 Q1018 NOSIG","temp":16,"dewpoint":9,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:00:00.000Z","obsTimeLocal":"2026-10-31T07:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310500Z 10003KT 6000 NSC 17/10 Q1018","temp":17,"dewpoint":10,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:30:00.000Z","obsTimeLocal":"2026-10-31T07:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310530Z 06004KT 6000 NSC 19/11 Q1018 NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T06:00:00.000Z","obsTimeLocal":"2026-10-31T08:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310600Z 04005KT 6000 NSC 20/11 Q1018 NOSIG","temp":20,"dewpoint":11,"humidity":56,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T06:30:00.000Z","obsTimeLocal":"2026-10-31T08:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310630Z 05005KT 6000 NSC 21/11 Q1018 NOSIG","temp":21,"dewpoint":11,"humidity":53,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T07:00:00.000Z","obsTimeLocal":"2026-10-31T09:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310700Z 06006KT 6000 NSC 22/11 Q1018 NOSIG","temp":22,"dewpoint":11,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T07:30:00.000Z","obsTimeLocal":"2026-10-31T09:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310730Z 07006KT CAVOK 23/10 Q1018 NOSIG","temp":23,"dewpoint":10,"humidity":44,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T08:00:00.000Z","obsTimeLocal":"2026-10-31T10:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310800Z 07007KT 9999 FEW025 23/10 Q1019 NOSIG","temp":23,"dewpoint":10,"humidity":44,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T08:30:00.000Z","obsTimeLocal":"2026-10-31T10:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310830Z 04006KT 9999 FEW025 BKN200 24/10 Q1018 NOSIG","temp":24,"dewpoint":10,"humidity":41,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T09:00:00.000Z","obsTimeLocal":"2026-10-31T11:00:00+02:00","metarType":"METAR","raw":"METAR HECA 310900Z 04007KT 9999 FEW025 BKN200 24/10 Q1018 NOSIG","temp":24,"dewpoint":10,"humidity":41,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T09:30:00.000Z","obsTimeLocal":"2026-10-31T11:30:00+02:00","metarType":"METAR","raw":"METAR HECA 310930Z 03005KT 9999 FEW025 BKN200 24/09 Q1018 NOSIG","temp":24,"dewpoint":9,"humidity":38,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T10:00:00.000Z","obsTimeLocal":"2026-10-31T12:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311000Z 02006KT 320V080 9999 SCT025 BKN200 24/09 Q1017 NOSIG","temp":24,"dewpoint":9,"humidity":38,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T10:30:00.000Z","obsTimeLocal":"2026-10-31T12:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311030Z 04006KT 330V120 9999 FEW025 BKN200 25/09 Q1016 NOSIG","temp":25,"dewpoint":9,"humidity":36,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T11:00:00.000Z","obsTimeLocal":"2026-10-31T13:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311100Z 02007KT 9999 FEW025 BKN200 25/09 Q1016 NOSIG","temp":25,"dewpoint":9,"humidity":36,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T11:30:00.000Z","obsTimeLocal":"2026-10-31T13:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311130Z 03007KT 9999 FEW025 BKN200 25/08 Q1016 NOSIG","temp":25,"dewpoint":8,"humidity":34,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:00:00.000Z","obsTimeLocal":"2026-10-31T14:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311200Z 03006KT 9999 FEW025 BKN200 26/09 Q1016 NOSIG","temp":26,"dewpoint":9,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:30:00.000Z","obsTimeLocal":"2026-10-31T14:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311230Z 02005KT 9999 FEW025 BKN200 26/08 Q1017 NOSIG","temp":26,"dewpoint":8,"humidity":32,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:00:00.000Z","obsTimeLocal":"2026-10-31T15:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311300Z 34005KT 9999 FEW025 BKN200 26/09 Q1016 NOSIG","temp":26,"dewpoint":9,"humidity":34,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:30:00.000Z","obsTimeLocal":"2026-10-31T15:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311330Z 35007KT 9999 SCT025 26/09 Q1016 NOSIG","temp":26,"dewpoint":9,"humidity":34,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:00:00.000Z","obsTimeLocal":"2026-10-31T16:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311400Z 02005KT 9999 SCT025 25/09 Q1016 NOSIG","temp":25,"dewpoint":9,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:30:00.000Z","obsTimeLocal":"2026-10-31T16:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311430Z 35007KT 9999 FEW025 25/09 Q1016 NOSIG","temp":25,"dewpoint":9,"humidity":36,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T15:00:00.000Z","obsTimeLocal":"2026-10-31T17:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311500Z 01008KT 9999 FEW025 25/10 Q1017 NOSIG","temp":25,"dewpoint":10,"humidity":39,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T15:30:00.000Z","obsTimeLocal":"2026-10-31T17:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311530Z 36008KT 6000 FEW025 24/10 Q1017 NOSIG","temp":24,"dewpoint":10,"humidity":41,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T16:00:00.000Z","obsTimeLocal":"2026-10-31T18:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311600Z 36009KT 6000 FEW025 24/10 Q1017 NOSIG","temp":24,"dewpoint":10,"humidity":41,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T16:30:00.000Z","obsTimeLocal":"2026-10-31T18:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311630Z 36008KT 6000 FEW025 24/11 Q1017 NOSIG","temp":24,"dewpoint":11,"humidity":44,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T17:00:00.000Z","obsTimeLocal":"2026-10-31T19:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311700Z 02007KT 6000 NSC 24/11 Q1018 NOSIG","temp":24,"dewpoint":11,"humidity":44,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T17:30:00.000Z","obsTimeLocal":"2026-10-31T19:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311730Z 03007KT 6000 NSC 23/11 Q1018 NOSIG","temp":23,"dewpoint":11,"humidity":47,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T18:00:00.000Z","obsTimeLocal":"2026-10-31T20:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311800Z 03008KT 6000 NSC 23/11 Q1018 NOSIG","temp":23,"dewpoint":11,"humidity":47,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T18:30:00.000Z","obsTimeLocal":"2026-10-31T20:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311830Z 05007KT 6000 NSC 21/11 Q1018 NOSIG","temp":21,"dewpoint":11,"humidity":53,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T19:00:00.000Z","obsTimeLocal":"2026-10-31T21:00:00+02:00","metarType":"METAR","raw":"METAR HECA 311900Z 07007KT 6000 NSC 21/11 Q1018 NOSIG","temp":21,"dewpoint":11,"humidity":53,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T19:30:00.000Z","obsTimeLocal":"2026-10-31T21:30:00+02:00","metarType":"METAR","raw":"METAR HECA 311930Z 07009KT 6000 NSC 21/12 Q1018 NOSIG","temp":21,"dewpoint":12,"humidity":56,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T20:00:00.000Z","obsTimeLocal":"2026-10-31T22:00:00+02:00","metarType":"METAR","raw":"METAR HECA 312000Z 07008KT 6000 NSC 21/12 Q1018 NOSIG","temp":21,"dewpoint":12,"humidity":56,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T20:30:00.000Z","obsTimeLocal":"2026-10-31T22:30:00+02:00","metarType":"METAR","raw":"METAR HECA 312030Z 08007KT CAVOK 20/12 Q1018 NOSIG","temp":20,"dewpoint":12,"humidity":60,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T21:00:00.000Z","obsTimeLocal":"2026-10-31T23:00:00+02:00","metarType":"METAR","raw":"METAR HECA 312100Z 07008KT CAVOK 20/13 Q1018 NOSIG","temp":20,"dewpoint":13,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T21:30:00.000Z","obsTimeLocal":"2026-10-31T23:30:00+02:00","metarType":"METAR","raw":"METAR HECA 312130Z 08008KT CAVOK 20/13 Q1018 NOSIG","temp":20,"dewpoint":13,"humidity":64,"wind":4.1,"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/HECA/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/HECA/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for HECA for the contract date (station-local calendar day), as published at https://weathermarket.io/station/HECA/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/HECA/2026-10-31","json":"https://weathermarket.io/api/station/HECA/2026-10-31","record":"https://weathermarket.io/api/station/HECA/2026-10-31?format=record","prev":"https://weathermarket.io/station/HECA/2026-10-30","next":"https://weathermarket.io/station/HECA/2026-11-01","station":"https://weathermarket.io/station/HECA","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=HECA&data=metar&year1=2026&month1=10&day1=30&year2=2026&month2=11&day2=1&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=HECA&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=30&hora=22&anof=2026&mesf=10&dayf=31&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=HECA"}}}