{"station":{"icao":"EGLL","city":{"slug":"london","name":"London","country":"United Kingdom"},"timezone":"Europe/London","lat":51.51,"lon":-0.13,"us":false,"html":"https://weathermarket.io/station/EGLL","json":"https://weathermarket.io/api/station/EGLL","nwsCli":null},"date":"2026-10-01","window":{"date":"2026-10-01","timezone":"Europe/London","dayStartUtc":"2026-09-30T23:00:00.000Z","dayEndUtc":"2026-10-01T23:00:00.000Z","utcOffsetStart":"+01:00","utcOffsetEnd":"+01:00","hours":24},"complete":true,"values":{"tmax":21,"tmaxAt":"2026-10-01T12:50:00.000Z","tmin":13,"tminAt":"2026-10-01T04:20:00.000Z","tavg":16.2,"humidityMean":74.1,"windMean":4,"windMax":7.2,"windMaxAt":"2026-10-01T13:20:00.000Z","precipObservedCount":1,"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":"2026-10-01T12:50:00.000Z","obsTimeLocal":"2026-10-01T13:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011250Z AUTO 25009KT 220V280 9999 FEW049 21/08 Q1023","temp":21,"dewpoint":8,"humidity":43,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-01T04:20:00.000Z","obsTimeLocal":"2026-10-01T05:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010420Z AUTO 21005KT 9999 NCD 13/13 Q1017","temp":13,"dewpoint":13,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-01T13:20:00.000Z","obsTimeLocal":"2026-10-01T14:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011320Z AUTO 25014KT 220V280 9999 NCD 20/08 Q1023","temp":20,"dewpoint":8,"humidity":46,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-02T02:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"c2aa262a3f2d05de","lastChangedAt":"2026-10-01T22:54:40.231Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/EGLL/2026-10-01?format=record","status":"anchored","sha256":"b40ce08f376b791ea37f716db078fe3b110cf0039b4f23a2fc18552e8da06bd3","revision":"c2aa262a3f2d05de","flareTxHash":"0x89d19a214c8c86a0f3a496e202eacefacfd403b6d260c380f661da181735764e","flareBlock":71108794,"anchoredAt":"2026-10-02T02:01:34.292Z","explorer":"https://flare-explorer.flare.network/tx/0x89d19a214c8c86a0f3a496e202eacefacfd403b6d260c380f661da181735764e","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":"2026-10-01T12:50:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-01T04:20:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":21,"tmin":13,"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":"2026-09-30T23:20:00.000Z","obsTimeLocal":"2026-10-01T00:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 302320Z AUTO 28007KT 9999 BKN021/// BKN029/// //////CB 15/14 Q1015 RERA RESHRA","temp":15,"dewpoint":14,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T23:50:00.000Z","obsTimeLocal":"2026-10-01T00:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 302350Z AUTO 31003KT 270V360 9999 SCT022 15/14 Q1015","temp":15,"dewpoint":14,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T00:20:00.000Z","obsTimeLocal":"2026-10-01T01:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010020Z AUTO 28003KT 9999 FEW008 15/14 Q1015","temp":15,"dewpoint":14,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T00:50:00.000Z","obsTimeLocal":"2026-10-01T01:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010050Z AUTO 22004KT 9999 BKN007 15/14 Q1016","temp":15,"dewpoint":14,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T01:20:00.000Z","obsTimeLocal":"2026-10-01T02:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010120Z AUTO 22005KT 9999 BKN007 15/14 Q1016","temp":15,"dewpoint":14,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T01:50:00.000Z","obsTimeLocal":"2026-10-01T02:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010150Z AUTO 22004KT 9999 NCD 14/14 Q1016","temp":14,"dewpoint":14,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T02:20:00.000Z","obsTimeLocal":"2026-10-01T03:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010220Z AUTO 19004KT 9999 NCD 14/14 Q1016","temp":14,"dewpoint":14,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T02:50:00.000Z","obsTimeLocal":"2026-10-01T03:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010250Z AUTO 18004KT 9999 NCD 14/13 Q1017","temp":14,"dewpoint":13,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T03:20:00.000Z","obsTimeLocal":"2026-10-01T04:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010320Z AUTO 19003KT 150V220 9999 NCD 14/13 Q1017","temp":14,"dewpoint":13,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T03:50:00.000Z","obsTimeLocal":"2026-10-01T04:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010350Z AUTO 18004KT 9999 FEW021 14/13 Q1017","temp":14,"dewpoint":13,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T04:20:00.000Z","obsTimeLocal":"2026-10-01T05:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010420Z AUTO 21005KT 9999 NCD 13/13 Q1017","temp":13,"dewpoint":13,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T04:50:00.000Z","obsTimeLocal":"2026-10-01T05:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010450Z AUTO 21007KT 9999 NCD 14/13 Q1018","temp":14,"dewpoint":13,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T05:20:00.000Z","obsTimeLocal":"2026-10-01T06:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010520Z AUTO 21006KT 170V250 9999 NCD 13/13 Q1018","temp":13,"dewpoint":13,"humidity":100,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T05:50:00.000Z","obsTimeLocal":"2026-10-01T06:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010550Z AUTO 23007KT 9999 NCD 13/13 Q1018","temp":13,"dewpoint":13,"humidity":100,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T06:20:00.000Z","obsTimeLocal":"2026-10-01T07:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010620Z AUTO 25007KT 9999 NCD 13/12 Q1019","temp":13,"dewpoint":12,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T06:50:00.000Z","obsTimeLocal":"2026-10-01T07:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010650Z AUTO 25007KT 220V280 9999 NCD 13/12 Q1019","temp":13,"dewpoint":12,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T07:20:00.000Z","obsTimeLocal":"2026-10-01T08:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010720Z AUTO 25005KT 210V290 9999 NCD 14/12 Q1020","temp":14,"dewpoint":12,"humidity":88,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T07:50:00.000Z","obsTimeLocal":"2026-10-01T08:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010750Z AUTO 24006KT 220V280 9999 NCD 14/12 Q1020","temp":14,"dewpoint":12,"humidity":88,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T08:20:00.000Z","obsTimeLocal":"2026-10-01T09:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010820Z AUTO 28007KT 9999 NCD 15/13 Q1021","temp":15,"dewpoint":13,"humidity":88,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T08:50:00.000Z","obsTimeLocal":"2026-10-01T09:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010850Z AUTO 26009KT 9999 FEW012 16/13 Q1021","temp":16,"dewpoint":13,"humidity":82,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T09:20:00.000Z","obsTimeLocal":"2026-10-01T10:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 010920Z AUTO 27007KT 9999 NCD 16/13 Q1022","temp":16,"dewpoint":13,"humidity":82,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T09:50:00.000Z","obsTimeLocal":"2026-10-01T10:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 010950Z AUTO 28009KT 250V310 9999 NCD 17/13 Q1022","temp":17,"dewpoint":13,"humidity":77,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T10:20:00.000Z","obsTimeLocal":"2026-10-01T11:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011020Z AUTO 26011KT 230V300 9999 FEW021 17/11 Q1023","temp":17,"dewpoint":11,"humidity":68,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T10:50:00.000Z","obsTimeLocal":"2026-10-01T11:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011050Z AUTO 26012KT 230V290 9999 FEW025 18/11 Q1023","temp":18,"dewpoint":11,"humidity":64,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T11:20:00.000Z","obsTimeLocal":"2026-10-01T12:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011120Z AUTO 29010KT 9999 FEW036 19/09 Q1023","temp":19,"dewpoint":9,"humidity":52,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T11:50:00.000Z","obsTimeLocal":"2026-10-01T12:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011150Z AUTO 25011KT 220V280 9999 FEW038 18/09 Q1023","temp":18,"dewpoint":9,"humidity":56,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T12:20:00.000Z","obsTimeLocal":"2026-10-01T13:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011220Z AUTO 28010KT 9999 FEW045 20/09 Q1023","temp":20,"dewpoint":9,"humidity":49,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T12:50:00.000Z","obsTimeLocal":"2026-10-01T13:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011250Z AUTO 25009KT 220V280 9999 FEW049 21/08 Q1023","temp":21,"dewpoint":8,"humidity":43,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T13:20:00.000Z","obsTimeLocal":"2026-10-01T14:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011320Z AUTO 25014KT 220V280 9999 NCD 20/08 Q1023","temp":20,"dewpoint":8,"humidity":46,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T13:50:00.000Z","obsTimeLocal":"2026-10-01T14:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011350Z AUTO 27013KT 9999 NCD 20/08 Q1024","temp":20,"dewpoint":8,"humidity":46,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T14:20:00.000Z","obsTimeLocal":"2026-10-01T15:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011420Z AUTO 23009KT 9999 NCD 21/08 Q1024","temp":21,"dewpoint":8,"humidity":43,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T14:50:00.000Z","obsTimeLocal":"2026-10-01T15:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011450Z AUTO 25013KT 220V280 9999 NCD 21/08 Q1024","temp":21,"dewpoint":8,"humidity":43,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T15:20:00.000Z","obsTimeLocal":"2026-10-01T16:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011520Z AUTO 24012KT 9999 NCD 20/07 Q1024","temp":20,"dewpoint":7,"humidity":43,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T15:50:00.000Z","obsTimeLocal":"2026-10-01T16:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011550Z AUTO 24012KT 9999 NCD 20/07 Q1024","temp":20,"dewpoint":7,"humidity":43,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T16:20:00.000Z","obsTimeLocal":"2026-10-01T17:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011620Z AUTO 26011KT 9999 NCD 20/07 Q1025","temp":20,"dewpoint":7,"humidity":43,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T16:50:00.000Z","obsTimeLocal":"2026-10-01T17:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011650Z AUTO 23011KT 9999 NCD 19/08 Q1025","temp":19,"dewpoint":8,"humidity":49,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T17:20:00.000Z","obsTimeLocal":"2026-10-01T18:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011720Z AUTO 20011G24KT 180V240 9999 NCD 19/09 Q1025","temp":19,"dewpoint":9,"humidity":52,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T17:50:00.000Z","obsTimeLocal":"2026-10-01T18:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011750Z AUTO 21010G21KT 9999 NCD 18/10 Q1026","temp":18,"dewpoint":10,"humidity":60,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T18:20:00.000Z","obsTimeLocal":"2026-10-01T19:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011820Z AUTO 20011KT 9999 NCD 18/10 Q1026","temp":18,"dewpoint":10,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T18:50:00.000Z","obsTimeLocal":"2026-10-01T19:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011850Z AUTO 22009KT 9999 NCD 17/10 Q1026","temp":17,"dewpoint":10,"humidity":63,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T19:20:00.000Z","obsTimeLocal":"2026-10-01T20:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 011920Z AUTO 22008KT 190V250 9999 NCD 16/10 Q1027","temp":16,"dewpoint":10,"humidity":68,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T19:50:00.000Z","obsTimeLocal":"2026-10-01T20:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 011950Z AUTO 22008KT 9999 NCD 16/10 Q1027","temp":16,"dewpoint":10,"humidity":68,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T20:20:00.000Z","obsTimeLocal":"2026-10-01T21:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 012020Z AUTO 22008KT 9999 -RADZ NCD 15/10 Q1027","temp":15,"dewpoint":10,"humidity":72,"wind":4.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T20:50:00.000Z","obsTimeLocal":"2026-10-01T21:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 012050Z AUTO 23007KT 9999 NCD 15/10 Q1028","temp":15,"dewpoint":10,"humidity":72,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T21:20:00.000Z","obsTimeLocal":"2026-10-01T22:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 012120Z AUTO 22006KT 190V250 9999 NCD 14/10 Q1028","temp":14,"dewpoint":10,"humidity":77,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T21:50:00.000Z","obsTimeLocal":"2026-10-01T22:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 012150Z AUTO 21005KT 9999 NCD 14/10 Q1028","temp":14,"dewpoint":10,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T22:20:00.000Z","obsTimeLocal":"2026-10-01T23:20:00+01:00","metarType":"METAR","raw":"METAR EGLL 012220Z AUTO 20004KT 9999 NCD 14/10 Q1028","temp":14,"dewpoint":10,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T22:50:00.000Z","obsTimeLocal":"2026-10-01T23:50:00+01:00","metarType":"METAR","raw":"METAR EGLL 012250Z AUTO 20005KT 9999 NCD 13/10 Q1028","temp":13,"dewpoint":10,"humidity":82,"wind":2.6,"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/EGLL/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/EGLL/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for EGLL for the contract date (station-local calendar day), as published at https://weathermarket.io/station/EGLL/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/EGLL/2026-10-01","json":"https://weathermarket.io/api/station/EGLL/2026-10-01","record":"https://weathermarket.io/api/station/EGLL/2026-10-01?format=record","prev":"https://weathermarket.io/station/EGLL/2026-09-30","next":"https://weathermarket.io/station/EGLL/2026-10-02","station":"https://weathermarket.io/station/EGLL","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=EGLL&data=metar&year1=2026&month1=9&day1=30&year2=2026&month2=10&day2=2&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=EGLL&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=9&day=30&hora=23&anof=2026&mesf=10&dayf=1&horaf=22&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=EGLL"}}}