{"station":{"icao":"LEMD","city":{"slug":"madrid","name":"Madrid","country":"Spain"},"timezone":"Europe/Madrid","lat":40.42,"lon":-3.7,"us":false,"html":"https://weathermarket.io/station/LEMD","json":"https://weathermarket.io/api/station/LEMD","nwsCli":null},"date":"2026-10-31","window":{"date":"2026-10-31","timezone":"Europe/Madrid","dayStartUtc":"2026-10-30T23:00:00.000Z","dayEndUtc":"2026-10-31T23:00:00.000Z","utcOffsetStart":"+01:00","utcOffsetEnd":"+01:00","hours":24},"complete":true,"values":{"tmax":22,"tmaxAt":"2026-10-31T15:00:00.000Z","tmin":6,"tminAt":"2026-10-31T05:00:00.000Z","tavg":12.6,"humidityMean":66.3,"windMean":1,"windMax":2.1,"windMaxAt":"2026-10-30T23:30:00.000Z","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":"2026-10-31T15:00:00.000Z","obsTimeLocal":"2026-10-31T16:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311500Z 16001KT CAVOK 22/07 Q1020 NOSIG","temp":22,"dewpoint":7,"humidity":38,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-31T05:00:00.000Z","obsTimeLocal":"2026-10-31T06:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 310500Z 36002KT CAVOK 06/04 Q1021 NOSIG","temp":6,"dewpoint":4,"humidity":87,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-30T23:30:00.000Z","obsTimeLocal":"2026-10-31T00:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 302330Z 35004KT 320V020 CAVOK 10/06 Q1020 NOSIG","temp":10,"dewpoint":6,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-01T02:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"27d0aa2f42bd8a0b","lastChangedAt":"2026-10-31T22:34:38.595Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LEMD/2026-10-31?format=record","status":"anchored","sha256":"dda96c970ffa197465b85e94902c76e22888704b94b94b39e41e49a8e49b3cfa","revision":"27d0aa2f42bd8a0b","flareTxHash":"0x790ab4b99a6489815db7e645b792a36c3e858458cd337044f26fb98925f06b12","flareBlock":73840187,"anchoredAt":"2026-11-05T23:01:37.135Z","explorer":"https://flare-explorer.flare.network/tx/0x790ab4b99a6489815db7e645b792a36c3e858458cd337044f26fb98925f06b12","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":"2026-10-31T15:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-31T05:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":22,"tmin":6,"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":"2026-10-30T23:00:00.000Z","obsTimeLocal":"2026-10-31T00:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 302300Z 36003KT CAVOK 11/06 Q1020 NOSIG","temp":11,"dewpoint":6,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:30:00.000Z","obsTimeLocal":"2026-10-31T00:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 302330Z 35004KT 320V020 CAVOK 10/06 Q1020 NOSIG","temp":10,"dewpoint":6,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:00:00.000Z","obsTimeLocal":"2026-10-31T01:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 310000Z 01003KT 340V040 CAVOK 09/06 Q1020 NOSIG","temp":9,"dewpoint":6,"humidity":81,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:30:00.000Z","obsTimeLocal":"2026-10-31T01:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 310030Z VRB02KT CAVOK 09/06 Q1020 NOSIG","temp":9,"dewpoint":6,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:00:00.000Z","obsTimeLocal":"2026-10-31T02:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 310100Z 35004KT CAVOK 09/05 Q1021 NOSIG","temp":9,"dewpoint":5,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:30:00.000Z","obsTimeLocal":"2026-10-31T02:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 310130Z 36004KT CAVOK 08/05 Q1021 NOSIG","temp":8,"dewpoint":5,"humidity":81,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:00:00.000Z","obsTimeLocal":"2026-10-31T03:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 310200Z 36003KT CAVOK 08/05 Q1021 NOSIG","temp":8,"dewpoint":5,"humidity":81,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:30:00.000Z","obsTimeLocal":"2026-10-31T03:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 310230Z VRB02KT CAVOK 07/05 Q1021 NOSIG","temp":7,"dewpoint":5,"humidity":87,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:00:00.000Z","obsTimeLocal":"2026-10-31T04:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 310300Z VRB01KT CAVOK 07/05 Q1021 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NOSIG","temp":18,"dewpoint":10,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:30:00.000Z","obsTimeLocal":"2026-10-31T13:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311230Z 20002KT CAVOK 19/10 Q1021 NOSIG","temp":19,"dewpoint":10,"humidity":56,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:00:00.000Z","obsTimeLocal":"2026-10-31T14:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311300Z 18001KT CAVOK 20/10 Q1021 NOSIG","temp":20,"dewpoint":10,"humidity":53,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:30:00.000Z","obsTimeLocal":"2026-10-31T14:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311330Z VRB02KT CAVOK 20/09 Q1020 NOSIG","temp":20,"dewpoint":9,"humidity":49,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:00:00.000Z","obsTimeLocal":"2026-10-31T15:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311400Z 18003KT CAVOK 21/08 Q1020 NOSIG","temp":21,"dewpoint":8,"humidity":43,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:30:00.000Z","obsTimeLocal":"2026-10-31T15:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311430Z 00000KT CAVOK 21/07 Q1020 NOSIG","temp":21,"dewpoint":7,"humidity":40,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T15:00:00.000Z","obsTimeLocal":"2026-10-31T16:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311500Z 16001KT CAVOK 22/07 Q1020 NOSIG","temp":22,"dewpoint":7,"humidity":38,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T15:30:00.000Z","obsTimeLocal":"2026-10-31T16:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311530Z 31001KT CAVOK 22/06 Q1020 NOSIG","temp":22,"dewpoint":6,"humidity":35,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T16:00:00.000Z","obsTimeLocal":"2026-10-31T17:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311600Z 00000KT CAVOK 22/05 Q1020 NOSIG","temp":22,"dewpoint":5,"humidity":33,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T16:30:00.000Z","obsTimeLocal":"2026-10-31T17:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311630Z 00000KT CAVOK 21/06 Q1020 NOSIG","temp":21,"dewpoint":6,"humidity":38,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T17:00:00.000Z","obsTimeLocal":"2026-10-31T18:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311700Z 04001KT CAVOK 20/06 Q1020 NOSIG","temp":20,"dewpoint":6,"humidity":40,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T17:30:00.000Z","obsTimeLocal":"2026-10-31T18:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311730Z 36001KT CAVOK 16/05 Q1020 NOSIG","temp":16,"dewpoint":5,"humidity":48,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T18:00:00.000Z","obsTimeLocal":"2026-10-31T19:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311800Z 00000KT CAVOK 16/04 Q1020 NOSIG","temp":16,"dewpoint":4,"humidity":45,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T18:30:00.000Z","obsTimeLocal":"2026-10-31T19:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311830Z 00000KT CAVOK 15/05 Q1021 NOSIG","temp":15,"dewpoint":5,"humidity":51,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T19:00:00.000Z","obsTimeLocal":"2026-10-31T20:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 311900Z VRB01KT CAVOK 14/05 Q1021 NOSIG","temp":14,"dewpoint":5,"humidity":55,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T19:30:00.000Z","obsTimeLocal":"2026-10-31T20:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 311930Z 01001KT CAVOK 14/05 Q1021 NOSIG","temp":14,"dewpoint":5,"humidity":55,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T20:00:00.000Z","obsTimeLocal":"2026-10-31T21:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 312000Z 02003KT 350V060 CAVOK 13/06 Q1021 NOSIG","temp":13,"dewpoint":6,"humidity":62,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T20:30:00.000Z","obsTimeLocal":"2026-10-31T21:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 312030Z 35003KT 320V020 CAVOK 12/06 Q1021 NOSIG","temp":12,"dewpoint":6,"humidity":67,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T21:00:00.000Z","obsTimeLocal":"2026-10-31T22:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 312100Z VRB02KT CAVOK 12/06 Q1022 NOSIG","temp":12,"dewpoint":6,"humidity":67,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T21:30:00.000Z","obsTimeLocal":"2026-10-31T22:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 312130Z 34003KT CAVOK 11/06 Q1022 NOSIG","temp":11,"dewpoint":6,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T22:00:00.000Z","obsTimeLocal":"2026-10-31T23:00:00+01:00","metarType":"METAR","raw":"METAR LEMD 312200Z VRB02KT CAVOK 11/06 Q1022 NOSIG","temp":11,"dewpoint":6,"humidity":71,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T22:30:00.000Z","obsTimeLocal":"2026-10-31T23:30:00+01:00","metarType":"METAR","raw":"METAR LEMD 312230Z 32003KT CAVOK 10/06 Q1022 NOSIG","temp":10,"dewpoint":6,"humidity":76,"wind":1.5,"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/LEMD/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/LEMD/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for LEMD for the contract date (station-local calendar day), as published at https://weathermarket.io/station/LEMD/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/LEMD/2026-10-31","json":"https://weathermarket.io/api/station/LEMD/2026-10-31","record":"https://weathermarket.io/api/station/LEMD/2026-10-31?format=record","prev":"https://weathermarket.io/station/LEMD/2026-10-30","next":"https://weathermarket.io/station/LEMD/2026-11-01","station":"https://weathermarket.io/station/LEMD","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=LEMD&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=LEMD&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=30&hora=23&anof=2026&mesf=10&dayf=31&horaf=22&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LEMD"}}}