{"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":"2026-10-04","window":{"date":"2026-10-04","timezone":"Europe/Madrid","dayStartUtc":"2026-10-03T22:00:00.000Z","dayEndUtc":"2026-10-04T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":24,"tmaxAt":"2026-10-04T15:00:00.000Z","tmin":16,"tminAt":"2026-10-03T23:30:00.000Z","tavg":18.6,"humidityMean":80.6,"windMean":1.8,"windMax":7.2,"windMaxAt":"2026-10-04T17:30:00.000Z","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":"2026-10-04T15:00:00.000Z","obsTimeLocal":"2026-10-04T17:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 041500Z 18006KT 080V250 9999 VCSH FEW040TCU 24/13 Q1020 NOSIG","temp":24,"dewpoint":13,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-03T23:30:00.000Z","obsTimeLocal":"2026-10-04T01:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 032330Z VRB02KT 9999 SCT035 BKN045 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-04T17:30:00.000Z","obsTimeLocal":"2026-10-04T19:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 041730Z 24014KT 220V280 9999 SCT043TCU BKN070 20/14 Q1020 NOSIG","temp":20,"dewpoint":14,"humidity":68,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-05T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"19ea6eba33265284","lastChangedAt":"2026-10-04T21:35:38.364Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LEMD/2026-10-04?format=record","status":"anchored","sha256":"de39340d07b9d5bf47bcfe8bc94c999d398b108b5dae3c3b1568db0d9161d367","revision":"19ea6eba33265284","flareTxHash":"0xee7c56ccf426402f2f2c19904d66532e0fbf50b9318031f12dfedf87072b0c45","flareBlock":71340648,"anchoredAt":"2026-10-05T01:01:06.105Z","explorer":"https://flare-explorer.flare.network/tx/0xee7c56ccf426402f2f2c19904d66532e0fbf50b9318031f12dfedf87072b0c45","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":"2026-10-04T15:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-03T23:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":24,"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":"2026-10-03T22:00:00.000Z","obsTimeLocal":"2026-10-04T00:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 032200Z 09001KT CAVOK 17/16 Q1023 NOSIG","temp":17,"dewpoint":16,"humidity":94,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T22:30:00.000Z","obsTimeLocal":"2026-10-04T00:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 032230Z VRB02KT 9999 SCT035 17/15 Q1023 NOSIG","temp":17,"dewpoint":15,"humidity":88,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T23:00:00.000Z","obsTimeLocal":"2026-10-04T01:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 032300Z 33002KT 9999 BKN035 17/16 Q1022 NOSIG","temp":17,"dewpoint":16,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T23:30:00.000Z","obsTimeLocal":"2026-10-04T01:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 032330Z VRB02KT 9999 SCT035 BKN045 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T00:00:00.000Z","obsTimeLocal":"2026-10-04T02:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 040000Z 36003KT 320V040 9999 SCT030 BKN045 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T00:30:00.000Z","obsTimeLocal":"2026-10-04T02:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 040030Z 35003KT 9999 SCT030 BKN045 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T01:00:00.000Z","obsTimeLocal":"2026-10-04T03:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 040100Z 34003KT 9999 BKN030 BKN040 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T01:30:00.000Z","obsTimeLocal":"2026-10-04T03:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 040130Z 34005KT 9999 BKN030 BKN050 16/15 Q1022 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T02:00:00.000Z","obsTimeLocal":"2026-10-04T04:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 040200Z 34005KT 9999 SCT030 16/15 Q1022 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NOSIG","temp":23,"dewpoint":12,"humidity":50,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T16:00:00.000Z","obsTimeLocal":"2026-10-04T18:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 041600Z 17003KT 120V280 9999 FEW050 23/14 Q1020 NOSIG","temp":23,"dewpoint":14,"humidity":57,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T16:30:00.000Z","obsTimeLocal":"2026-10-04T18:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 041630Z 20005KT 160V230 9999 FEW040 23/14 Q1020 NOSIG","temp":23,"dewpoint":14,"humidity":57,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T17:00:00.000Z","obsTimeLocal":"2026-10-04T19:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 041700Z 20004KT 170V260 9999 FEW055 23/14 Q1020 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NOSIG","temp":19,"dewpoint":14,"humidity":73,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T19:00:00.000Z","obsTimeLocal":"2026-10-04T21:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 041900Z VRB02KT 9999 FEW070TCU 18/15 Q1021 NOSIG","temp":18,"dewpoint":15,"humidity":83,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T19:30:00.000Z","obsTimeLocal":"2026-10-04T21:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 041930Z VRB02KT 9999 FEW080CB 17/15 Q1021 NOSIG","temp":17,"dewpoint":15,"humidity":88,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T20:00:00.000Z","obsTimeLocal":"2026-10-04T22:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 042000Z VRB02KT 9999 FEW077CB SCT080 17/16 Q1021 NOSIG","temp":17,"dewpoint":16,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T20:30:00.000Z","obsTimeLocal":"2026-10-04T22:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 042030Z 15004KT 120V190 9999 -DZ SCT075 17/16 Q1021 NOSIG","temp":17,"dewpoint":16,"humidity":94,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T21:00:00.000Z","obsTimeLocal":"2026-10-04T23:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 042100Z VRB01KT 9999 FEW040 BKN075 17/15 Q1021 NOSIG","temp":17,"dewpoint":15,"humidity":88,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T21:30:00.000Z","obsTimeLocal":"2026-10-04T23:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 042130Z VRB02KT 9999 SCT035 BKN075 16/15 Q1021 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":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/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/2026-10-04","json":"https://weathermarket.io/api/station/LEMD/2026-10-04","record":"https://weathermarket.io/api/station/LEMD/2026-10-04?format=record","prev":"https://weathermarket.io/station/LEMD/2026-10-03","next":"https://weathermarket.io/station/LEMD/2026-10-05","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=3&year2=2026&month2=10&day2=5&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=3&hora=22&anof=2026&mesf=10&dayf=4&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LEMD"}}}