{"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":"2026-10-17","window":{"date":"2026-10-17","timezone":"Europe/Madrid","dayStartUtc":"2026-10-16T22:00:00.000Z","dayEndUtc":"2026-10-17T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":23,"tmaxAt":"2026-10-17T12:00:00.000Z","tmin":15,"tminAt":"2026-10-17T03:30:00.000Z","tavg":18,"humidityMean":68.1,"windMean":2.7,"windMax":8.2,"windMaxAt":"2026-10-17T14:00:00.000Z","precipObservedCount":3,"nObservations":49,"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":"2026-10-17T12:00:00.000Z","obsTimeLocal":"2026-10-17T14:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 171200Z 05005KT 9999 SCT040 SCT070 23/12 Q1019 NOSIG","temp":23,"dewpoint":12,"humidity":50,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T03:30:00.000Z","obsTimeLocal":"2026-10-17T05:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 170330Z 34001KT CAVOK 15/12 Q1020 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T14:00:00.000Z","obsTimeLocal":"2026-10-17T16:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 171400Z 36016KT 330V030 9999 FEW050 BKN070 20/11 Q1018 NOSIG","temp":20,"dewpoint":11,"humidity":56,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-18T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"2ac54819804cfc50","lastChangedAt":"2026-10-17T21:34:43.461Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LEMD/2026-10-17?format=record","status":"anchored","sha256":"a8b0f30fda883c06e623f76cb927383ab629d03c2d3ddbf488230491df7df651","revision":"2ac54819804cfc50","flareTxHash":"0xac68f7230be920a73d7182aa3ed12fe422bb3bdd1e5b8b5c486ce9b6ebbc0a38","flareBlock":72366175,"anchoredAt":"2026-10-18T01:02:09.919Z","explorer":"https://flare-explorer.flare.network/tx/0xac68f7230be920a73d7182aa3ed12fe422bb3bdd1e5b8b5c486ce9b6ebbc0a38","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":49,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-17T12:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T03:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":23,"tmin":15,"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":"2026-10-16T22:00:00.000Z","obsTimeLocal":"2026-10-17T00:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 162200Z 00000KT CAVOK 18/10 Q1022 NOSIG","temp":18,"dewpoint":10,"humidity":60,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T22:30:00.000Z","obsTimeLocal":"2026-10-17T00:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 162230Z 35003KT 320V020 CAVOK 18/10 Q1022 NOSIG","temp":18,"dewpoint":10,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:00:00.000Z","obsTimeLocal":"2026-10-17T01:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 162300Z 33001KT CAVOK 16/10 Q1022 NOSIG","temp":16,"dewpoint":10,"humidity":68,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:30:00.000Z","obsTimeLocal":"2026-10-17T01:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 162330Z 00000KT CAVOK 18/11 Q1021 NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:00:00.000Z","obsTimeLocal":"2026-10-17T02:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 170000Z 34003KT CAVOK 17/11 Q1021 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:30:00.000Z","obsTimeLocal":"2026-10-17T02:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 170030Z 34003KT 310V030 CAVOK 17/11 Q1021 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:00:00.000Z","obsTimeLocal":"2026-10-17T03:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 170100Z 33003KT CAVOK 17/11 Q1021 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:30:00.000Z","obsTimeLocal":"2026-10-17T03:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 170130Z 35003KT CAVOK 17/11 Q1021 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:00:00.000Z","obsTimeLocal":"2026-10-17T04:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 170200Z VRB02KT 9999 FEW075 16/12 Q1021 NOSIG","temp":16,"dewpoint":12,"humidity":77,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:30:00.000Z","obsTimeLocal":"2026-10-17T04:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 170230Z 36003KT 340V040 9999 FEW075 16/12 Q1020 NOSIG","temp":16,"dewpoint":12,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:00:00.000Z","obsTimeLocal":"2026-10-17T05:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 170300Z 33003KT 310V010 9999 FEW075 16/12 Q1020 NOSIG","temp":16,"dewpoint":12,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:30:00.000Z","obsTimeLocal":"2026-10-17T05:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 170330Z 34001KT CAVOK 15/12 Q1020 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NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:00:00.000Z","obsTimeLocal":"2026-10-17T18:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 171600Z 34011KT 310V020 9999 SCT050 BKN070 18/12 Q1017 NOSIG","temp":18,"dewpoint":12,"humidity":68,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:30:00.000Z","obsTimeLocal":"2026-10-17T18:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 171630Z 01007KT 330V100 9999 SCT050 BKN070 19/11 Q1017 NOSIG","temp":19,"dewpoint":11,"humidity":60,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:00:00.000Z","obsTimeLocal":"2026-10-17T19:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 171700Z 03006KT 340V110 9999 SCT050 18/11 Q1016 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NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:00:00.000Z","obsTimeLocal":"2026-10-17T21:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 171900Z 02008KT 340V090 9999 FEW075 18/12 Q1016 NOSIG","temp":18,"dewpoint":12,"humidity":68,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:30:00.000Z","obsTimeLocal":"2026-10-17T21:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 171930Z 04007KT 340V110 9999 SCT075 17/12 Q1017 NOSIG","temp":17,"dewpoint":12,"humidity":72,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:00:00.000Z","obsTimeLocal":"2026-10-17T22:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 172000Z 05008G20KT 9999 SCT075 17/12 Q1017 NOSIG","temp":17,"dewpoint":12,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:30:00.000Z","obsTimeLocal":"2026-10-17T22:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 172030Z 05005KT 9999 SCT075 16/12 Q1017 NOSIG","temp":16,"dewpoint":12,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:00:00.000Z","obsTimeLocal":"2026-10-17T23:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 172100Z 04007KT 340V130 9999 SHRA FEW065TCU SCT075 15/12 Q1017 NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:17:00.000Z","obsTimeLocal":"2026-10-17T23:17:00+02:00","metarType":"SPECI","raw":"SPECI LEMD 172117Z 01005KT 320V070 9999 -SHRA FEW060TCU SCT075 15/12 Q1017 RESHRA NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:30:00.000Z","obsTimeLocal":"2026-10-17T23:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 172130Z 35005KT 300V050 9999 -RA FEW060TCU BKN075 15/12 Q1017 RESHRA NOSIG","temp":15,"dewpoint":12,"humidity":82,"wind":2.6,"precipObserved":true,"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/2026-10-17","json":"https://weathermarket.io/api/station/LEMD/2026-10-17","record":"https://weathermarket.io/api/station/LEMD/2026-10-17?format=record","prev":"https://weathermarket.io/station/LEMD/2026-10-16","next":"https://weathermarket.io/station/LEMD/2026-10-18","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=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=LEMD&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=16&hora=22&anof=2026&mesf=10&dayf=17&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LEMD"}}}