{"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":"2026-09-28","window":{"date":"2026-09-28","timezone":"Europe/Madrid","dayStartUtc":"2026-09-27T22:00:00.000Z","dayEndUtc":"2026-09-28T22:00:00.000Z","utcOffsetStart":"+02:00","utcOffsetEnd":"+02:00","hours":24},"complete":true,"values":{"tmax":26,"tmaxAt":"2026-09-27T22:00:00.000Z","tmin":15,"tminAt":"2026-09-28T20:30:00.000Z","tavg":20,"humidityMean":65.3,"windMean":2.4,"windMax":7.2,"windMaxAt":"2026-09-28T12:30:00.000Z","precipObservedCount":13,"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":"2026-09-27T22:00:00.000Z","obsTimeLocal":"2026-09-28T00:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 272200Z 15011KT CAVOK 26/08 Q1018 NOSIG","temp":26,"dewpoint":8,"humidity":32,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-28T20:30:00.000Z","obsTimeLocal":"2026-09-28T22:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 282030Z 36003KT 330V040 9999 FEW020 15/14 Q1020 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-28T12:30:00.000Z","obsTimeLocal":"2026-09-28T14:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 281230Z 18014KT 9999 -RA SCT075 23/13 Q1020 NOSIG","temp":23,"dewpoint":13,"humidity":53,"wind":7.2,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-29T01:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"737c64c7796d5d76","lastChangedAt":"2026-09-28T21:34:42.898Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LEMD/2026-09-28?format=record","status":"anchored","sha256":"e2a03f32810c20ea2f231396531fbbedd0eb29d15fd6b01db7474fe999d8f915","revision":"737c64c7796d5d76","flareTxHash":"0x01679713374643444eb4288ca040f8a71621ac98406d54c8bd40fd29f1cf9ae1","flareBlock":71105498,"anchoredAt":"2026-10-02T01:01:27.187Z","explorer":"https://flare-explorer.flare.network/tx/0x01679713374643444eb4288ca040f8a71621ac98406d54c8bd40fd29f1cf9ae1","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":"2026-09-27T22:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-28T20:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":26,"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":"2026-09-27T22:00:00.000Z","obsTimeLocal":"2026-09-28T00:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 272200Z 15011KT CAVOK 26/08 Q1018 NOSIG","temp":26,"dewpoint":8,"humidity":32,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T22:30:00.000Z","obsTimeLocal":"2026-09-28T00:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 272230Z 14009KT 110V170 CAVOK 25/09 Q1018 NOSIG","temp":25,"dewpoint":9,"humidity":36,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T23:00:00.000Z","obsTimeLocal":"2026-09-28T01:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 272300Z 15012KT CAVOK 25/11 Q1018 NOSIG","temp":25,"dewpoint":11,"humidity":41,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T23:30:00.000Z","obsTimeLocal":"2026-09-28T01:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 272330Z 14010KT 110V170 CAVOK 24/11 Q1018 NOSIG","temp":24,"dewpoint":11,"humidity":44,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T00:00:00.000Z","obsTimeLocal":"2026-09-28T02:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 280000Z 13007KT 090V150 CAVOK 23/11 Q1017 NOSIG","temp":23,"dewpoint":11,"humidity":47,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T00:30:00.000Z","obsTimeLocal":"2026-09-28T02:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 280030Z 12005KT 090V160 CAVOK 23/12 Q1017 NOSIG","temp":23,"dewpoint":12,"humidity":50,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T01:00:00.000Z","obsTimeLocal":"2026-09-28T03:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 280100Z 11005KT 070V160 CAVOK 23/12 Q1017 NOSIG","temp":23,"dewpoint":12,"humidity":50,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T01:30:00.000Z","obsTimeLocal":"2026-09-28T03:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 280130Z 10003KT 060V140 CAVOK 22/12 Q1018 NOSIG","temp":22,"dewpoint":12,"humidity":53,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T02:00:00.000Z","obsTimeLocal":"2026-09-28T04:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 280200Z VRB01KT CAVOK 21/12 Q1018 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NOSIG","temp":18,"dewpoint":15,"humidity":83,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T15:30:00.000Z","obsTimeLocal":"2026-09-28T17:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 281530Z 16006KT 080V200 9999 -DZ FEW020 SCT070TCU BKN080 18/14 Q1020 NOSIG","temp":18,"dewpoint":14,"humidity":77,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T16:00:00.000Z","obsTimeLocal":"2026-09-28T18:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 281600Z 14003KT 090V240 9999 -DZ FEW020 SCT070TCU BKN080 18/15 Q1019 NOSIG","temp":18,"dewpoint":15,"humidity":83,"wind":1.5,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T16:30:00.000Z","obsTimeLocal":"2026-09-28T18:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 281630Z 17004KT 130V190 9999 -RA FEW010 SCT055TCU BKN075 17/14 Q1019 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NOSIG","temp":16,"dewpoint":14,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T20:00:00.000Z","obsTimeLocal":"2026-09-28T22:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 282000Z VRB02KT 9999 FEW060 16/14 Q1020 NOSIG","temp":16,"dewpoint":14,"humidity":88,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T20:30:00.000Z","obsTimeLocal":"2026-09-28T22:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 282030Z 36003KT 330V040 9999 FEW020 15/14 Q1020 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T21:00:00.000Z","obsTimeLocal":"2026-09-28T23:00:00+02:00","metarType":"METAR","raw":"METAR LEMD 282100Z 36004KT CAVOK 15/14 Q1020 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T21:30:00.000Z","obsTimeLocal":"2026-09-28T23:30:00+02:00","metarType":"METAR","raw":"METAR LEMD 282130Z 35004KT CAVOK 15/14 Q1020 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":2.1,"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/2026-09-28","json":"https://weathermarket.io/api/station/LEMD/2026-09-28","record":"https://weathermarket.io/api/station/LEMD/2026-09-28?format=record","prev":"https://weathermarket.io/station/LEMD/2026-09-27","next":"https://weathermarket.io/station/LEMD/2026-09-29","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=9&day1=27&year2=2026&month2=9&day2=29&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=9&day=27&hora=22&anof=2026&mesf=9&dayf=28&horaf=21&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LEMD"}}}