{"station":{"icao":"LTFM","city":{"slug":"istanbul","name":"Istanbul","country":"Türkiye"},"timezone":"Europe/Istanbul","lat":41.01,"lon":28.98,"us":false,"html":"https://weathermarket.io/station/LTFM","json":"https://weathermarket.io/api/station/LTFM","nwsCli":null},"date":"2026-10-09","window":{"date":"2026-10-09","timezone":"Europe/Istanbul","dayStartUtc":"2026-10-08T21:00:00.000Z","dayEndUtc":"2026-10-09T21:00:00.000Z","utcOffsetStart":"+03:00","utcOffsetEnd":"+03:00","hours":24},"complete":true,"values":{"tmax":24,"tmaxAt":"2026-10-09T10:20:00.000Z","tmin":14,"tminAt":"2026-10-09T02:50:00.000Z","tavg":19,"humidityMean":62.7,"windMean":5.5,"windMax":8.7,"windMaxAt":"2026-10-09T07:50:00.000Z","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":"2026-10-09T10:20:00.000Z","obsTimeLocal":"2026-10-09T13:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091020Z 22014KT CAVOK 24/09 Q1018 NOSIG","temp":24,"dewpoint":9,"humidity":38,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-09T02:50:00.000Z","obsTimeLocal":"2026-10-09T05:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090250Z 17006KT CAVOK 14/13 Q1019 NOSIG","temp":14,"dewpoint":13,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-09T07:50:00.000Z","obsTimeLocal":"2026-10-09T10:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090750Z 22017KT CAVOK 21/12 Q1019 NOSIG","temp":21,"dewpoint":12,"humidity":56,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-10T00:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"0954a5b50ac48ec2","lastChangedAt":"2026-10-09T20:57:39.470Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LTFM/2026-10-09?format=record","status":"anchored","sha256":"6e913f2fa219a0458e6608e84fa4d423eafdb8a3ae28d144978e8b9c1bee77f2","revision":"0954a5b50ac48ec2","flareTxHash":"0x5479abf015be79dfadf4ef1491939721f282183fe5a5c4296907e99c76a265da","flareBlock":71735071,"anchoredAt":"2026-10-10T00:02:00.137Z","explorer":"https://flare-explorer.flare.network/tx/0x5479abf015be79dfadf4ef1491939721f282183fe5a5c4296907e99c76a265da","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":"2026-10-09T10:20:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-09T02:50:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":24,"tmin":14,"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":"2026-10-08T21:20:00.000Z","obsTimeLocal":"2026-10-09T00:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 082120Z 18007KT 7000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T21:50:00.000Z","obsTimeLocal":"2026-10-09T00:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 082150Z 17008KT 7000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T22:20:00.000Z","obsTimeLocal":"2026-10-09T01:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 082220Z 18008KT 7000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T22:50:00.000Z","obsTimeLocal":"2026-10-09T01:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 082250Z 17009KT 7000 NSC 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T23:20:00.000Z","obsTimeLocal":"2026-10-09T02:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 082320Z 19010KT CAVOK 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T23:50:00.000Z","obsTimeLocal":"2026-10-09T02:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 082350Z 18008KT CAVOK 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T00:20:00.000Z","obsTimeLocal":"2026-10-09T03:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090020Z 18008KT 7000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T00:50:00.000Z","obsTimeLocal":"2026-10-09T03:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090050Z 20008KT 7000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T01:20:00.000Z","obsTimeLocal":"2026-10-09T04:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090120Z 21009KT 8000 NSC 15/14 Q1018 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T01:50:00.000Z","obsTimeLocal":"2026-10-09T04:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090150Z 21011KT 8000 NSC 15/13 Q1018 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T02:20:00.000Z","obsTimeLocal":"2026-10-09T05:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090220Z 21010KT CAVOK 15/13 Q1018 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T02:50:00.000Z","obsTimeLocal":"2026-10-09T05:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090250Z 17006KT CAVOK 14/13 Q1019 NOSIG","temp":14,"dewpoint":13,"humidity":94,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T03:20:00.000Z","obsTimeLocal":"2026-10-09T06:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090320Z 17008KT 8000 NSC 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T03:50:00.000Z","obsTimeLocal":"2026-10-09T06:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090350Z 18011KT 7000 NSC 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T04:20:00.000Z","obsTimeLocal":"2026-10-09T07:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090420Z 18008KT 6000 NSC 15/13 Q1019 NOSIG","temp":15,"dewpoint":13,"humidity":88,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T04:50:00.000Z","obsTimeLocal":"2026-10-09T07:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090450Z 19007KT 6000 NSC 15/14 Q1019 NOSIG","temp":15,"dewpoint":14,"humidity":94,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T05:20:00.000Z","obsTimeLocal":"2026-10-09T08:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090520Z 19009KT 6000 NSC 16/15 Q1019 NOSIG","temp":16,"dewpoint":15,"humidity":94,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T05:50:00.000Z","obsTimeLocal":"2026-10-09T08:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090550Z 20011KT 7000 NSC 17/15 Q1019 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NOSIG","temp":22,"dewpoint":11,"humidity":50,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T09:20:00.000Z","obsTimeLocal":"2026-10-09T12:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 090920Z 22016KT CAVOK 22/11 Q1019 NOSIG","temp":22,"dewpoint":11,"humidity":50,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T09:50:00.000Z","obsTimeLocal":"2026-10-09T12:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 090950Z 21015KT CAVOK 23/11 Q1019 NOSIG","temp":23,"dewpoint":11,"humidity":47,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T10:20:00.000Z","obsTimeLocal":"2026-10-09T13:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091020Z 22014KT CAVOK 24/09 Q1018 NOSIG","temp":24,"dewpoint":9,"humidity":38,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T10:50:00.000Z","obsTimeLocal":"2026-10-09T13:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091050Z 21015KT CAVOK 24/08 Q1018 NOSIG","temp":24,"dewpoint":8,"humidity":36,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T11:20:00.000Z","obsTimeLocal":"2026-10-09T14:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091120Z 22014KT CAVOK 24/08 Q1018 NOSIG","temp":24,"dewpoint":8,"humidity":36,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T11:50:00.000Z","obsTimeLocal":"2026-10-09T14:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091150Z 22015KT CAVOK 24/07 Q1018 NOSIG","temp":24,"dewpoint":7,"humidity":34,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T12:20:00.000Z","obsTimeLocal":"2026-10-09T15:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091220Z 21014KT 170V240 CAVOK 24/07 Q1018 NOSIG","temp":24,"dewpoint":7,"humidity":34,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T12:50:00.000Z","obsTimeLocal":"2026-10-09T15:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091250Z 21013KT 180V240 CAVOK 24/08 Q1017 NOSIG","temp":24,"dewpoint":8,"humidity":36,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T13:20:00.000Z","obsTimeLocal":"2026-10-09T16:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091320Z 21012KT 160V230 CAVOK 24/08 Q1017 NOSIG","temp":24,"dewpoint":8,"humidity":36,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T13:50:00.000Z","obsTimeLocal":"2026-10-09T16:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091350Z 21013KT 160V220 CAVOK 24/07 Q1017 NOSIG","temp":24,"dewpoint":7,"humidity":34,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T14:20:00.000Z","obsTimeLocal":"2026-10-09T17:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091420Z 21012KT CAVOK 24/06 Q1017 NOSIG","temp":24,"dewpoint":6,"humidity":31,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T14:50:00.000Z","obsTimeLocal":"2026-10-09T17:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091450Z 21012KT CAVOK 23/06 Q1017 NOSIG","temp":23,"dewpoint":6,"humidity":33,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T15:20:00.000Z","obsTimeLocal":"2026-10-09T18:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091520Z 20009KT CAVOK 22/06 Q1017 NOSIG","temp":22,"dewpoint":6,"humidity":35,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T15:50:00.000Z","obsTimeLocal":"2026-10-09T18:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091550Z 20009KT CAVOK 21/06 Q1017 NOSIG","temp":21,"dewpoint":6,"humidity":38,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T16:20:00.000Z","obsTimeLocal":"2026-10-09T19:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091620Z 20010KT CAVOK 21/06 Q1017 NOSIG","temp":21,"dewpoint":6,"humidity":38,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T16:50:00.000Z","obsTimeLocal":"2026-10-09T19:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091650Z 21010KT CAVOK 20/05 Q1017 NOSIG","temp":20,"dewpoint":5,"humidity":37,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T17:20:00.000Z","obsTimeLocal":"2026-10-09T20:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091720Z 20010KT CAVOK 20/06 Q1017 NOSIG","temp":20,"dewpoint":6,"humidity":40,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T17:50:00.000Z","obsTimeLocal":"2026-10-09T20:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091750Z 20010KT CAVOK 19/06 Q1017 NOSIG","temp":19,"dewpoint":6,"humidity":43,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T18:20:00.000Z","obsTimeLocal":"2026-10-09T21:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091820Z 20008KT CAVOK 19/07 Q1017 NOSIG","temp":19,"dewpoint":7,"humidity":46,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T18:50:00.000Z","obsTimeLocal":"2026-10-09T21:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091850Z 19008KT CAVOK 18/07 Q1017 NOSIG","temp":18,"dewpoint":7,"humidity":49,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T19:20:00.000Z","obsTimeLocal":"2026-10-09T22:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 091920Z 19009KT CAVOK 18/08 Q1018 NOSIG","temp":18,"dewpoint":8,"humidity":52,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T19:50:00.000Z","obsTimeLocal":"2026-10-09T22:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 091950Z 20008KT CAVOK 17/10 Q1018 NOSIG","temp":17,"dewpoint":10,"humidity":63,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T20:20:00.000Z","obsTimeLocal":"2026-10-09T23:20:00+03:00","metarType":"METAR","raw":"METAR LTFM 092020Z 20008KT CAVOK 18/11 Q1018 NOSIG","temp":18,"dewpoint":11,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T20:50:00.000Z","obsTimeLocal":"2026-10-09T23:50:00+03:00","metarType":"METAR","raw":"METAR LTFM 092050Z 21009KT CAVOK 17/11 Q1018 NOSIG","temp":17,"dewpoint":11,"humidity":68,"wind":4.6,"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/LTFM/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/LTFM/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for LTFM for the contract date (station-local calendar day), as published at https://weathermarket.io/station/LTFM/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/LTFM/2026-10-09","json":"https://weathermarket.io/api/station/LTFM/2026-10-09","record":"https://weathermarket.io/api/station/LTFM/2026-10-09?format=record","prev":"https://weathermarket.io/station/LTFM/2026-10-08","next":"https://weathermarket.io/station/LTFM/2026-10-10","station":"https://weathermarket.io/station/LTFM","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=LTFM&data=metar&year1=2026&month1=10&day1=8&year2=2026&month2=10&day2=10&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=LTFM&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=8&hora=21&anof=2026&mesf=10&dayf=9&horaf=20&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LTFM"}}}