{"station":{"icao":"LTAC","city":{"slug":"ankara","name":"Ankara","country":"Türkiye"},"timezone":"Europe/Istanbul","lat":39.93,"lon":32.86,"us":false,"html":"https://weathermarket.io/station/LTAC","json":"https://weathermarket.io/api/station/LTAC","nwsCli":null},"date":"2026-10-22","window":{"date":"2026-10-22","timezone":"Europe/Istanbul","dayStartUtc":"2026-10-21T21:00:00.000Z","dayEndUtc":"2026-10-22T21:00:00.000Z","utcOffsetStart":"+03:00","utcOffsetEnd":"+03:00","hours":24},"complete":true,"values":{"tmax":20,"tmaxAt":"2026-10-22T11:50:00.000Z","tmin":2,"tminAt":"2026-10-22T03:20:00.000Z","tavg":10.2,"humidityMean":66.4,"windMean":1.3,"windMax":4.1,"windMaxAt":"2026-10-22T10:20:00.000Z","precipObservedCount":0,"nObservations":47,"maxGapMinutes":60,"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":"2026-10-22T11:50:00.000Z","obsTimeLocal":"2026-10-22T14:50:00+03:00","metarType":"METAR","raw":"METAR LTAC 221150Z 25006KT 180V280 9999 FEW040 SCT200 20/01 Q1023 NOSIG","temp":20,"dewpoint":1,"humidity":28,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-22T03:20:00.000Z","obsTimeLocal":"2026-10-22T06:20:00+03:00","metarType":"METAR","raw":"METAR LTAC 220320Z 04003KT 8000 NSC 02/01 Q1025 NOSIG","temp":2,"dewpoint":1,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-22T10:20:00.000Z","obsTimeLocal":"2026-10-22T13:20:00+03:00","metarType":"METAR","raw":"METAR LTAC 221020Z 25008KT 190V260 9999 FEW040 19/02 Q1024 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221920Z VRB01KT CAVOK 08/04 Q1023 NOSIG","corrected":"METAR LTAC 221920Z VRB01KT CAVOK 08/04 Q1023 NOSIG RMK RWY21C 00000KT RWY03L VRB01KT RWY21R 00000KT RWY03R 00000KT RWY21L VRB01KT"},{"obsTimeUtc":"2026-10-22T19:50:00.000Z","correctedAt":"2026-10-22T19:59:40.851Z","original":"METAR LTAC 221950Z VRB01KT CAVOK 08/04 Q1024 NOSIG","corrected":"METAR LTAC 221950Z VRB01KT CAVOK 08/04 Q1024 NOSIG RMK RWY21C 00000KT RWY03L 00000KT RWY21R 00000KT RWY03R 00000KT RWY21L VRB02KT"},{"obsTimeUtc":"2026-10-22T20:20:00.000Z","correctedAt":"2026-10-22T20:29:39.000Z","original":"METAR LTAC 222020Z VRB02KT CAVOK 08/04 Q1024 NOSIG","corrected":"METAR LTAC 222020Z VRB02KT CAVOK 08/04 Q1024 NOSIG RMK RWY21C VRB02KT RWY03L 07002KT RWY21R VRB01KT RWY03R 00000KT RWY21L VRB03KT"},{"obsTimeUtc":"2026-10-22T20:50:00.000Z","correctedAt":"2026-10-22T20:58:43.376Z","original":"METAR LTAC 222050Z VRB02KT CAVOK 08/04 Q1024 NOSIG","corrected":"METAR LTAC 222050Z VRB02KT CAVOK 08/04 Q1024 NOSIG RMK RWY21C VRB02KT RWY03L 07002KT RWY21R VRB01KT RWY03R 00000KT RWY21L VRB03KT"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/LTAC/2026-10-22?format=record","status":"anchored","sha256":"f6719a4ef1d3f67b579278b5f28472fb8cef4932cfd6331aeaba537bbfed9fdf","revision":"3f052b8c8de98fb7","flareTxHash":"0xaa4f16b7b86c29b8a76814d0746d314ba7a9d654463d4d2b591a2a9b9562e441","flareBlock":73843599,"anchoredAt":"2026-11-06T00:01:32.756Z","explorer":"https://flare-explorer.flare.network/tx/0xaa4f16b7b86c29b8a76814d0746d314ba7a9d654463d4d2b591a2a9b9562e441","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":47,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-22T11:50:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-22T03:20:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"tmin":2,"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":"2026-10-21T21:20:00.000Z","obsTimeLocal":"2026-10-22T00:20:00+03:00","metarType":"METAR","raw":"METAR LTAC 212120Z 35002KT CAVOK 06/03 Q1025 NOSIG","temp":6,"dewpoint":3,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:50:00.000Z","obsTimeLocal":"2026-10-22T00:50:00+03:00","metarType":"METAR","raw":"METAR LTAC 212150Z 34001KT CAVOK 06/04 Q1025 NOSIG","temp":6,"dewpoint":4,"humidity":87,"wind":0.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T22:20:00.000Z","obsTimeLocal":"2026-10-22T01:20:00+03:00","metarType":"METAR","raw":"METAR LTAC 212220Z VRB01KT CAVOK 06/04 Q1025 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VRB03KT","temp":8,"dewpoint":4,"humidity":76,"wind":1,"precipObserved":false,"correctedAt":"2026-10-22T20:58:43.376Z","originalRaw":"METAR LTAC 222050Z VRB02KT CAVOK 08/04 Q1024 NOSIG"}],"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/LTAC/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/LTAC/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for LTAC for the contract date (station-local calendar day), as published at https://weathermarket.io/station/LTAC/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/LTAC/2026-10-22","json":"https://weathermarket.io/api/station/LTAC/2026-10-22","record":"https://weathermarket.io/api/station/LTAC/2026-10-22?format=record","prev":"https://weathermarket.io/station/LTAC/2026-10-21","next":"https://weathermarket.io/station/LTAC/2026-10-23","station":"https://weathermarket.io/station/LTAC","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=LTAC&data=metar&year1=2026&month1=10&day1=21&year2=2026&month2=10&day2=23&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=LTAC&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=21&hora=21&anof=2026&mesf=10&dayf=22&horaf=20&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=LTAC"}}}