{"station":{"icao":"ZMCK","city":{"slug":"ulaanbaatar","name":"Ulaanbaatar","country":"Mongolia"},"timezone":"Asia/Ulaanbaatar","lat":47.89,"lon":106.91,"us":false,"html":"https://weathermarket.io/station/ZMCK","json":"https://weathermarket.io/api/station/ZMCK","nwsCli":null},"date":"2026-11-09","window":{"date":"2026-11-09","timezone":"Asia/Ulaanbaatar","dayStartUtc":"2026-11-08T16:00:00.000Z","dayEndUtc":"2026-11-09T16:00:00.000Z","utcOffsetStart":"+08:00","utcOffsetEnd":"+08:00","hours":24},"complete":true,"values":{"tmax":3,"tmaxAt":"2026-11-09T06:30:00.000Z","tmin":-16,"tminAt":"2026-11-08T23:30:00.000Z","tavg":-5.6,"humidityMean":43.6,"windMean":3.5,"windMax":6.2,"windMaxAt":"2026-11-09T13:00:00.000Z","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":"2026-11-09T06:30:00.000Z","obsTimeLocal":"2026-11-09T14:30:00+08:00","metarType":"METAR","raw":"METAR ZMCK 090630Z 29005MPS CAVOK 03/M15 Q1027 NOSIG RMK QFE653.6 25","temp":3,"dewpoint":-15,"humidity":25,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-08T23:30:00.000Z","obsTimeLocal":"2026-11-09T07:30:00+08:00","metarType":"METAR","raw":"METAR ZMCK 082330Z VRB02MPS CAVOK M16/M20 Q1029 NOSIG RMK QFE655.0 67","temp":-16,"dewpoint":-20,"humidity":71,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-09T13:00:00.000Z","obsTimeLocal":"2026-11-09T21:00:00+08:00","metarType":"METAR","raw":"METAR ZMCK 091300Z 05006MPS CAVOK M04/M16 Q1023 NOSIG RMK QFE651.4 37","temp":-4,"dewpoint":-16,"humidity":39,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-09T19:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"d8951ad46fe64bb5","lastChangedAt":"2026-11-09T15:32:38.160Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/ZMCK/2026-11-09?format=record","status":"anchored","sha256":"7f238867842d0d02085ad7d660fa45e4f896992d0fb057dcd5d2904bf81f662e","revision":"d8951ad46fe64bb5","flareTxHash":"0x53a16aa674d18c5fac411bbdc1ccd9bbe29332dbd4237fdd6629e8da282ad031","flareBlock":74146620,"anchoredAt":"2026-11-09T19:01:25.507Z","explorer":"https://flare-explorer.flare.network/tx/0x53a16aa674d18c5fac411bbdc1ccd9bbe29332dbd4237fdd6629e8da282ad031","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":1,"bad":0,"flagged":[{"obsTimeUtc":"2026-11-08T23:30:00.000Z","flag":"suspect","reasons":["step: temperature changed 6 C in 30 min (> 5)"]}]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-09T06:30:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-08T23:30:00.000Z","flag":"suspect","reasons":["step: temperature changed 6 C in 30 min (> 5)"]},"anyFlagged":true},"excludingBad":{"tmax":3,"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":"2026-11-08T16:00:00.000Z","obsTimeLocal":"2026-11-09T00:00:00+08:00","metarType":"METAR","raw":"METAR ZMCK 081600Z 06004MPS CAVOK M09/M17 Q1031 NOSIG RMK QFE656.0 49","temp":-9,"dewpoint":-17,"humidity":52,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T16:30:00.000Z","obsTimeLocal":"2026-11-09T00:30:00+08:00","metarType":"METAR","raw":"METAR ZMCK 081630Z 07003MPS CAVOK M09/M17 Q1030 NOSIG RMK QFE655.9 47","temp":-9,"dewpoint":-17,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T17:00:00.000Z","obsTimeLocal":"2026-11-09T01:00:00+08:00","metarType":"METAR","raw":"METAR ZMCK 081700Z VRB02MPS CAVOK M12/M19 Q1030 NOSIG RMK QFE655.6 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43","temp":-6,"dewpoint":-16,"humidity":45,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T14:30:00.000Z","obsTimeLocal":"2026-11-09T22:30:00+08:00","metarType":"METAR","raw":"METAR ZMCK 091430Z 08004MPS CAVOK M06/M16 Q1023 NOSIG RMK QFE651.0 42","temp":-6,"dewpoint":-16,"humidity":45,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T15:00:00.000Z","obsTimeLocal":"2026-11-09T23:00:00+08:00","metarType":"METAR","raw":"METAR ZMCK 091500Z 06003MPS CAVOK M06/M15 Q1022 NOSIG RMK QFE650.5 43","temp":-6,"dewpoint":-15,"humidity":49,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T15:30:00.000Z","obsTimeLocal":"2026-11-09T23:30:00+08:00","metarType":"METAR","raw":"METAR ZMCK 091530Z 05004MPS CAVOK M04/M15 Q1022 NOSIG RMK QFE650.2 39","temp":-4,"dewpoint":-15,"humidity":42,"wind":4.1,"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/ZMCK/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/ZMCK/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for ZMCK for the contract date (station-local calendar day), as published at https://weathermarket.io/station/ZMCK/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/ZMCK/2026-11-09","json":"https://weathermarket.io/api/station/ZMCK/2026-11-09","record":"https://weathermarket.io/api/station/ZMCK/2026-11-09?format=record","prev":"https://weathermarket.io/station/ZMCK/2026-11-08","next":"https://weathermarket.io/station/ZMCK/2026-11-10","station":"https://weathermarket.io/station/ZMCK","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=ZMCK&data=metar&year1=2026&month1=11&day1=8&year2=2026&month2=11&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=ZMCK&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=8&hora=16&anof=2026&mesf=11&dayf=9&horaf=15&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=ZMCK"}}}