{"station":{"icao":"VVNB","city":{"slug":"hanoi","name":"Hanoi","country":"Vietnam"},"timezone":"Asia/Bangkok","lat":21.03,"lon":105.85,"us":false,"html":"https://weathermarket.io/station/VVNB","json":"https://weathermarket.io/api/station/VVNB","nwsCli":null},"date":"2026-11-02","window":{"date":"2026-11-02","timezone":"Asia/Bangkok","dayStartUtc":"2026-11-01T17:00:00.000Z","dayEndUtc":"2026-11-02T17:00:00.000Z","utcOffsetStart":"+07:00","utcOffsetEnd":"+07:00","hours":24},"complete":true,"values":{"tmax":33,"tmaxAt":"2026-11-02T06:00:00.000Z","tmin":25,"tminAt":"2026-11-01T23:00:00.000Z","tavg":28.2,"humidityMean":80.2,"windMean":3,"windMax":6.2,"windMaxAt":"2026-11-02T07:00:00.000Z","precipObservedCount":2,"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":"2026-11-02T06:00:00.000Z","obsTimeLocal":"2026-11-02T13:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 020600Z 09007KT 040V120 9999 SCT031 SCT052 BKN059 33/24 Q1014 NOSIG","temp":33,"dewpoint":24,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-01T23:00:00.000Z","obsTimeLocal":"2026-11-02T06:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 012300Z 07004KT 4800 BR FEW013 25/24 Q1016 NOSIG","temp":25,"dewpoint":24,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-02T07:00:00.000Z","obsTimeLocal":"2026-11-02T14:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 020700Z 13012KT 9999 -RA BKN033 BKN039 29/25 Q1014 TEMPO FM0745 3500 SHRA","temp":29,"dewpoint":25,"humidity":79,"wind":6.2,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-02T20:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":30,"normalIntervalMin":30,"thresholdMinutes":60},"reasons":[],"holdHours":3},"revision":"a55eaf5d77a37e50","lastChangedAt":"2026-11-02T16:37:49.634Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/VVNB/2026-11-02?format=record","status":"anchored","sha256":"dd3ff7878e943e9b07154a1bad45fe7b6c14890150f6947d3b8362178036b651","revision":"a55eaf5d77a37e50","flareTxHash":"0x5ebdc58f1175ced0067868986a8178da8ea524ced9eb22f02e7f4c79e2dfda06","flareBlock":73812870,"anchoredAt":"2026-11-05T15:02:28.982Z","explorer":"https://flare-explorer.flare.network/tx/0x5ebdc58f1175ced0067868986a8178da8ea524ced9eb22f02e7f4c79e2dfda06","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":"2026-11-02T06:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-01T23:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":33,"tmin":25,"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":"2026-11-01T17:00:00.000Z","obsTimeLocal":"2026-11-02T00:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 011700Z 11007KT 9999 FEW026 SCT069 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T17:30:00.000Z","obsTimeLocal":"2026-11-02T00:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 011730Z 10007KT 9999 FEW022 SCT067 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T18:00:00.000Z","obsTimeLocal":"2026-11-02T01:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 011800Z 11007KT 9999 SCT026 BKN069 BKN080 27/25 Q1016 NOSIG","temp":27,"dewpoint":25,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T18:30:00.000Z","obsTimeLocal":"2026-11-02T01:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 011830Z 10006KT 9999 FEW024 SCT068 BKN079 27/25 Q1015 NOSIG","temp":27,"dewpoint":25,"humidity":89,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T19:00:00.000Z","obsTimeLocal":"2026-11-02T02:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 011900Z 10005KT 9999 FEW020 BKN068 27/25 Q1015 NOSIG","temp":27,"dewpoint":25,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T19:30:00.000Z","obsTimeLocal":"2026-11-02T02:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 011930Z 09004KT 070V140 9999 FEW020 BKN068 BKN086 26/25 Q1015 NOSIG","temp":26,"dewpoint":25,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T20:00:00.000Z","obsTimeLocal":"2026-11-02T03:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 012000Z 05003KT 9000 BKN018 BKN072 26/25 Q1015 NOSIG","temp":26,"dewpoint":25,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T20:30:00.000Z","obsTimeLocal":"2026-11-02T03:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 012030Z 06004KT 9999 FEW017 SCT072 BKN085 26/25 Q1015 NOSIG","temp":26,"dewpoint":25,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T21:00:00.000Z","obsTimeLocal":"2026-11-02T04:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 012100Z 07004KT 8000 BKN015 BKN023 BKN037 26/25 Q1015 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SHRA","temp":30,"dewpoint":24,"humidity":70,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T11:00:00.000Z","obsTimeLocal":"2026-11-02T18:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021100Z 11009KT 9999 FEW030TCU BKN048 BKN076 29/23 Q1014 NOSIG","temp":29,"dewpoint":23,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T11:30:00.000Z","obsTimeLocal":"2026-11-02T18:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021130Z 10009KT 9999 FEW030TCU BKN048 28/23 Q1014 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T12:00:00.000Z","obsTimeLocal":"2026-11-02T19:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021200Z 12009KT CAVOK 28/23 Q1015 NOSIG","temp":28,"dewpoint":23,"humidity":74,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T12:30:00.000Z","obsTimeLocal":"2026-11-02T19:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021230Z 12007KT CAVOK 28/24 Q1015 NOSIG","temp":28,"dewpoint":24,"humidity":79,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T13:00:00.000Z","obsTimeLocal":"2026-11-02T20:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021300Z 09006KT 060V120 CAVOK 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T13:30:00.000Z","obsTimeLocal":"2026-11-02T20:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021330Z 08005KT 040V100 CAVOK 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T14:00:00.000Z","obsTimeLocal":"2026-11-02T21:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021400Z 09005KT 9999 FEW042 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T14:30:00.000Z","obsTimeLocal":"2026-11-02T21:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021430Z 10007KT 9999 FEW038 27/24 Q1016 NOSIG","temp":27,"dewpoint":24,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T15:00:00.000Z","obsTimeLocal":"2026-11-02T22:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021500Z 08004KT 9999 FEW019 26/24 Q1016 NOSIG","temp":26,"dewpoint":24,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T15:30:00.000Z","obsTimeLocal":"2026-11-02T22:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021530Z 06004KT 020V090 CAVOK 26/24 Q1017 NOSIG","temp":26,"dewpoint":24,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T16:00:00.000Z","obsTimeLocal":"2026-11-02T23:00:00+07:00","metarType":"METAR","raw":"METAR VVNB 021600Z 06005KT 020V080 9999 FEW025 BKN048 26/24 Q1017 NOSIG","temp":26,"dewpoint":24,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T16:30:00.000Z","obsTimeLocal":"2026-11-02T23:30:00+07:00","metarType":"METAR","raw":"METAR VVNB 021630Z 07005KT 020V080 9999 BKN026 BKN049 OVC067 26/23 Q1016 NOSIG","temp":26,"dewpoint":23,"humidity":84,"wind":2.6,"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/VVNB/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/VVNB/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for VVNB for the contract date (station-local calendar day), as published at https://weathermarket.io/station/VVNB/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/VVNB/2026-11-02","json":"https://weathermarket.io/api/station/VVNB/2026-11-02","record":"https://weathermarket.io/api/station/VVNB/2026-11-02?format=record","prev":"https://weathermarket.io/station/VVNB/2026-11-01","next":"https://weathermarket.io/station/VVNB/2026-11-03","station":"https://weathermarket.io/station/VVNB","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=VVNB&data=metar&year1=2026&month1=11&day1=1&year2=2026&month2=11&day2=3&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=VVNB&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=1&hora=17&anof=2026&mesf=11&dayf=2&horaf=16&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=VVNB"}}}