{"station":{"icao":"CYUL","city":{"slug":"montreal","name":"Montreal","country":"Canada"},"timezone":"America/Toronto","lat":45.5,"lon":-73.57,"us":false,"html":"https://weathermarket.io/station/CYUL","json":"https://weathermarket.io/api/station/CYUL","nwsCli":null},"date":"2026-11-01","window":{"date":"2026-11-01","timezone":"America/Toronto","dayStartUtc":"2026-11-01T04:00:00.000Z","dayEndUtc":"2026-11-02T05:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-05:00","hours":25},"complete":true,"values":{"tmax":15,"tmaxAt":"2026-11-01T20:00:00.000Z","tmin":0,"tminAt":"2026-11-01T08:00:00.000Z","tavg":7.4,"humidityMean":71,"windMean":3.1,"windMax":6.2,"windMaxAt":"2026-11-01T18:00:00.000Z","precipObservedCount":0,"nObservations":25,"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":"2026-11-01T20:00:00.000Z","obsTimeLocal":"2026-11-01T15:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 012000Z 28010KT 220V310 30SM FEW250 15/05 A3032 RMK CI1 CI TR SLP270","temp":15,"dewpoint":5,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-01T08:00:00.000Z","obsTimeLocal":"2026-11-01T03:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 010800Z 27005KT 15SM SKC 00/M02 A3045 RMK SLP314","temp":0,"dewpoint":-2,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-01T18:00:00.000Z","obsTimeLocal":"2026-11-01T13:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011800Z 23012KT 15SM FEW250 12/04 A3035 RMK CI1 SLP282","temp":12,"dewpoint":4,"humidity":58,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-02T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"9055eb1503383d8e","lastChangedAt":"2026-11-02T04:08:40.573Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYUL/2026-11-01?format=record","status":"anchored","sha256":"bef5deec654012a27f25704929c03051ea953f29fc5854473ab7e147552cd3bd","revision":"9055eb1503383d8e","flareTxHash":"0x6fa64d49a386fbb7f62f97942077a9f959e3c79ec17ef634aa0772fa91e78f16","flareBlock":73833174,"anchoredAt":"2026-11-05T21:01:40.919Z","explorer":"https://flare-explorer.flare.network/tx/0x6fa64d49a386fbb7f62f97942077a9f959e3c79ec17ef634aa0772fa91e78f16","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-01T20:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-01T08:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":15,"tmin":0,"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":"2026-11-01T04:00:00.000Z","obsTimeLocal":"2026-11-01T00:00:00-04:00","metarType":"METAR","raw":"METAR CYUL 010400Z 25004KT 15SM SKC 02/M03 A3045 RMK SLP315","temp":2,"dewpoint":-3,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T05:00:00.000Z","obsTimeLocal":"2026-11-01T01:00:00-04:00","metarType":"METAR","raw":"METAR CYUL 010500Z 00000KT 15SM SKC 02/M02 A3045 RMK SLP313","temp":2,"dewpoint":-2,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T06:00:00.000Z","obsTimeLocal":"2026-11-01T01:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 010600Z VRB02KT 15SM SKC 02/M01 A3045 RMK SLP313","temp":2,"dewpoint":-1,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T07:00:00.000Z","obsTimeLocal":"2026-11-01T02:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 010700Z 27002KT 15SM SKC 02/M01 A3045 RMK SLP314","temp":2,"dewpoint":-1,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T08:00:00.000Z","obsTimeLocal":"2026-11-01T03:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 010800Z 27005KT 15SM SKC 00/M02 A3045 RMK SLP314","temp":0,"dewpoint":-2,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T09:00:00.000Z","obsTimeLocal":"2026-11-01T04:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 010900Z 26003KT 15SM SKC 01/M01 A3044 RMK SLP311","temp":1,"dewpoint":-1,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T10:00:00.000Z","obsTimeLocal":"2026-11-01T05:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011000Z 28006KT 15SM SKC 01/M01 A3044 RMK SLP312","temp":1,"dewpoint":-1,"humidity":86,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T11:00:00.000Z","obsTimeLocal":"2026-11-01T06:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011100Z 23003KT 30SM FEW007 02/00 A3044 RMK SF1 SF TR SLP311","temp":2,"dewpoint":0,"humidity":87,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T12:00:00.000Z","obsTimeLocal":"2026-11-01T07:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011200Z 26005KT 30SM FEW007 01/00 A3045 RMK CF1 CF TR SLP314","temp":1,"dewpoint":0,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T13:00:00.000Z","obsTimeLocal":"2026-11-01T08:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011300Z 25006KT 30SM FEW008 04/03 A3046 RMK CF1 SLP318","temp":4,"dewpoint":3,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T14:00:00.000Z","obsTimeLocal":"2026-11-01T09:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011400Z 24007KT 220V290 30SM FEW015 06/02 A3044 RMK CF1 CF TR SLP311","temp":6,"dewpoint":2,"humidity":76,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T15:00:00.000Z","obsTimeLocal":"2026-11-01T10:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011500Z 23009KT 30SM FEW020 FEW250 08/02 A3043 RMK CF1CI1 CF TR CI TR SLP307","temp":8,"dewpoint":2,"humidity":66,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T16:00:00.000Z","obsTimeLocal":"2026-11-01T11:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011600Z 22007KT 30SM FEW250 10/04 A3041 RMK CI1 CI TR SLP302","temp":10,"dewpoint":4,"humidity":66,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T17:00:00.000Z","obsTimeLocal":"2026-11-01T12:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011700Z 22011KT 30SM FEW250 11/03 A3038 RMK CI1 CI TR SLP291","temp":11,"dewpoint":3,"humidity":58,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T18:00:00.000Z","obsTimeLocal":"2026-11-01T13:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011800Z 23012KT 15SM FEW250 12/04 A3035 RMK CI1 SLP282","temp":12,"dewpoint":4,"humidity":58,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T19:00:00.000Z","obsTimeLocal":"2026-11-01T14:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 011900Z 24010G15KT 30SM FEW250 14/04 A3033 RMK CI1 CI TR SLP274","temp":14,"dewpoint":4,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T20:00:00.000Z","obsTimeLocal":"2026-11-01T15:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 012000Z 28010KT 220V310 30SM FEW250 15/05 A3032 RMK CI1 CI TR SLP270","temp":15,"dewpoint":5,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T21:00:00.000Z","obsTimeLocal":"2026-11-01T16:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 012100Z 28008G15KT 30SM FEW250 14/05 A3031 RMK CI1 CI TR SLP269","temp":14,"dewpoint":5,"humidity":55,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T22:00:00.000Z","obsTimeLocal":"2026-11-01T17:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 012200Z 25006KT 14SM FEW250 12/04 A3031 RMK CI1 CI TR SLP267","temp":12,"dewpoint":4,"humidity":58,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T23:00:00.000Z","obsTimeLocal":"2026-11-01T18:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 012300Z 25006KT 15SM FEW250 12/05 A3031 RMK CI1 CI TR SLP268","temp":12,"dewpoint":5,"humidity":62,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T00:00:00.000Z","obsTimeLocal":"2026-11-01T19:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 020000Z 24005KT 15SM FEW250 11/06 A3030 RMK CI1 CI TR SLP265","temp":11,"dewpoint":6,"humidity":71,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T01:00:00.000Z","obsTimeLocal":"2026-11-01T20:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 020100Z 24007KT 15SM FEW250 11/06 A3029 RMK CI1 CI TR SLP259","temp":11,"dewpoint":6,"humidity":71,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T02:00:00.000Z","obsTimeLocal":"2026-11-01T21:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 020200Z 24008KT 15SM SKC 12/05 A3027 RMK SLP255","temp":12,"dewpoint":5,"humidity":62,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T03:00:00.000Z","obsTimeLocal":"2026-11-01T22:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 020300Z 26005KT 15SM FEW220 11/05 A3027 RMK CC1 CC TR SLP253","temp":11,"dewpoint":5,"humidity":67,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T04:00:00.000Z","obsTimeLocal":"2026-11-01T23:00:00-05:00","metarType":"METAR","raw":"METAR CYUL 020400Z 25005KT 180V310 15SM FEW057 10/04 A3025 RMK SC1 SLP248","temp":10,"dewpoint":4,"humidity":66,"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/CYUL/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/CYUL/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for CYUL for the contract date (station-local calendar day), as published at https://weathermarket.io/station/CYUL/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/CYUL/2026-11-01","json":"https://weathermarket.io/api/station/CYUL/2026-11-01","record":"https://weathermarket.io/api/station/CYUL/2026-11-01?format=record","prev":"https://weathermarket.io/station/CYUL/2026-10-31","next":"https://weathermarket.io/station/CYUL/2026-11-02","station":"https://weathermarket.io/station/CYUL","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=CYUL&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=CYUL&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=11&day=1&hora=4&anof=2026&mesf=11&dayf=2&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYUL"}}}