{"station":{"icao":"CYYZ","city":{"slug":"toronto","name":"Toronto","country":"Canada"},"timezone":"America/Toronto","lat":43.65,"lon":-79.38,"us":false,"html":"https://weathermarket.io/station/CYYZ","json":"https://weathermarket.io/api/station/CYYZ","nwsCli":null},"date":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Toronto","dayStartUtc":"2026-10-18T04:00:00.000Z","dayEndUtc":"2026-10-19T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":18,"tmaxAt":"2026-10-18T19:00:00.000Z","tmin":4,"tminAt":"2026-10-18T07:00:00.000Z","tavg":10.6,"humidityMean":53.5,"windMean":4.9,"windMax":7.2,"windMaxAt":"2026-10-18T18:00:00.000Z","precipObservedCount":0,"nObservations":24,"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":"2026-10-18T19:00:00.000Z","obsTimeLocal":"2026-10-18T15:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181900Z 24013G19KT 15SM FEW260 18/M01 A3042 RMK CI1 SLP306","temp":18,"dewpoint":-1,"humidity":28,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T07:00:00.000Z","obsTimeLocal":"2026-10-18T03:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180700Z 25007KT 15SM SKC 04/M00 A3041 RMK SLP306","temp":4,"dewpoint":0,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T18:00:00.000Z","obsTimeLocal":"2026-10-18T14:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181800Z 25014G20KT 15SM FEW260 17/M01 A3043 RMK CI1 CI TR SLP309","temp":17,"dewpoint":-1,"humidity":29,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"fdea9d4481e97c29","lastChangedAt":"2026-10-19T03:07:38.598Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYZ/2026-10-18?format=record","status":"anchored","sha256":"81e2f0c9b5f1c74db6cc6de7c713c894357a88ee4a52318215411e9681393af7","revision":"fdea9d4481e97c29","flareTxHash":"0x0979db42477d6b5889c9056db8604e20986724061f63977cbf2f27725122e23c","flareBlock":72462385,"anchoredAt":"2026-10-19T07:01:49.841Z","explorer":"https://flare-explorer.flare.network/tx/0x0979db42477d6b5889c9056db8604e20986724061f63977cbf2f27725122e23c","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":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-18T19:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T07:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18,"tmin":4,"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":"2026-10-18T04:00:00.000Z","obsTimeLocal":"2026-10-18T00:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180400Z 25004KT 15SM SKC 06/M01 A3040 RMK SLP300","temp":6,"dewpoint":-1,"humidity":61,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:00:00.000Z","obsTimeLocal":"2026-10-18T01:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180500Z 25007KT 15SM SKC 06/M01 A3039 RMK SLP299","temp":6,"dewpoint":-1,"humidity":61,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:00:00.000Z","obsTimeLocal":"2026-10-18T02:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180600Z 22005KT 15SM SKC 06/M01 A3040 RMK SLP303","temp":6,"dewpoint":-1,"humidity":61,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:00:00.000Z","obsTimeLocal":"2026-10-18T03:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180700Z 25007KT 15SM SKC 04/M00 A3041 RMK SLP306","temp":4,"dewpoint":0,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:00:00.000Z","obsTimeLocal":"2026-10-18T04:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180800Z 25011KT 15SM SKC 05/00 A3042 RMK SLP308","temp":5,"dewpoint":0,"humidity":70,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:00:00.000Z","obsTimeLocal":"2026-10-18T05:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180900Z 25009KT 15SM SKC 05/00 A3043 RMK SLP311","temp":5,"dewpoint":0,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:00:00.000Z","obsTimeLocal":"2026-10-18T06:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181000Z 25011KT 15SM SKC 05/00 A3044 RMK SLP315","temp":5,"dewpoint":0,"humidity":70,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:00:00.000Z","obsTimeLocal":"2026-10-18T07:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181100Z 27009KT 15SM FEW050 FEW260 05/00 A3046 RMK SC1CI1 SC TR CI TR SLP321","temp":5,"dewpoint":0,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:00:00.000Z","obsTimeLocal":"2026-10-18T08:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181200Z 25007KT 15SM SCT260 04/00 A3046 RMK CI3 SLP324","temp":4,"dewpoint":0,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:00:00.000Z","obsTimeLocal":"2026-10-18T09:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181300Z 25009KT 15SM SCT260 07/01 A3047 RMK CI4 SLP325","temp":7,"dewpoint":1,"humidity":66,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:00:00.000Z","obsTimeLocal":"2026-10-18T10:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181400Z 24011KT 15SM FEW260 10/02 A3048 RMK CI1 SLP327","temp":10,"dewpoint":2,"humidity":58,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:00:00.000Z","obsTimeLocal":"2026-10-18T11:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181500Z 24011G17KT 15SM FEW260 13/02 A3048 RMK CI2 SLP327","temp":13,"dewpoint":2,"humidity":47,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:00:00.000Z","obsTimeLocal":"2026-10-18T12:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181600Z 24011G17KT 15SM FEW260 14/01 A3047 RMK CI1 SLP323","temp":14,"dewpoint":1,"humidity":41,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:00:00.000Z","obsTimeLocal":"2026-10-18T13:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181700Z 24012G19KT 15SM FEW250 16/M01 A3045 RMK CI1 SLP316","temp":16,"dewpoint":-1,"humidity":31,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:00:00.000Z","obsTimeLocal":"2026-10-18T14:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181800Z 25014G20KT 15SM FEW260 17/M01 A3043 RMK CI1 CI TR SLP309","temp":17,"dewpoint":-1,"humidity":29,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:00:00.000Z","obsTimeLocal":"2026-10-18T15:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 181900Z 24013G19KT 15SM FEW260 18/M01 A3042 RMK CI1 SLP306","temp":18,"dewpoint":-1,"humidity":28,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:00:00.000Z","obsTimeLocal":"2026-10-18T16:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 182000Z 23010G19KT 15SM FEW260 18/M01 A3040 RMK CI1 SLP300","temp":18,"dewpoint":-1,"humidity":28,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:00:00.000Z","obsTimeLocal":"2026-10-18T17:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 182100Z 21013KT 15SM FEW260 18/00 A3040 RMK CI1 CI TR SLP299","temp":18,"dewpoint":0,"humidity":30,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:00:00.000Z","obsTimeLocal":"2026-10-18T18:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 182200Z 22013KT 15SM FEW260 16/01 A3039 RMK CI1 CI TR SLP297","temp":16,"dewpoint":1,"humidity":36,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:00:00.000Z","obsTimeLocal":"2026-10-18T19:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 182300Z 19010G17KT 15SM FEW260 15/02 A3040 RMK CI1 CI TR SLP299","temp":15,"dewpoint":2,"humidity":41,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:00:00.000Z","obsTimeLocal":"2026-10-18T20:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 190000Z 21013G18KT 15SM SKC 13/04 A3040 RMK SLP301","temp":13,"dewpoint":4,"humidity":54,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:00:00.000Z","obsTimeLocal":"2026-10-18T21:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 190100Z 22009G15KT 15SM SKC 12/04 A3041 RMK SLP303","temp":12,"dewpoint":4,"humidity":58,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:00:00.000Z","obsTimeLocal":"2026-10-18T22:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 190200Z 21005KT 15SM SKC 11/04 A3040 RMK SLP301","temp":11,"dewpoint":4,"humidity":62,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:00:00.000Z","obsTimeLocal":"2026-10-18T23:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 190300Z 20006KT 15SM SKC 11/04 A3040 RMK SLP301","temp":11,"dewpoint":4,"humidity":62,"wind":3.1,"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/CYYZ/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/CYYZ/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for CYYZ for the contract date (station-local calendar day), as published at https://weathermarket.io/station/CYYZ/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/CYYZ/2026-10-18","json":"https://weathermarket.io/api/station/CYYZ/2026-10-18","record":"https://weathermarket.io/api/station/CYYZ/2026-10-18?format=record","prev":"https://weathermarket.io/station/CYYZ/2026-10-17","next":"https://weathermarket.io/station/CYYZ/2026-10-19","station":"https://weathermarket.io/station/CYYZ","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=CYYZ&data=metar&year1=2026&month1=10&day1=18&year2=2026&month2=10&day2=20&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=CYYZ&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=18&hora=4&anof=2026&mesf=10&dayf=19&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYZ"}}}