{"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":"2026-10-17","window":{"date":"2026-10-17","timezone":"America/Toronto","dayStartUtc":"2026-10-17T04:00:00.000Z","dayEndUtc":"2026-10-18T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":10,"tmaxAt":"2026-10-17T20:00:00.000Z","tmin":2,"tminAt":"2026-10-17T09:00:00.000Z","tavg":5.7,"humidityMean":59,"windMean":4.8,"windMax":8.2,"windMaxAt":"2026-10-17T15:00:00.000Z","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":"2026-10-17T20:00:00.000Z","obsTimeLocal":"2026-10-17T16:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 172000Z 26005KT 240V300 15SM SKC 10/M04 A3036 RMK SLP289","temp":10,"dewpoint":-4,"humidity":37,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T09:00:00.000Z","obsTimeLocal":"2026-10-17T05:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170900Z 34010KT 15SM FEW260 02/M02 A3025 RMK CI1 CI TR SLP249","temp":2,"dewpoint":-2,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T15:00:00.000Z","obsTimeLocal":"2026-10-17T11:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171500Z 35016KT 15SM FEW030 05/M04 A3040 RMK CU1 CU TR SLP300","temp":5,"dewpoint":-4,"humidity":52,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-18T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e872ba1420c4ed0f","lastChangedAt":"2026-10-18T03:07:38.421Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYZ/2026-10-17?format=record","status":"anchored","sha256":"10cc839209a2f14d63641ef703586d2a5297d93072e0aed239685f059e1dfd85","revision":"e872ba1420c4ed0f","flareTxHash":"0x4994c9bddc45bb7d4d460bff066bca5077a5fc31a8585d2dca6b572c8eb6ddbd","flareBlock":72385642,"anchoredAt":"2026-10-18T07:01:54.780Z","explorer":"https://flare-explorer.flare.network/tx/0x4994c9bddc45bb7d4d460bff066bca5077a5fc31a8585d2dca6b572c8eb6ddbd","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":"2026-10-17T20:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T09:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":10,"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":"2026-10-17T04:00:00.000Z","obsTimeLocal":"2026-10-17T00:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170400Z 34012G18KT 15SM FEW040 SCT065 06/02 A3012 RMK SC1SC3 SLP204","temp":6,"dewpoint":2,"humidity":76,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T05:00:00.000Z","obsTimeLocal":"2026-10-17T01:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170500Z 35012G18KT 15SM SCT043 05/01 A3014 RMK SC3 SLP213","temp":5,"dewpoint":1,"humidity":75,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T06:00:00.000Z","obsTimeLocal":"2026-10-17T02:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170600Z 35015G20KT 15SM FEW045 05/00 A3016 RMK CF1 CF TR SLP221","temp":5,"dewpoint":0,"humidity":70,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T07:00:00.000Z","obsTimeLocal":"2026-10-17T03:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170700Z 35012G17KT 15SM SKC 04/M01 A3019 RMK SLP231","temp":4,"dewpoint":-1,"humidity":70,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T08:00:00.000Z","obsTimeLocal":"2026-10-17T04:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170800Z 36012G17KT 15SM FEW260 03/M01 A3021 RMK CI1 CI TR SLP237","temp":3,"dewpoint":-1,"humidity":75,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T09:00:00.000Z","obsTimeLocal":"2026-10-17T05:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 170900Z 34010KT 15SM FEW260 02/M02 A3025 RMK CI1 CI TR SLP249","temp":2,"dewpoint":-2,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T10:00:00.000Z","obsTimeLocal":"2026-10-17T06:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171000Z 32009KT 15SM FEW045 02/M02 A3028 RMK SC1 SC TR SLP259","temp":2,"dewpoint":-2,"humidity":75,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T11:00:00.000Z","obsTimeLocal":"2026-10-17T07:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171100Z 34010KT 15SM FEW033 02/M02 A3031 RMK SC1 SLP272","temp":2,"dewpoint":-2,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T12:00:00.000Z","obsTimeLocal":"2026-10-17T08:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171200Z 33010KT 15SM SCT028 02/M02 A3034 RMK SC3 SLP280","temp":2,"dewpoint":-2,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T13:00:00.000Z","obsTimeLocal":"2026-10-17T09:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171300Z 35013G18KT 15SM FEW020 FEW030 03/M02 A3037 RMK CF1SC1 CF TR SLP290","temp":3,"dewpoint":-2,"humidity":70,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T14:00:00.000Z","obsTimeLocal":"2026-10-17T10:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171400Z 34015KT 15SM FEW030 04/M03 A3039 RMK SC1 SLP298","temp":4,"dewpoint":-3,"humidity":60,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T15:00:00.000Z","obsTimeLocal":"2026-10-17T11:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171500Z 35016KT 15SM FEW030 05/M04 A3040 RMK CU1 CU TR SLP300","temp":5,"dewpoint":-4,"humidity":52,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:00:00.000Z","obsTimeLocal":"2026-10-17T12:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171600Z 34012KT 15SM FEW030 07/M04 A3040 RMK CU1 CU TR SLP301","temp":7,"dewpoint":-4,"humidity":45,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:00:00.000Z","obsTimeLocal":"2026-10-17T13:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171700Z 32012KT 300V360 15SM FEW020 08/M04 A3040 RMK CU1 CU TR SLP301","temp":8,"dewpoint":-4,"humidity":42,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T18:00:00.000Z","obsTimeLocal":"2026-10-17T14:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171800Z 33005KT 300V060 15SM FEW050 09/M03 A3038 RMK SC1 SC TR SLP296","temp":9,"dewpoint":-3,"humidity":43,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:00:00.000Z","obsTimeLocal":"2026-10-17T15:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 171900Z VRB02KT 15SM SKC 09/M02 A3038 RMK SLP294","temp":9,"dewpoint":-2,"humidity":46,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:00:00.000Z","obsTimeLocal":"2026-10-17T16:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 172000Z 26005KT 240V300 15SM SKC 10/M04 A3036 RMK SLP289","temp":10,"dewpoint":-4,"humidity":37,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:00:00.000Z","obsTimeLocal":"2026-10-17T17:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 172100Z VRB02KT 15SM FEW050 10/M04 A3036 RMK SC1 SC TR SLP289","temp":10,"dewpoint":-4,"humidity":37,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T22:00:00.000Z","obsTimeLocal":"2026-10-17T18:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 172200Z 17007KT 15SM FEW050 09/M01 A3037 RMK SC1 SLP290","temp":9,"dewpoint":-1,"humidity":50,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T23:00:00.000Z","obsTimeLocal":"2026-10-17T19:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 172300Z 20004KT 160V220 15SM FEW050 08/M01 A3037 RMK SC1 SLP292","temp":8,"dewpoint":-1,"humidity":53,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T00:00:00.000Z","obsTimeLocal":"2026-10-17T20:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180000Z 24007KT 15SM FEW260 07/M04 A3038 RMK CI1 CI TR SLP295","temp":7,"dewpoint":-4,"humidity":45,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T01:00:00.000Z","obsTimeLocal":"2026-10-17T21:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180100Z 24007KT 15SM FEW260 06/M04 A3038 RMK CI1 CI TR SLP297","temp":6,"dewpoint":-4,"humidity":49,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T02:00:00.000Z","obsTimeLocal":"2026-10-17T22:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180200Z 26007KT 15SM SKC 05/M02 A3039 RMK SLP300","temp":5,"dewpoint":-2,"humidity":61,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T03:00:00.000Z","obsTimeLocal":"2026-10-17T23:00:00-04:00","metarType":"METAR","raw":"METAR CYYZ 180300Z 24006KT 15SM SKC 05/M02 A3040 RMK SLP301","temp":5,"dewpoint":-2,"humidity":61,"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/2026-10-17","json":"https://weathermarket.io/api/station/CYYZ/2026-10-17","record":"https://weathermarket.io/api/station/CYYZ/2026-10-17?format=record","prev":"https://weathermarket.io/station/CYYZ/2026-10-16","next":"https://weathermarket.io/station/CYYZ/2026-10-18","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=17&year2=2026&month2=10&day2=19&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=17&hora=4&anof=2026&mesf=10&dayf=18&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYZ"}}}