{"station":{"icao":"CYYC","city":{"slug":"calgary","name":"Calgary","country":"Canada"},"timezone":"America/Edmonton","lat":51.05,"lon":-114.07,"us":false,"html":"https://weathermarket.io/station/CYYC","json":"https://weathermarket.io/api/station/CYYC","nwsCli":null},"date":"2026-10-30","window":{"date":"2026-10-30","timezone":"America/Edmonton","dayStartUtc":"2026-10-30T06:00:00.000Z","dayEndUtc":"2026-10-31T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":1,"tmaxAt":"2026-10-31T02:00:00.000Z","tmin":-2,"tminAt":"2026-10-30T06:00:00.000Z","tavg":-1,"humidityMean":87.9,"windMean":4.8,"windMax":6.2,"windMaxAt":"2026-10-30T11:00:00.000Z","precipObservedCount":0,"nObservations":31,"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":"2026-10-31T02:00:00.000Z","obsTimeLocal":"2026-10-30T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310200Z 18012KT 10SM OVC014 01/M02 A3000 RMK SC8 SLP210","temp":1,"dewpoint":-2,"humidity":80,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-30T06:00:00.000Z","obsTimeLocal":"2026-10-30T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 300600Z 18008KT 10SM OVC011 M02/M04 A3012 RMK SC8 SLP260","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-30T11:00:00.000Z","obsTimeLocal":"2026-10-30T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301100Z 18012KT 15SM OVC009 M02/M03 A3010 RMK SC8 SLP250","temp":-2,"dewpoint":-3,"humidity":93,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-31T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"5452c6493140ac75","lastChangedAt":"2026-10-31T05:07:41.113Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-30?format=record","status":"anchored","sha256":"946670dc7f36cdce1b74a97946dc4ff1fa63dee655e0c94040d52fca04d44253","revision":"5452c6493140ac75","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":31,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-31T02:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-30T06:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":1,"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":"2026-10-30T06:00:00.000Z","obsTimeLocal":"2026-10-30T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 300600Z 18008KT 10SM OVC011 M02/M04 A3012 RMK SC8 SLP260","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T07:00:00.000Z","obsTimeLocal":"2026-10-30T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 300700Z 21009KT 10SM OVC012 M02/M05 A3012 RMK SC8 SLP259","temp":-2,"dewpoint":-5,"humidity":80,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:00:00.000Z","obsTimeLocal":"2026-10-30T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 300800Z 20008KT 10SM OVC011 M02/M04 A3012 RMK SC8 SLP258","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:31:00.000Z","obsTimeLocal":"2026-10-30T02:31:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 300831Z 18009KT 10SM OVC009 M02/M04 A3011 RMK SC8 SLP255","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T09:00:00.000Z","obsTimeLocal":"2026-10-30T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 300900Z 19010G15KT 10SM OVC010 M02/M04 A3011 RMK SC8 SLP255","temp":-2,"dewpoint":-4,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:00:00.000Z","obsTimeLocal":"2026-10-30T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301000Z 18008KT 15SM OVC011 M02/M04 A3011 RMK SC8 SLP253","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:27:00.000Z","obsTimeLocal":"2026-10-30T04:27:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 301027Z 19008KT 15SM OVC009 M02/M04 A3010 RMK SC8 SLP251","temp":-2,"dewpoint":-4,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:00:00.000Z","obsTimeLocal":"2026-10-30T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301100Z 18012KT 15SM OVC009 M02/M03 A3010 RMK SC8 SLP250","temp":-2,"dewpoint":-3,"humidity":93,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:25:00.000Z","obsTimeLocal":"2026-10-30T05:25:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 301125Z 19011KT 10SM FEW007 OVC010 M02/M04 A3010 RMK SF1SC8 SF TR SLP250","temp":-2,"dewpoint":-4,"humidity":86,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:45:00.000Z","obsTimeLocal":"2026-10-30T05:45:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 301145Z 16008KT 150V220 10SM FEW006 BKN010 M02/M03 A3010 RMK SF1SC8 SF TR SLP249","temp":-2,"dewpoint":-3,"humidity":93,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T12:00:00.000Z","obsTimeLocal":"2026-10-30T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301200Z 19011KT 15SM FEW006 BKN009 M02/M03 A3010 RMK SF1SC8 SF TR SLP249","temp":-2,"dewpoint":-3,"humidity":93,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:00:00.000Z","obsTimeLocal":"2026-10-30T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301300Z 19009KT 9SM FEW007 BKN010 M02/M03 A3009 RMK SC2SC5 VIS LWR S SLP246","temp":-2,"dewpoint":-3,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:49:00.000Z","obsTimeLocal":"2026-10-30T07:49:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 301349Z 18008KT 8SM OVC006 M02/M03 A3008 RMK ST8 SLP243","temp":-2,"dewpoint":-3,"humidity":93,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T14:00:00.000Z","obsTimeLocal":"2026-10-30T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301400Z 17008KT 4SM BR OVC005 M02/M03 A3009 RMK ST8 SLP244","temp":-2,"dewpoint":-3,"humidity":93,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T15:00:00.000Z","obsTimeLocal":"2026-10-30T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301500Z 17007KT 4SM BR OVC005 M02/M03 A3009 RMK ST8 SLP246","temp":-2,"dewpoint":-3,"humidity":93,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T16:00:00.000Z","obsTimeLocal":"2026-10-30T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301600Z 18008KT 4SM BR BKN005 OVC018 M02/M02 A3009 RMK SC7SC1 SLP244","temp":-2,"dewpoint":-2,"humidity":100,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:00:00.000Z","obsTimeLocal":"2026-10-30T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301700Z 19009KT 4SM BR OVC007 M01/M02 A3008 RMK SC8 SLP240","temp":-1,"dewpoint":-2,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:00:00.000Z","obsTimeLocal":"2026-10-30T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301800Z 18009KT 4SM BR OVC006 M01/M02 A3006 RMK SC8 SLP233","temp":-1,"dewpoint":-2,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:00:00.000Z","obsTimeLocal":"2026-10-30T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 301900Z 18008KT 9SM OVC009 M00/M02 A3005 RMK SC8 SLP227","temp":0,"dewpoint":-2,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:24:00.000Z","obsTimeLocal":"2026-10-30T13:24:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 301924Z 18008KT 9SM OVC011 M00/M02 A3004 RMK SC8 SLP225","temp":0,"dewpoint":-2,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:00:00.000Z","obsTimeLocal":"2026-10-30T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 302000Z 19008KT 9SM OVC009 00/M02 A3003 RMK SC8 SLP222","temp":0,"dewpoint":-2,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:37:00.000Z","obsTimeLocal":"2026-10-30T14:37:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 302037Z 18010KT 9SM OVC011 00/M02 A3003 RMK SC8 SLP220","temp":0,"dewpoint":-2,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T21:00:00.000Z","obsTimeLocal":"2026-10-30T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 302100Z 18010G16KT 9SM OVC011 00/M02 A3003 RMK SC8 SLP219","temp":0,"dewpoint":-2,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:00:00.000Z","obsTimeLocal":"2026-10-30T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 302200Z 17010KT 10SM OVC011 00/M02 A3002 RMK SC8 SLP216","temp":0,"dewpoint":-2,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:00:00.000Z","obsTimeLocal":"2026-10-30T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 302300Z 18011KT 10SM OVC012 00/M02 A3001 RMK SC8 SLP212","temp":0,"dewpoint":-2,"humidity":86,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:00:00.000Z","obsTimeLocal":"2026-10-30T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310000Z 18010KT 10SM OVC011 00/M01 A3001 RMK SC8 SLP213","temp":0,"dewpoint":-1,"humidity":93,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:00:00.000Z","obsTimeLocal":"2026-10-30T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310100Z 18010KT 15SM OVC012 00/M02 A3001 RMK SC8 SLP211","temp":0,"dewpoint":-2,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:00:00.000Z","obsTimeLocal":"2026-10-30T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310200Z 18012KT 10SM OVC014 01/M02 A3000 RMK SC8 SLP210","temp":1,"dewpoint":-2,"humidity":80,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:00:00.000Z","obsTimeLocal":"2026-10-30T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310300Z 18010G17KT 10SM OVC014 01/M02 A2999 RMK SC8 SLP207","temp":1,"dewpoint":-2,"humidity":80,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:00:00.000Z","obsTimeLocal":"2026-10-30T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310400Z 20010KT 10SM OVC012 01/M02 A2999 RMK SC8 SLP204","temp":1,"dewpoint":-2,"humidity":80,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:00:00.000Z","obsTimeLocal":"2026-10-30T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 310500Z 19011KT 10SM OVC012 00/M02 A2998 RMK SC8 SLP202","temp":0,"dewpoint":-2,"humidity":86,"wind":5.7,"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/CYYC/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/CYYC/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for CYYC for the contract date (station-local calendar day), as published at https://weathermarket.io/station/CYYC/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/CYYC/2026-10-30","json":"https://weathermarket.io/api/station/CYYC/2026-10-30","record":"https://weathermarket.io/api/station/CYYC/2026-10-30?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-29","next":"https://weathermarket.io/station/CYYC/2026-10-31","station":"https://weathermarket.io/station/CYYC","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=CYYC&data=metar&year1=2026&month1=10&day1=30&year2=2026&month2=11&day2=1&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=CYYC&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=30&hora=6&anof=2026&mesf=10&dayf=31&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}