{"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":"2026-10-03","window":{"date":"2026-10-03","timezone":"America/Edmonton","dayStartUtc":"2026-10-03T06:00:00.000Z","dayEndUtc":"2026-10-04T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":17,"tmaxAt":"2026-10-03T22:00:00.000Z","tmin":2,"tminAt":"2026-10-03T08:04:00.000Z","tavg":8.3,"humidityMean":63,"windMean":2,"windMax":6.2,"windMaxAt":"2026-10-03T20:00:00.000Z","precipObservedCount":0,"nObservations":26,"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":"2026-10-03T22:00:00.000Z","obsTimeLocal":"2026-10-03T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032200Z 15006KT 15SM FEW170 BKN220 17/02 A3018 RMK AC1CI5 AC TR SLP243 DENSITY ALT 4400FT","temp":17,"dewpoint":2,"humidity":36,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-03T08:04:00.000Z","obsTimeLocal":"2026-10-03T02:04:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 030804Z 03002KT 15SM FEW110 02/M00 A3015 RMK AC2 SLP234","temp":2,"dewpoint":0,"humidity":87,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-03T20:00:00.000Z","obsTimeLocal":"2026-10-03T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032000Z 16012KT 15SM SCT140 BKN220 14/03 A3020 RMK AC3CI4 SLP255 DENSITY ALT 4000FT","temp":14,"dewpoint":3,"humidity":47,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-04T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"40237bf0273b167b","lastChangedAt":"2026-10-04T05:08:38.791Z","corrections":[{"obsTimeUtc":"2026-10-03T13:19:00.000Z","correctedAt":"2026-10-03T13:27:39.378Z","original":"SPECI CYYC 031319Z 22002KT 15SM FEW120 SCT300 02/M01 A3022 RMK AC1CI3 AC TR SLP265","corrected":"SPECI CYYC 031319Z CCA 22002KT 15SM FEW120 SCT300 02/M01 A3022 RMK AC1CI3 AC TR CC ASOCTD SLP265"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-03?format=record","status":"anchored","sha256":"1a023547eefdc09e4529f3bb65a73f6e5948d772d5d37afae6eb451fd2547409","revision":"40237bf0273b167b","flareTxHash":"0xb03ab773ddadb319edc658ccc41f95c0c5019f51e540e50015ee3d4ce0f7f38b","flareBlock":71288540,"anchoredAt":"2026-10-04T09:01:10.698Z","explorer":"https://flare-explorer.flare.network/tx/0xb03ab773ddadb319edc658ccc41f95c0c5019f51e540e50015ee3d4ce0f7f38b","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":26,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-03T22:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-03T08:04:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17,"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":"2026-10-03T06:00:00.000Z","obsTimeLocal":"2026-10-03T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 030600Z 00000KT 15SM BKN110 06/01 A3011 RMK AC6 SLP218","temp":6,"dewpoint":1,"humidity":70,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T07:00:00.000Z","obsTimeLocal":"2026-10-03T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 030700Z VRB02KT 15SM SCT110 05/01 A3012 RMK AC3 SLP221","temp":5,"dewpoint":1,"humidity":75,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T08:00:00.000Z","obsTimeLocal":"2026-10-03T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 030800Z 00000KT 15SM FEW110 03/M00 A3015 RMK AC2 SLP233","temp":3,"dewpoint":0,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T08:04:00.000Z","obsTimeLocal":"2026-10-03T02:04:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 030804Z 03002KT 15SM FEW110 02/M00 A3015 RMK AC2 SLP234","temp":2,"dewpoint":0,"humidity":87,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T09:00:00.000Z","obsTimeLocal":"2026-10-03T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 030900Z VRB02KT 15SM SCT094 03/M01 A3017 RMK AC3 SLP237","temp":3,"dewpoint":-1,"humidity":75,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T10:00:00.000Z","obsTimeLocal":"2026-10-03T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031000Z 05002KT 15SM SCT089 03/M01 A3018 RMK AC3 SLP241","temp":3,"dewpoint":-1,"humidity":75,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T11:00:00.000Z","obsTimeLocal":"2026-10-03T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031100Z 00000KT 15SM FEW110 02/M01 A3019 RMK AC1 AC TR SLP246","temp":2,"dewpoint":-1,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T12:00:00.000Z","obsTimeLocal":"2026-10-03T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031200Z VRB02KT 15SM SKC 02/M01 A3021 RMK SLP255","temp":2,"dewpoint":-1,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T13:00:00.000Z","obsTimeLocal":"2026-10-03T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031300Z 00000KT 20SM FEW120 FEW300 03/M00 A3022 RMK AC1CI2 AC TR CONTRAILS SLP262","temp":3,"dewpoint":0,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T13:19:00.000Z","obsTimeLocal":"2026-10-03T07:19:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 031319Z CCA 22002KT 15SM FEW120 SCT300 02/M01 A3022 RMK AC1CI3 AC TR CC ASOCTD SLP265","temp":2,"dewpoint":-1,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":"2026-10-03T13:27:39.378Z","originalRaw":"SPECI CYYC 031319Z 22002KT 15SM FEW120 SCT300 02/M01 A3022 RMK AC1CI3 AC TR SLP265"},{"obsTimeUtc":"2026-10-03T14:00:00.000Z","obsTimeLocal":"2026-10-03T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031400Z 00000KT 20SM FEW120 SCT300 02/M02 A3024 RMK AC1CI4 AC TR CC ASOCTD / CONTRAILS SLP275","temp":2,"dewpoint":-2,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T15:00:00.000Z","obsTimeLocal":"2026-10-03T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031500Z 19002KT 20SM FEW130 BKN300 04/00 A3026 RMK AC1CI6 AC TR CC ASOCTD SLP281","temp":4,"dewpoint":0,"humidity":75,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T16:00:00.000Z","obsTimeLocal":"2026-10-03T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031600Z 21005KT 20SM FEW130 BKN220 08/02 A3026 RMK AC1CI7 AC TR CC ASOCTD SLP276","temp":8,"dewpoint":2,"humidity":66,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T17:00:00.000Z","obsTimeLocal":"2026-10-03T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031700Z 19007KT 20SM BKN210 10/01 A3025 RMK CI7 SLP272","temp":10,"dewpoint":1,"humidity":54,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T18:00:00.000Z","obsTimeLocal":"2026-10-03T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031800Z 17010KT 15SM BKN230 13/01 A3024 RMK CI7 SLP266 DENSITY ALT 3900FT","temp":13,"dewpoint":1,"humidity":44,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T19:00:00.000Z","obsTimeLocal":"2026-10-03T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 031900Z 18011G16KT 15SM BKN220 14/02 A3022 RMK CI7 CC ASOCTD SLP257 DENSITY ALT 4000FT","temp":14,"dewpoint":2,"humidity":44,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T20:00:00.000Z","obsTimeLocal":"2026-10-03T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032000Z 16012KT 15SM SCT140 BKN220 14/03 A3020 RMK AC3CI4 SLP255 DENSITY ALT 4000FT","temp":14,"dewpoint":3,"humidity":47,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T21:00:00.000Z","obsTimeLocal":"2026-10-03T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032100Z 17009KT 160V220 15SM FEW170 BKN200 16/02 A3019 RMK AC1CI6 SLP247 DENSITY ALT 4300FT","temp":16,"dewpoint":2,"humidity":39,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T22:00:00.000Z","obsTimeLocal":"2026-10-03T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032200Z 15006KT 15SM FEW170 BKN220 17/02 A3018 RMK AC1CI5 AC TR SLP243 DENSITY ALT 4400FT","temp":17,"dewpoint":2,"humidity":36,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T23:00:00.000Z","obsTimeLocal":"2026-10-03T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 032300Z 15006KT 15SM FEW170 BKN210 17/03 A3017 RMK AC1CI7 AC TR CC ASOCTD SLP241 DENSITY ALT 4400FT","temp":17,"dewpoint":3,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T00:00:00.000Z","obsTimeLocal":"2026-10-03T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040000Z 13007KT 12SM FEW170 BKN200 16/03 A3017 RMK AC1CC7 AC TR SLP240 DENSITY ALT 4300FT","temp":16,"dewpoint":3,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T01:00:00.000Z","obsTimeLocal":"2026-10-03T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040100Z 13004KT 110V200 12SM FEW160 BKN210 15/03 A3017 RMK AC1CI7 AC TR CC ASOCTD SLP241 DENSITY ALT 4300FT","temp":15,"dewpoint":3,"humidity":45,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T02:00:00.000Z","obsTimeLocal":"2026-10-03T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040200Z 14004KT 40SM FEW100 FEW180 SCT220 14/03 A3018 RMK AC1AC1CI2 AC TR SLP248 DENSITY ALT 4000FT","temp":14,"dewpoint":3,"humidity":47,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T03:00:00.000Z","obsTimeLocal":"2026-10-03T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040300Z 00000KT 15SM SKC 11/03 A3019 RMK SLP254","temp":11,"dewpoint":3,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T04:00:00.000Z","obsTimeLocal":"2026-10-03T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040400Z 35003KT 340V050 15SM SKC 08/03 A3021 RMK SLP260","temp":8,"dewpoint":3,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T05:00:00.000Z","obsTimeLocal":"2026-10-03T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040500Z 34004KT 15SM SKC 07/02 A3024 RMK SLP265","temp":7,"dewpoint":2,"humidity":70,"wind":2.1,"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/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/2026-10-03","json":"https://weathermarket.io/api/station/CYYC/2026-10-03","record":"https://weathermarket.io/api/station/CYYC/2026-10-03?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-02","next":"https://weathermarket.io/station/CYYC/2026-10-04","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=3&year2=2026&month2=10&day2=5&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=3&hora=6&anof=2026&mesf=10&dayf=4&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}