{"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":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Edmonton","dayStartUtc":"2026-10-18T06:00:00.000Z","dayEndUtc":"2026-10-19T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":12,"tmaxAt":"2026-10-18T20:00:00.000Z","tmin":1,"tminAt":"2026-10-18T11:00:00.000Z","tavg":6.9,"humidityMean":40.3,"windMean":3.7,"windMax":7.7,"windMaxAt":"2026-10-18T18:00:00.000Z","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":"2026-10-18T20:00:00.000Z","obsTimeLocal":"2026-10-18T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 182000Z 16012G17KT 40SM FEW060 FEW250 12/M06 A3011 RMK CF1CI1 CF TR SLP217 DENSITY ALT 3900FT","temp":12,"dewpoint":-6,"humidity":28,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T11:00:00.000Z","obsTimeLocal":"2026-10-18T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181100Z 08008KT 070V190 15SM SKC 01/M08 A3008 RMK SLP210","temp":1,"dewpoint":-8,"humidity":51,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T18:00:00.000Z","obsTimeLocal":"2026-10-18T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181800Z 18015G21KT 40SM FEW050 FEW250 10/M06 A3013 RMK CF1CI1 CF TR CI TR SLP226","temp":10,"dewpoint":-6,"humidity":32,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e10bb48ee443cccf","lastChangedAt":"2026-10-19T05:38:38.475Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-18?format=record","status":"anchored","sha256":"5868cd038fea3e50e0bccc3b1277ad0ff409a81061f9741e4732109c2cf60f39","revision":"e10bb48ee443cccf","flareTxHash":"0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","flareBlock":72468350,"anchoredAt":"2026-10-19T09:01:37.159Z","explorer":"https://flare-explorer.flare.network/tx/0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","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":"2026-10-18T20:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T11:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":12,"tmin":1,"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":"2026-10-18T06:00:00.000Z","obsTimeLocal":"2026-10-18T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180600Z 31011G18KT 15SM SKC 10/M08 A2997 RMK SLP156","temp":10,"dewpoint":-8,"humidity":27,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:00:00.000Z","obsTimeLocal":"2026-10-18T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180700Z 28013G20KT 15SM SKC 10/M08 A2999 RMK SLP161","temp":10,"dewpoint":-8,"humidity":27,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:00:00.000Z","obsTimeLocal":"2026-10-18T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180800Z 30008KT 15SM SKC 08/M08 A3001 RMK SLP173","temp":8,"dewpoint":-8,"humidity":31,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:00:00.000Z","obsTimeLocal":"2026-10-18T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180900Z VRB02KT 15SM SKC 06/M08 A3004 RMK SLP184","temp":6,"dewpoint":-8,"humidity":36,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:00:00.000Z","obsTimeLocal":"2026-10-18T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181000Z 21004KT 15SM SKC 04/M07 A3005 RMK SLP193","temp":4,"dewpoint":-7,"humidity":45,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:00:00.000Z","obsTimeLocal":"2026-10-18T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181100Z 08008KT 070V190 15SM SKC 01/M08 A3008 RMK SLP210","temp":1,"dewpoint":-8,"humidity":51,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:00:00.000Z","obsTimeLocal":"2026-10-18T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181200Z VRB02KT 15SM SKC 02/M07 A3009 RMK SLP216","temp":2,"dewpoint":-7,"humidity":51,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:00:00.000Z","obsTimeLocal":"2026-10-18T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181300Z 22003KT 15SM SKC 02/M07 A3011 RMK SLP223","temp":2,"dewpoint":-7,"humidity":51,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:00:00.000Z","obsTimeLocal":"2026-10-18T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181400Z 20005KT 40SM SKC 01/M07 A3011 RMK SLP229","temp":1,"dewpoint":-7,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:00:00.000Z","obsTimeLocal":"2026-10-18T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181500Z 18005KT 40SM SKC 02/M06 A3013 RMK SLP234","temp":2,"dewpoint":-6,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:00:00.000Z","obsTimeLocal":"2026-10-18T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181600Z 19008KT 40SM SKC 06/M05 A3014 RMK SLP234","temp":6,"dewpoint":-5,"humidity":45,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:00:00.000Z","obsTimeLocal":"2026-10-18T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181700Z 18011G16KT 40SM FEW250 08/M05 A3014 RMK CI1 CI TR SLP230","temp":8,"dewpoint":-5,"humidity":39,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:00:00.000Z","obsTimeLocal":"2026-10-18T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181800Z 18015G21KT 40SM FEW050 FEW250 10/M06 A3013 RMK CF1CI1 CF TR CI TR SLP226","temp":10,"dewpoint":-6,"humidity":32,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:00:00.000Z","obsTimeLocal":"2026-10-18T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 181900Z 19011G17KT 40SM FEW060 FEW250 11/M05 A3013 RMK CF1CI1 CF TR SLP221","temp":11,"dewpoint":-5,"humidity":32,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:00:00.000Z","obsTimeLocal":"2026-10-18T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 182000Z 16012G17KT 40SM FEW060 FEW250 12/M06 A3011 RMK CF1CI1 CF TR SLP217 DENSITY ALT 3900FT","temp":12,"dewpoint":-6,"humidity":28,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:00:00.000Z","obsTimeLocal":"2026-10-18T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 182100Z 16010G15KT 40SM FEW070 BKN250 12/M06 A3008 RMK AC1CI5 AC TR CONTRAILS SLP210 DENSITY ALT 4000FT","temp":12,"dewpoint":-6,"humidity":28,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:00:00.000Z","obsTimeLocal":"2026-10-18T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 182200Z 16009G16KT 140V200 40SM FEW070 BKN250 12/M06 A3006 RMK AC1CI5 AC TR CC ASOCTD SLP207 DENSITY ALT 3900FT","temp":12,"dewpoint":-6,"humidity":28,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:00:00.000Z","obsTimeLocal":"2026-10-18T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 182300Z 17008KT 40SM FEW070 BKN250 12/M07 A3005 RMK AC1CI6 AC TR CC ASOCTD SLP206 DENSITY ALT 4000FT","temp":12,"dewpoint":-7,"humidity":26,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:00:00.000Z","obsTimeLocal":"2026-10-18T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190000Z 16007KT 40SM BKN250 10/M06 A3005 RMK CI7 CC ASOCTD SLP208","temp":10,"dewpoint":-6,"humidity":32,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:00:00.000Z","obsTimeLocal":"2026-10-18T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190100Z 14007KT 20SM BKN220 09/M05 A3005 RMK CI7 CONTRAILS SLP208","temp":9,"dewpoint":-5,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:00:00.000Z","obsTimeLocal":"2026-10-18T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190200Z 13010KT 15SM FEW170 FEW210 SCT240 08/M04 A3005 RMK AC1CI1CI3 AC TR SLP213","temp":8,"dewpoint":-4,"humidity":42,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:00:00.000Z","obsTimeLocal":"2026-10-18T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190300Z 16006KT 15SM SCT220 05/M05 A3004 RMK CI3 SLP212","temp":5,"dewpoint":-5,"humidity":48,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T04:00:00.000Z","obsTimeLocal":"2026-10-18T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190400Z 14004KT 130V190 15SM FEW250 06/M05 A3004 RMK CI1 CI TR SLP206","temp":6,"dewpoint":-5,"humidity":45,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T05:00:00.000Z","obsTimeLocal":"2026-10-18T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190500Z 00000KT 15SM SCT220 03/M05 A3003 RMK CI3 SLP203","temp":3,"dewpoint":-5,"humidity":56,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T05:35:00.000Z","obsTimeLocal":"2026-10-18T23:35:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 190535Z 00000KT 15SM SCT220 02/M05 A3002 RMK CI4 SLP199","temp":2,"dewpoint":-5,"humidity":60,"wind":0,"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/2026-10-18","json":"https://weathermarket.io/api/station/CYYC/2026-10-18","record":"https://weathermarket.io/api/station/CYYC/2026-10-18?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-17","next":"https://weathermarket.io/station/CYYC/2026-10-19","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=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=CYYC&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=18&hora=6&anof=2026&mesf=10&dayf=19&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}