{"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":"2026-09-27","window":{"date":"2026-09-27","timezone":"America/Edmonton","dayStartUtc":"2026-09-27T06:00:00.000Z","dayEndUtc":"2026-09-28T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":14,"tmaxAt":"2026-09-27T22:00:00.000Z","tmin":-1,"tminAt":"2026-09-27T12:00:00.000Z","tavg":6.5,"humidityMean":62.4,"windMean":1.9,"windMax":4.1,"windMaxAt":"2026-09-27T19:00:00.000Z","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":"2026-09-27T22:00:00.000Z","obsTimeLocal":"2026-09-27T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 272200Z 14004KT 040V160 40SM BKN250 14/M03 A2997 RMK CI7 SLP176 DENSITY ALT 4300FT","temp":14,"dewpoint":-3,"humidity":31,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-27T12:00:00.000Z","obsTimeLocal":"2026-09-27T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271200Z 19005KT 15SM FEW090 M01/M02 A3009 RMK AC1 AC TR FROIN SLP236","temp":-1,"dewpoint":-2,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-27T19:00:00.000Z","obsTimeLocal":"2026-09-27T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271900Z 17008KT 140V200 40SM OVC250 12/M05 A3004 RMK CI8 CONTRAILS SLP201 DENSITY ALT 4000FT","temp":12,"dewpoint":-5,"humidity":30,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-28T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"4d742a9908d0de8e","lastChangedAt":"2026-09-28T05:07:38.419Z","corrections":[{"obsTimeUtc":"2026-09-27T14:00:00.000Z","correctedAt":"2026-09-27T14:26:39.035Z","original":"METAR CYYC 271400Z 23004KT 40SM BCFG FEW250 M01/M02 A3009 RMK CI1 CI TR FG OVR RIVER SLP234","corrected":"METAR CYYC 271400Z CCA 23004KT 40SM BCFG FEW250 M01/M02 A3009 RMK CI1 CI TR FG OVR RIVER / FROIN SLP234"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-09-27?format=record","status":"anchored","sha256":"3179e2b4e388279df0d98dcbefbc27b7522373aadee8d8118a71b0e78cb94c31","revision":"4d742a9908d0de8e","flareTxHash":"0x01679713374643444eb4288ca040f8a71621ac98406d54c8bd40fd29f1cf9ae1","flareBlock":71105498,"anchoredAt":"2026-10-02T01:01:27.187Z","explorer":"https://flare-explorer.flare.network/tx/0x01679713374643444eb4288ca040f8a71621ac98406d54c8bd40fd29f1cf9ae1","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":"2026-09-27T22:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-27T12:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":14,"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":"2026-09-27T06:00:00.000Z","obsTimeLocal":"2026-09-27T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 270600Z VRB02KT 15SM SKC 04/01 A3011 RMK SLP228","temp":4,"dewpoint":1,"humidity":81,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T07:00:00.000Z","obsTimeLocal":"2026-09-27T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 270700Z 20003KT 170V250 15SM SKC 03/01 A3011 RMK SLP228","temp":3,"dewpoint":1,"humidity":87,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T08:00:00.000Z","obsTimeLocal":"2026-09-27T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 270800Z 00000KT 15SM SKC 02/01 A3010 RMK FROIN SLP231","temp":2,"dewpoint":1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T08:01:00.000Z","obsTimeLocal":"2026-09-27T02:01:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 270801Z 00000KT 15SM SKC 02/01 A3010 RMK SLP231","temp":2,"dewpoint":1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T09:00:00.000Z","obsTimeLocal":"2026-09-27T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 270900Z VRB02KT 15SM MIFG SKC 02/01 A3011 RMK SLP233","temp":2,"dewpoint":1,"humidity":93,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T10:00:00.000Z","obsTimeLocal":"2026-09-27T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271000Z 00000KT 15SM MIFG SKC 00/M01 A3011 RMK FROIN SLP239","temp":0,"dewpoint":-1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T11:00:00.000Z","obsTimeLocal":"2026-09-27T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271100Z 22002KT 15SM R17L/5500VP6000FT/U SKC 00/M00 A3009 RMK FROIN SLP234","temp":0,"dewpoint":0,"humidity":100,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T12:00:00.000Z","obsTimeLocal":"2026-09-27T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271200Z 19005KT 15SM FEW090 M01/M02 A3009 RMK AC1 AC TR FROIN SLP236","temp":-1,"dewpoint":-2,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T13:00:00.000Z","obsTimeLocal":"2026-09-27T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271300Z 22004KT 20SM FEW240 M01/M02 A3009 RMK CI1 CI TR FROIN SLP234","temp":-1,"dewpoint":-2,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T14:00:00.000Z","obsTimeLocal":"2026-09-27T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271400Z CCA 23004KT 40SM BCFG FEW250 M01/M02 A3009 RMK CI1 CI TR FG OVR RIVER / FROIN SLP234","temp":-1,"dewpoint":-2,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":"2026-09-27T14:26:39.035Z","originalRaw":"METAR CYYC 271400Z 23004KT 40SM BCFG FEW250 M01/M02 A3009 RMK CI1 CI TR FG OVR RIVER SLP234"},{"obsTimeUtc":"2026-09-27T15:00:00.000Z","obsTimeLocal":"2026-09-27T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271500Z 20003KT 40SM SCT250 01/M01 A3009 RMK CC3 FROIN SLP230","temp":1,"dewpoint":-1,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T16:00:00.000Z","obsTimeLocal":"2026-09-27T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271600Z 20005KT 40SM BKN250 05/00 A3008 RMK CI7 CONTRAILS SLP223","temp":5,"dewpoint":0,"humidity":70,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T17:00:00.000Z","obsTimeLocal":"2026-09-27T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271700Z 21003KT 160V230 40SM BKN250 09/M01 A3007 RMK CC7 SLP213","temp":9,"dewpoint":-1,"humidity":50,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T18:00:00.000Z","obsTimeLocal":"2026-09-27T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271800Z 18006KT 130V210 40SM OVC250 11/M02 A3006 RMK CI8 CONTRAILS SLP208 DENSITY ALT 3900FT","temp":11,"dewpoint":-2,"humidity":40,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T19:00:00.000Z","obsTimeLocal":"2026-09-27T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 271900Z 17008KT 140V200 40SM OVC250 12/M05 A3004 RMK CI8 CONTRAILS SLP201 DENSITY ALT 4000FT","temp":12,"dewpoint":-5,"humidity":30,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T20:00:00.000Z","obsTimeLocal":"2026-09-27T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 272000Z 20004KT 150V220 40SM OVC230 13/M05 A3002 RMK CI8 SLP192 DENSITY ALT 4100FT","temp":13,"dewpoint":-5,"humidity":28,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T21:00:00.000Z","obsTimeLocal":"2026-09-27T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 272100Z 14002KT 40SM OVC200 13/M03 A2999 RMK CI8 CC ASOCTD SLP184 DENSITY ALT 4200FT","temp":13,"dewpoint":-3,"humidity":33,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T22:00:00.000Z","obsTimeLocal":"2026-09-27T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 272200Z 14004KT 040V160 40SM BKN250 14/M03 A2997 RMK CI7 SLP176 DENSITY ALT 4300FT","temp":14,"dewpoint":-3,"humidity":31,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T23:00:00.000Z","obsTimeLocal":"2026-09-27T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 272300Z 17008KT 130V200 40SM OVC210 14/M02 A2996 RMK CI8 SLP174 DENSITY ALT 4300FT","temp":14,"dewpoint":-2,"humidity":33,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T00:00:00.000Z","obsTimeLocal":"2026-09-27T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280000Z 14006KT 110V180 40SM SCT170 BKN250 14/M03 A2995 RMK AC4CI3 CONTRAILS SLP172 DENSITY ALT 4300FT","temp":14,"dewpoint":-3,"humidity":31,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T01:00:00.000Z","obsTimeLocal":"2026-09-27T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280100Z 15007KT 40SM BKN180 BKN220 12/M04 A2994 RMK AC6CI1 SLP173 DENSITY ALT 4100FT","temp":12,"dewpoint":-4,"humidity":32,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T02:00:00.000Z","obsTimeLocal":"2026-09-27T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280200Z 15005KT 40SM SCT180 BKN220 11/M03 A2994 RMK AS4CI2 SLP172 DENSITY ALT 4000FT","temp":11,"dewpoint":-3,"humidity":37,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T03:00:00.000Z","obsTimeLocal":"2026-09-27T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280300Z 18005KT 15SM FEW190 FEW230 09/M04 A2993 RMK AS1CI1 CI TR SLP169","temp":9,"dewpoint":-4,"humidity":40,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T04:00:00.000Z","obsTimeLocal":"2026-09-27T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280400Z 21003KT 15SM FEW190 09/M03 A2993 RMK AS1 AS TR SLP162","temp":9,"dewpoint":-3,"humidity":43,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T05:00:00.000Z","obsTimeLocal":"2026-09-27T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 280500Z VRB02KT 15SM SKC 06/M02 A2993 RMK SLP161","temp":6,"dewpoint":-2,"humidity":57,"wind":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/2026-09-27","json":"https://weathermarket.io/api/station/CYYC/2026-09-27","record":"https://weathermarket.io/api/station/CYYC/2026-09-27?format=record","prev":"https://weathermarket.io/station/CYYC/2026-09-26","next":"https://weathermarket.io/station/CYYC/2026-09-28","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=9&day1=27&year2=2026&month2=9&day2=29&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=9&day=27&hora=6&anof=2026&mesf=9&dayf=28&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}