{"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":"2026-10-21","window":{"date":"2026-10-21","timezone":"America/Edmonton","dayStartUtc":"2026-10-21T06:00:00.000Z","dayEndUtc":"2026-10-22T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":19,"tmaxAt":"2026-10-21T19:00:00.000Z","tmin":-1,"tminAt":"2026-10-21T10:00:00.000Z","tavg":8.8,"humidityMean":42.8,"windMean":1.7,"windMax":5.1,"windMaxAt":"2026-10-21T17:00:00.000Z","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":"2026-10-21T19:00:00.000Z","obsTimeLocal":"2026-10-21T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211900Z 20003KT 160V240 40SM BKN250 19/M06 A2987 RMK CI5 CC ASOCTD SLP132 DENSITY ALT 5000FT","temp":19,"dewpoint":-6,"humidity":18,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-21T10:00:00.000Z","obsTimeLocal":"2026-10-21T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211000Z 00000KT 15SM SKC M01/M06 A2997 RMK SLP179","temp":-1,"dewpoint":-6,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T17:00:00.000Z","obsTimeLocal":"2026-10-21T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211700Z 22010KT 40SM SCT250 13/M07 A2991 RMK CI3 CC ASOCTD SLP150 DENSITY ALT 4300FT","temp":13,"dewpoint":-7,"humidity":24,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-22T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"dff075795b2bcf85","lastChangedAt":"2026-10-22T05:07:41.762Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-21?format=record","status":"anchored","sha256":"4978b1a0205d4867c584d00b47c69417eb9a8896476ccc8dd0391caa78f69eb6","revision":"dff075795b2bcf85","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":23,"suspect":1,"bad":0,"flagged":[{"obsTimeUtc":"2026-10-21T16:00:00.000Z","flag":"suspect","reasons":["step: temperature changed 6 C in 60 min (> 5)"]}]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-21T19:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-21T10:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":19,"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":"2026-10-21T06:00:00.000Z","obsTimeLocal":"2026-10-21T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 210600Z 19007KT 15SM SKC 01/M03 A3004 RMK SLP208","temp":1,"dewpoint":-3,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T07:00:00.000Z","obsTimeLocal":"2026-10-21T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 210700Z 20002KT 15SM SKC 02/M03 A3002 RMK FROIN SLP195","temp":2,"dewpoint":-3,"humidity":69,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T08:00:00.000Z","obsTimeLocal":"2026-10-21T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 210800Z VRB02KT 15SM SKC 01/M04 A3000 RMK FROIN SLP191","temp":1,"dewpoint":-4,"humidity":69,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T09:00:00.000Z","obsTimeLocal":"2026-10-21T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 210900Z VRB02KT 15SM SKC 00/M05 A2999 RMK FROIN SLP186","temp":0,"dewpoint":-5,"humidity":69,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T10:00:00.000Z","obsTimeLocal":"2026-10-21T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211000Z 00000KT 15SM SKC M01/M06 A2997 RMK SLP179","temp":-1,"dewpoint":-6,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T11:00:00.000Z","obsTimeLocal":"2026-10-21T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211100Z 00000KT 15SM SKC M01/M06 A2995 RMK FROIN SLP175","temp":-1,"dewpoint":-6,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T12:00:00.000Z","obsTimeLocal":"2026-10-21T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211200Z VRB02KT 15SM SKC M01/M07 A2993 RMK SLP170","temp":-1,"dewpoint":-7,"humidity":64,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T13:00:00.000Z","obsTimeLocal":"2026-10-21T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211300Z 19004KT 130V200 15SM SKC M00/M07 A2993 RMK SLP170","temp":0,"dewpoint":-7,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T14:00:00.000Z","obsTimeLocal":"2026-10-21T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211400Z 22009KT 40SM FEW250 04/M07 A2991 RMK CI1 FROIN / CONTRAILS SLP161","temp":4,"dewpoint":-7,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T15:00:00.000Z","obsTimeLocal":"2026-10-21T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211500Z 22006KT 40SM FEW250 05/M07 A2991 RMK CI1 CONTRAILS SLP161","temp":5,"dewpoint":-7,"humidity":42,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:00:00.000Z","obsTimeLocal":"2026-10-21T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211600Z 15004KT 100V210 40SM FEW250 11/M04 A2991 RMK CI1 CONTRAILS SLP155 DENSITY ALT 4000FT","temp":11,"dewpoint":-4,"humidity":35,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:00:00.000Z","obsTimeLocal":"2026-10-21T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211700Z 22010KT 40SM SCT250 13/M07 A2991 RMK CI3 CC ASOCTD SLP150 DENSITY ALT 4300FT","temp":13,"dewpoint":-7,"humidity":24,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:00:00.000Z","obsTimeLocal":"2026-10-21T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211800Z 23005KT 40SM SCT250 17/M05 A2989 RMK CI4 CC ASOCTD SLP142 DENSITY ALT 4800FT","temp":17,"dewpoint":-5,"humidity":22,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:00:00.000Z","obsTimeLocal":"2026-10-21T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 211900Z 20003KT 160V240 40SM BKN250 19/M06 A2987 RMK CI5 CC ASOCTD SLP132 DENSITY ALT 5000FT","temp":19,"dewpoint":-6,"humidity":18,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:00:00.000Z","obsTimeLocal":"2026-10-21T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 212000Z 21004KT 180V270 40SM BKN250 19/M07 A2985 RMK CI7 SLP128 DENSITY ALT 5000FT","temp":19,"dewpoint":-7,"humidity":17,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:00:00.000Z","obsTimeLocal":"2026-10-21T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 212100Z 19002KT 40SM BKN230 19/M05 A2984 RMK CI7 SLP125 DENSITY ALT 5000FT","temp":19,"dewpoint":-5,"humidity":19,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T22:00:00.000Z","obsTimeLocal":"2026-10-21T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 212200Z 00000KT 30SM BKN250 18/M06 A2984 RMK CI7 SLP126 DENSITY ALT 5000FT","temp":18,"dewpoint":-6,"humidity":19,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T23:00:00.000Z","obsTimeLocal":"2026-10-21T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 212300Z 16003KT 30SM SCT250 15/M04 A2983 RMK CI7 SLP128 DENSITY ALT 4600FT","temp":15,"dewpoint":-4,"humidity":27,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T00:00:00.000Z","obsTimeLocal":"2026-10-21T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220000Z 15005KT 30SM BKN160 BKN250 15/M03 A2982 RMK AC6CI1 CONTRAILS SLP126 DENSITY ALT 4600FT","temp":15,"dewpoint":-3,"humidity":29,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T01:00:00.000Z","obsTimeLocal":"2026-10-21T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220100Z 00000KT 20SM BKN180 13/M03 A2983 RMK AC7 SLP128 DENSITY ALT 4400FT","temp":13,"dewpoint":-3,"humidity":33,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T02:00:00.000Z","obsTimeLocal":"2026-10-21T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220200Z 16003KT 15SM BKN200 12/M02 A2984 RMK CI5 SLP128 DENSITY ALT 4200FT","temp":12,"dewpoint":-2,"humidity":38,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T03:00:00.000Z","obsTimeLocal":"2026-10-21T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220300Z 25004KT 15SM SCT200 13/M04 A2984 RMK CI3 SLP124 DENSITY ALT 4400FT","temp":13,"dewpoint":-4,"humidity":30,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T04:00:00.000Z","obsTimeLocal":"2026-10-21T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220400Z 00000KT 15SM FEW200 09/M03 A2983 RMK CI1 CI TR SLP120 DENSITY ALT 3900FT","temp":9,"dewpoint":-3,"humidity":43,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T05:00:00.000Z","obsTimeLocal":"2026-10-21T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 220500Z 22003KT 15SM SKC 08/M04 A2983 RMK SLP119","temp":8,"dewpoint":-4,"humidity":42,"wind":1.5,"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/2026-10-21","json":"https://weathermarket.io/api/station/CYYC/2026-10-21","record":"https://weathermarket.io/api/station/CYYC/2026-10-21?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-20","next":"https://weathermarket.io/station/CYYC/2026-10-22","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=21&year2=2026&month2=10&day2=23&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=21&hora=6&anof=2026&mesf=10&dayf=22&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}