{"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":"2026-10-19","window":{"date":"2026-10-19","timezone":"America/Edmonton","dayStartUtc":"2026-10-19T06:00:00.000Z","dayEndUtc":"2026-10-20T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":12,"tmaxAt":"2026-10-19T22:00:00.000Z","tmin":0,"tminAt":"2026-10-19T08:00:00.000Z","tavg":4.8,"humidityMean":50.5,"windMean":1.7,"windMax":3.6,"windMaxAt":"2026-10-20T03:00:00.000Z","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":"2026-10-19T22:00:00.000Z","obsTimeLocal":"2026-10-19T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 192200Z 02003KT 30SM FEW150 SCT180 BKN230 12/M05 A2991 RMK AC1AC4CI4 AC TR CC ASOCTD / LENT SLP156 DENSITY ALT 4200FT","temp":12,"dewpoint":-5,"humidity":30,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-19T08:00:00.000Z","obsTimeLocal":"2026-10-19T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190800Z 33003KT 260V340 15SM FEW180 BKN220 00/M05 A2999 RMK AS2CI4 SLP187","temp":0,"dewpoint":-5,"humidity":69,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-20T03:00:00.000Z","obsTimeLocal":"2026-10-19T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200300Z 35007KT 15SM FEW180 BKN220 06/M06 A3001 RMK AC1CI7 AC TR SLP200","temp":6,"dewpoint":-6,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-20T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"aa8c383c18c26e18","lastChangedAt":"2026-10-20T05:08:38.868Z","corrections":[{"obsTimeUtc":"2026-10-19T20:00:00.000Z","correctedAt":"2026-10-19T20:08:38.262Z","original":"METAR CYYC 192000Z CCA VRB02KT 15SM BKN120 BKN250 11/M05 A2991 RMK AC6CI1 CC ASOCTD SLP160 DENSITY ALT 4000FT","corrected":"METAR CYYC 192000Z VRB02KT 15SM BKN150 BKN250 11/M05 A2991 RMK AC6CI1 SLP160 DENSITY ALT 4000FT"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-19?format=record","status":"anchored","sha256":"b22910133e2bc72ee7caa4051394fa02af4262db863cbd43d0e85138a7f98ee3","revision":"aa8c383c18c26e18","flareTxHash":"0xfed272805c34adeaf2f16d3e5ebf90a104fa313ded1392017de25c9442af8c1f","flareBlock":72544408,"anchoredAt":"2026-10-20T09:04:16.442Z","explorer":"https://flare-explorer.flare.network/tx/0xfed272805c34adeaf2f16d3e5ebf90a104fa313ded1392017de25c9442af8c1f","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":"2026-10-19T22:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-19T08:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":12,"tmin":0,"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":"2026-10-19T06:00:00.000Z","obsTimeLocal":"2026-10-19T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190600Z 14003KT 030V200 15SM FEW220 SCT240 03/M04 A3002 RMK CI2CI1 SLP196","temp":3,"dewpoint":-4,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T07:00:00.000Z","obsTimeLocal":"2026-10-19T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190700Z 31004KT 15SM BKN220 01/M05 A3001 RMK CI5 SLP193","temp":1,"dewpoint":-5,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T08:00:00.000Z","obsTimeLocal":"2026-10-19T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190800Z 33003KT 260V340 15SM FEW180 BKN220 00/M05 A2999 RMK AS2CI4 SLP187","temp":0,"dewpoint":-5,"humidity":69,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T09:00:00.000Z","obsTimeLocal":"2026-10-19T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 190900Z 27003KT 15SM BKN180 01/M05 A2998 RMK AS6 SLP182","temp":1,"dewpoint":-5,"humidity":64,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T10:00:00.000Z","obsTimeLocal":"2026-10-19T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191000Z 00000KT 15SM SCT180 BKN210 01/M05 A2997 RMK AS4CI2 SLP178","temp":1,"dewpoint":-5,"humidity":64,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T11:00:00.000Z","obsTimeLocal":"2026-10-19T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191100Z 34004KT 15SM SCT190 BKN210 M00/M05 A2995 RMK AS4CI2 SLP172","temp":0,"dewpoint":-5,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T12:00:00.000Z","obsTimeLocal":"2026-10-19T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191200Z VRB02KT 15SM SCT170 BKN210 M00/M06 A2994 RMK AS4CI2 SLP173","temp":0,"dewpoint":-6,"humidity":64,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T13:00:00.000Z","obsTimeLocal":"2026-10-19T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191300Z 00000KT 15SM BKN170 01/M06 A2994 RMK AS6 SLP174","temp":1,"dewpoint":-6,"humidity":60,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T14:00:00.000Z","obsTimeLocal":"2026-10-19T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191400Z 32002KT 15SM BKN150 BKN250 01/M05 A2994 RMK AS7CI1 CI TR SLP174","temp":1,"dewpoint":-5,"humidity":64,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T15:00:00.000Z","obsTimeLocal":"2026-10-19T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191500Z 35005KT 20SM BKN140 BKN250 02/M05 A2993 RMK AS7CI1 CI TR SLP175","temp":2,"dewpoint":-5,"humidity":60,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T16:00:00.000Z","obsTimeLocal":"2026-10-19T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191600Z 00000KT 20SM BKN130 BKN250 04/M05 A2993 RMK AS7CI1 CI TR SLP171","temp":4,"dewpoint":-5,"humidity":52,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T17:00:00.000Z","obsTimeLocal":"2026-10-19T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191700Z 19004KT 20SM BKN150 BKN250 06/M05 A2992 RMK AC6CI1 SLP169","temp":6,"dewpoint":-5,"humidity":45,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T18:00:00.000Z","obsTimeLocal":"2026-10-19T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191800Z VRB02KT 20SM BKN150 BKN250 08/M05 A2993 RMK AC7CI1 CI TR SLP166","temp":8,"dewpoint":-5,"humidity":39,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T19:00:00.000Z","obsTimeLocal":"2026-10-19T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 191900Z 00000KT 15SM BKN150 BKN250 09/M04 A2991 RMK AC7CI1 CI TR SLP163","temp":9,"dewpoint":-4,"humidity":40,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T20:00:00.000Z","obsTimeLocal":"2026-10-19T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 192000Z VRB02KT 15SM BKN150 BKN250 11/M05 A2991 RMK AC6CI1 SLP160 DENSITY ALT 4000FT","temp":11,"dewpoint":-5,"humidity":32,"wind":1,"precipObserved":false,"correctedAt":"2026-10-19T20:08:38.262Z","originalRaw":"METAR CYYC 192000Z CCA VRB02KT 15SM BKN120 BKN250 11/M05 A2991 RMK AC6CI1 CC ASOCTD SLP160 DENSITY ALT 4000FT"},{"obsTimeUtc":"2026-10-19T21:00:00.000Z","obsTimeLocal":"2026-10-19T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 192100Z 00000KT 15SM FEW140 BKN180 BKN200 11/M06 A2991 RMK AC5AC2CI1 CI TR SLP158 DENSITY ALT 4100FT","temp":11,"dewpoint":-6,"humidity":30,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T22:00:00.000Z","obsTimeLocal":"2026-10-19T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 192200Z 02003KT 30SM FEW150 SCT180 BKN230 12/M05 A2991 RMK AC1AC4CI4 AC TR CC ASOCTD / LENT SLP156 DENSITY ALT 4200FT","temp":12,"dewpoint":-5,"humidity":30,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T23:00:00.000Z","obsTimeLocal":"2026-10-19T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 192300Z 05005KT 30SM FEW150 BKN180 BKN210 12/M05 A2991 RMK AC1AC6CI1 AC TR CC ASOCTD / LENT SLP160 DENSITY ALT 4100FT","temp":12,"dewpoint":-5,"humidity":30,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T00:00:00.000Z","obsTimeLocal":"2026-10-19T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200000Z 06006KT 30SM FEW130 SCT180 BKN210 10/M05 A2994 RMK AC1AC3CI4 AC TR CC ASOCTD / LENT SLP171 DENSITY ALT 3900FT","temp":10,"dewpoint":-5,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T01:00:00.000Z","obsTimeLocal":"2026-10-19T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200100Z 02006KT 15SM FEW130 SCT180 BKN240 07/M05 A2996 RMK AC1AC3CI4 AC TR CC ASOCTD SLP183","temp":7,"dewpoint":-5,"humidity":42,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T02:00:00.000Z","obsTimeLocal":"2026-10-19T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200200Z 34005KT 15SM FEW085 FEW180 BKN210 06/M06 A2999 RMK AC1AC1CI6 AC TR SLP192","temp":6,"dewpoint":-6,"humidity":42,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T03:00:00.000Z","obsTimeLocal":"2026-10-19T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200300Z 35007KT 15SM FEW180 BKN220 06/M06 A3001 RMK AC1CI7 AC TR SLP200","temp":6,"dewpoint":-6,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T04:00:00.000Z","obsTimeLocal":"2026-10-19T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200400Z 35006KT 15SM BKN230 04/M05 A3003 RMK CI6 CC ASOCTD SLP208","temp":4,"dewpoint":-5,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T04:28:00.000Z","obsTimeLocal":"2026-10-19T22:28:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 200428Z 35006KT 15SM BKN230 02/M06 A3004 RMK CI6 CC ASOCTD SLP211","temp":2,"dewpoint":-6,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T05:00:00.000Z","obsTimeLocal":"2026-10-19T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 200500Z 33003KT 15SM BKN230 02/M05 A3005 RMK CI6 SLP212","temp":2,"dewpoint":-5,"humidity":60,"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/2026-10-19","json":"https://weathermarket.io/api/station/CYYC/2026-10-19","record":"https://weathermarket.io/api/station/CYYC/2026-10-19?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-18","next":"https://weathermarket.io/station/CYYC/2026-10-20","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=19&year2=2026&month2=10&day2=21&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=19&hora=6&anof=2026&mesf=10&dayf=20&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}