{"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":"2026-09-23","window":{"date":"2026-09-23","timezone":"America/Edmonton","dayStartUtc":"2026-09-23T06:00:00.000Z","dayEndUtc":"2026-09-24T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":20,"tmaxAt":"2026-09-23T23:00:00.000Z","tmin":9,"tminAt":"2026-09-24T05:00:00.000Z","tavg":13.7,"humidityMean":62.6,"windMean":3.7,"windMax":4.6,"windMaxAt":"2026-09-23T23:00:00.000Z","precipObservedCount":0,"nObservations":7,"maxGapMinutes":1020,"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":"2026-09-23T23:00:00.000Z","obsTimeLocal":"2026-09-23T17:00:00-06:00","metarType":null,"raw":"METAR CYYC 232300Z 10009KT 9SM FEW100 BKN240 20/06 A2995 RMK AC1CI7 AC TR SLP152 DENSITY ALT 5000FT","temp":20,"dewpoint":6,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-24T05:00:00.000Z","obsTimeLocal":"2026-09-23T23:00:00-06:00","metarType":null,"raw":"METAR CYYC 240500Z 35008KT 15SM SKC 09/06 A3001 RMK SLP176","temp":9,"dewpoint":6,"humidity":81,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-23T23:00:00.000Z","obsTimeLocal":"2026-09-23T17:00:00-06:00","metarType":null,"raw":"METAR CYYC 232300Z 10009KT 9SM FEW100 BKN240 20/06 A2995 RMK AC1CI7 AC TR SLP152 DENSITY ALT 5000FT","temp":20,"dewpoint":6,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-24T09:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":1020,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 1020 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"af73e8efacf75f82","lastChangedAt":"2026-09-24T05:10:13.038Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-09-23?format=record","status":"pending_anchor","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"Final - the next hourly run writes this record's hash to SnapshotAnchor on Flare"},"qc":{"summary":{"good":7,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-23T23:00:00.000Z","flag":"good","reasons":["step_not_tested: no previous valid report in context"]},"tmin":{"obsTimeUtc":"2026-09-24T05:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"tmin":9,"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":"2026-09-23T23:00:00.000Z","obsTimeLocal":"2026-09-23T17:00:00-06:00","metarType":null,"raw":"METAR CYYC 232300Z 10009KT 9SM FEW100 BKN240 20/06 A2995 RMK AC1CI7 AC TR SLP152 DENSITY ALT 5000FT","temp":20,"dewpoint":6,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T00:00:00.000Z","obsTimeLocal":"2026-09-23T18:00:00-06:00","metarType":null,"raw":"METAR CYYC 240000Z 09008G16KT 9SM FEW100 OVC220 18/07 A2996 RMK AC1CI7 CC ASOCTD SLP163 DENSITY ALT 4700FT","temp":18,"dewpoint":7,"humidity":49,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T01:00:00.000Z","obsTimeLocal":"2026-09-23T19:00:00-06:00","metarType":null,"raw":"METAR CYYC 240100Z 10006KT 10SM SCT140 BKN220 15/07 A2995 RMK AC3CI4 SLP161 DENSITY ALT 4500FT","temp":15,"dewpoint":7,"humidity":59,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T02:00:00.000Z","obsTimeLocal":"2026-09-23T20:00:00-06:00","metarType":null,"raw":"METAR CYYC 240200Z 02006KT 20SM FEW150 13/06 A2996 RMK AC1 SLP166 DENSITY ALT 4200FT","temp":13,"dewpoint":6,"humidity":62,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T03:00:00.000Z","obsTimeLocal":"2026-09-23T21:00:00-06:00","metarType":null,"raw":"METAR CYYC 240300Z 34007KT 15SM SKC 11/06 A2998 RMK SLP174 DENSITY ALT 3900FT","temp":11,"dewpoint":6,"humidity":71,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T04:00:00.000Z","obsTimeLocal":"2026-09-23T22:00:00-06:00","metarType":null,"raw":"METAR CYYC 240400Z 35007KT 15SM SKC 10/06 A3000 RMK SLP174","temp":10,"dewpoint":6,"humidity":76,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T05:00:00.000Z","obsTimeLocal":"2026-09-23T23:00:00-06:00","metarType":null,"raw":"METAR CYYC 240500Z 35008KT 15SM SKC 09/06 A3001 RMK SLP176","temp":9,"dewpoint":6,"humidity":81,"wind":4.1,"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/2026-09-23","json":"https://weathermarket.io/api/station/CYYC/2026-09-23","record":"https://weathermarket.io/api/station/CYYC/2026-09-23?format=record","prev":"https://weathermarket.io/station/CYYC/2026-09-22","next":"https://weathermarket.io/station/CYYC/2026-09-24","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=23&year2=2026&month2=9&day2=25&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=23&hora=6&anof=2026&mesf=9&dayf=24&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}