{"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":"2026-10-04","window":{"date":"2026-10-04","timezone":"America/Edmonton","dayStartUtc":"2026-10-04T06:00:00.000Z","dayEndUtc":"2026-10-05T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":20,"tmaxAt":"2026-10-04T23:00:00.000Z","tmin":1,"tminAt":"2026-10-04T12:00:00.000Z","tavg":9.7,"humidityMean":64.7,"windMean":2.4,"windMax":5.1,"windMaxAt":"2026-10-04T22:00:00.000Z","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":"2026-10-04T23:00:00.000Z","obsTimeLocal":"2026-10-04T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042300Z 20009KT 10SM SCT260 20/06 A2997 RMK CI3 CC ASOCTD SLP167 DENSITY ALT 5000FT","temp":20,"dewpoint":6,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-04T12:00:00.000Z","obsTimeLocal":"2026-10-04T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041200Z 35004KT 15SM FEW014 01/M01 A3022 RMK ST1 ST TR SLP260","temp":1,"dewpoint":-1,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-04T22:00:00.000Z","obsTimeLocal":"2026-10-04T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042200Z 19010KT 12SM FEW260 19/05 A3000 RMK CC2 SLP177 DENSITY ALT 4800FT","temp":19,"dewpoint":5,"humidity":40,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-05T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"460bddaa26059308","lastChangedAt":"2026-10-05T05:07:38.541Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-04?format=record","status":"anchored","sha256":"df6aa68b236600a650b31601e77b997c5fb03ef7dafda31310662f946ff69cef","revision":"460bddaa26059308","flareTxHash":"0x19e4ffce17bd74b5a23e759ea496319a7849e3082e524a0e0cc2c41577488df6","flareBlock":71366876,"anchoredAt":"2026-10-05T09:01:12.259Z","explorer":"https://flare-explorer.flare.network/tx/0x19e4ffce17bd74b5a23e759ea496319a7849e3082e524a0e0cc2c41577488df6","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":"2026-10-04T23:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-04T12:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"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":"2026-10-04T06:00:00.000Z","obsTimeLocal":"2026-10-04T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040600Z 34004KT 15SM SKC 05/01 A3024 RMK SLP265","temp":5,"dewpoint":1,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T07:00:00.000Z","obsTimeLocal":"2026-10-04T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040700Z 35003KT 15SM SKC 03/00 A3025 RMK SLP269","temp":3,"dewpoint":0,"humidity":81,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T08:00:00.000Z","obsTimeLocal":"2026-10-04T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040800Z 35005KT 15SM FEW250 03/01 A3024 RMK CI2 SLP267","temp":3,"dewpoint":1,"humidity":87,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T08:43:00.000Z","obsTimeLocal":"2026-10-04T02:43:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 040843Z 36004KT 15SM FEW250 02/00 A3024 RMK CI2 SLP264","temp":2,"dewpoint":0,"humidity":87,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T09:00:00.000Z","obsTimeLocal":"2026-10-04T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 040900Z 02003KT 15SM SKC 03/00 A3024 RMK SLP263","temp":3,"dewpoint":0,"humidity":81,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T10:00:00.000Z","obsTimeLocal":"2026-10-04T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041000Z 34004KT 15SM SKC 02/00 A3024 RMK SLP263","temp":2,"dewpoint":0,"humidity":87,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T11:00:00.000Z","obsTimeLocal":"2026-10-04T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041100Z 34004KT 15SM SKC 02/M00 A3023 RMK SLP261","temp":2,"dewpoint":0,"humidity":87,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T12:00:00.000Z","obsTimeLocal":"2026-10-04T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041200Z 35004KT 15SM FEW014 01/M01 A3022 RMK ST1 ST TR SLP260","temp":1,"dewpoint":-1,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T13:00:00.000Z","obsTimeLocal":"2026-10-04T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041300Z 22002KT 20SM FEW230 01/M00 A3021 RMK CI1 CI TR SLP258","temp":1,"dewpoint":0,"humidity":93,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T14:00:00.000Z","obsTimeLocal":"2026-10-04T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041400Z 00000KT 20SM SCT260 01/M02 A3020 RMK CI3 CC ASOCTD / CONTRAILS SLP257","temp":1,"dewpoint":-2,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T15:00:00.000Z","obsTimeLocal":"2026-10-04T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041500Z VRB02KT 20SM SCT260 03/01 A3019 RMK CI4 CC ASOCTD SLP254","temp":3,"dewpoint":1,"humidity":87,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T16:00:00.000Z","obsTimeLocal":"2026-10-04T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041600Z 00000KT 20SM FEW260 07/01 A3017 RMK CI1 SLP247","temp":7,"dewpoint":1,"humidity":66,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T17:00:00.000Z","obsTimeLocal":"2026-10-04T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041700Z 20004KT 180V270 20SM FEW260 10/02 A3015 RMK CI1 SLP236","temp":10,"dewpoint":2,"humidity":58,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T18:00:00.000Z","obsTimeLocal":"2026-10-04T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041800Z 19004KT 120V230 20SM FEW260 13/03 A3012 RMK CC1 CC TR SLP222 DENSITY ALT 4000FT","temp":13,"dewpoint":3,"humidity":51,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T19:00:00.000Z","obsTimeLocal":"2026-10-04T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 041900Z 17008KT 20SM FEW260 14/04 A3008 RMK CI1 CI TR SLP211 DENSITY ALT 4200FT","temp":14,"dewpoint":4,"humidity":51,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T20:00:00.000Z","obsTimeLocal":"2026-10-04T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042000Z 17008KT 15SM FEW260 16/05 A3006 RMK CI1 CI TR SLP201 DENSITY ALT 4400FT","temp":16,"dewpoint":5,"humidity":48,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T21:00:00.000Z","obsTimeLocal":"2026-10-04T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042100Z 17009KT 12SM FEW260 18/05 A3003 RMK CC1 CC TR SLP187 DENSITY ALT 4700FT","temp":18,"dewpoint":5,"humidity":42,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T22:00:00.000Z","obsTimeLocal":"2026-10-04T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042200Z 19010KT 12SM FEW260 19/05 A3000 RMK CC2 SLP177 DENSITY ALT 4800FT","temp":19,"dewpoint":5,"humidity":40,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T23:00:00.000Z","obsTimeLocal":"2026-10-04T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 042300Z 20009KT 10SM SCT260 20/06 A2997 RMK CI3 CC ASOCTD SLP167 DENSITY ALT 5000FT","temp":20,"dewpoint":6,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T00:00:00.000Z","obsTimeLocal":"2026-10-04T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050000Z 18009KT 10SM FEW260 19/06 A2995 RMK CI2 CC ASOCTD SLP163 DENSITY ALT 4900FT","temp":19,"dewpoint":6,"humidity":43,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T01:00:00.000Z","obsTimeLocal":"2026-10-04T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050100Z 18005KT 15SM SCT260 17/06 A2993 RMK CI4 CC ASOCTD SLP158 DENSITY ALT 4700FT","temp":17,"dewpoint":6,"humidity":48,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T02:00:00.000Z","obsTimeLocal":"2026-10-04T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050200Z 23004KT 40SM SCT300 16/06 A2992 RMK CI3 SLP156 DENSITY ALT 4600FT","temp":16,"dewpoint":6,"humidity":51,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T03:00:00.000Z","obsTimeLocal":"2026-10-04T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050300Z 23005KT 15SM FEW250 15/06 A2991 RMK CI1 CI TR SLP150 DENSITY ALT 4500FT","temp":15,"dewpoint":6,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T04:00:00.000Z","obsTimeLocal":"2026-10-04T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050400Z 23004KT 15SM SCT250 16/06 A2991 RMK CI4 SLP143 DENSITY ALT 4600FT","temp":16,"dewpoint":6,"humidity":51,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T05:00:00.000Z","obsTimeLocal":"2026-10-04T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 050500Z VRB02KT 15SM BKN180 16/03 A2990 RMK AC6 SLP137 DENSITY ALT 4600FT","temp":16,"dewpoint":3,"humidity":42,"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/2026-10-04","json":"https://weathermarket.io/api/station/CYYC/2026-10-04","record":"https://weathermarket.io/api/station/CYYC/2026-10-04?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-03","next":"https://weathermarket.io/station/CYYC/2026-10-05","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=4&year2=2026&month2=10&day2=6&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=4&hora=6&anof=2026&mesf=10&dayf=5&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}