{"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":"2026-10-17","window":{"date":"2026-10-17","timezone":"America/Edmonton","dayStartUtc":"2026-10-17T06:00:00.000Z","dayEndUtc":"2026-10-18T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":21,"tmaxAt":"2026-10-17T19:00:00.000Z","tmin":3,"tminAt":"2026-10-17T13:00:00.000Z","tavg":12,"humidityMean":32.3,"windMean":5.7,"windMax":12.9,"windMaxAt":"2026-10-17T23:00:00.000Z","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":"2026-10-17T19:00:00.000Z","obsTimeLocal":"2026-10-17T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171900Z 25017G41KT 220V280 15SM FEW120 BKN250 21/M05 A2958 RMK AC1CC7 AC TR SH DIST SW-NW SLP015 DENSITY ALT 5500FT","temp":21,"dewpoint":-5,"humidity":17,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T13:00:00.000Z","obsTimeLocal":"2026-10-17T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171300Z CCA VRB02KT 15SM BKN250 03/M04 A2975 RMK CI6 SLP091","temp":3,"dewpoint":-4,"humidity":60,"wind":1,"precipObserved":false,"correctedAt":"2026-10-17T13:12:45.204Z","originalRaw":"METAR CYYC 171300Z VRB02KT 15SM FEW250 03/M04 A2975 RMK CI2 SLP091"},"windMax":{"obsTimeUtc":"2026-10-17T23:00:00.000Z","obsTimeLocal":"2026-10-17T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 172300Z 29025G31KT 15SM FEW080 SCT250 16/M07 A2976 RMK AC1CI3 SLP090 DENSITY ALT 4800FT","temp":16,"dewpoint":-7,"humidity":20,"wind":12.9,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-18T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"008b7091fc365350","lastChangedAt":"2026-10-18T05:07:38.170Z","corrections":[{"obsTimeUtc":"2026-10-17T13:00:00.000Z","correctedAt":"2026-10-17T13:12:45.204Z","original":"METAR CYYC 171300Z VRB02KT 15SM FEW250 03/M04 A2975 RMK CI2 SLP091","corrected":"METAR CYYC 171300Z CCA VRB02KT 15SM BKN250 03/M04 A2975 RMK CI6 SLP091"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-17?format=record","status":"anchored","sha256":"d93b4c657d36b78d2ab96540d22b91aab8ee48ed7295f5abea539da025a71db6","revision":"008b7091fc365350","flareTxHash":"0x6fdd8db113d1c70c73c45f836a3b495837c8ace487878e7bb2d00e7a501502c4","flareBlock":72391934,"anchoredAt":"2026-10-18T09:01:37.059Z","explorer":"https://flare-explorer.flare.network/tx/0x6fdd8db113d1c70c73c45f836a3b495837c8ace487878e7bb2d00e7a501502c4","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":"2026-10-17T17:00:00.000Z","flag":"suspect","reasons":["step: temperature changed 10 C in 60 min (> 5)"]}]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-17T19:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T13:00:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":21,"tmin":3,"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":"2026-10-17T06:00:00.000Z","obsTimeLocal":"2026-10-17T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170600Z 18008KT 15SM SCT250 09/M03 A2990 RMK CI4 SLP134","temp":9,"dewpoint":-3,"humidity":43,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T07:00:00.000Z","obsTimeLocal":"2026-10-17T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170700Z 22007KT 15SM SCT250 13/M05 A2988 RMK CI3 SLP119 DENSITY ALT 4300FT","temp":13,"dewpoint":-5,"humidity":28,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T08:00:00.000Z","obsTimeLocal":"2026-10-17T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170800Z 20006KT 15SM FEW250 10/M05 A2986 RMK CI2 SLP117 DENSITY ALT 4000FT","temp":10,"dewpoint":-5,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T09:00:00.000Z","obsTimeLocal":"2026-10-17T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170900Z 23007KT 15SM SKC 09/M04 A2983 RMK SLP110 DENSITY ALT 3900FT","temp":9,"dewpoint":-4,"humidity":40,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T10:00:00.000Z","obsTimeLocal":"2026-10-17T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171000Z 19003KT 140V250 15SM FEW250 07/M04 A2980 RMK CI1 CI TR PRESFR SLP101","temp":7,"dewpoint":-4,"humidity":45,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T11:00:00.000Z","obsTimeLocal":"2026-10-17T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171100Z 19006KT 180V260 15SM FEW250 07/M05 A2978 RMK CI1 CI TR SLP092","temp":7,"dewpoint":-5,"humidity":42,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T12:00:00.000Z","obsTimeLocal":"2026-10-17T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171200Z 21006KT 140V220 15SM SKC 06/M04 A2976 RMK AURBO SLP085","temp":6,"dewpoint":-4,"humidity":49,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T13:00:00.000Z","obsTimeLocal":"2026-10-17T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171300Z CCA VRB02KT 15SM BKN250 03/M04 A2975 RMK CI6 SLP091","temp":3,"dewpoint":-4,"humidity":60,"wind":1,"precipObserved":false,"correctedAt":"2026-10-17T13:12:45.204Z","originalRaw":"METAR CYYC 171300Z VRB02KT 15SM FEW250 03/M04 A2975 RMK CI2 SLP091"},{"obsTimeUtc":"2026-10-17T14:00:00.000Z","obsTimeLocal":"2026-10-17T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171400Z VRB02KT 20SM FEW150 BKN240 05/M04 A2971 RMK AC1CI7 AC TR CONTRAILS SLP078","temp":5,"dewpoint":-4,"humidity":52,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T15:00:00.000Z","obsTimeLocal":"2026-10-17T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171500Z 33004KT 290V360 40SM FEW120 BKN250 04/M03 A2969 RMK AC1CI7 AC TR CC ASOCTD SLP073","temp":4,"dewpoint":-3,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T16:00:00.000Z","obsTimeLocal":"2026-10-17T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171600Z 20002KT 40SM FEW120 BKN250 09/M01 A2967 RMK AC1CI7 AC TR SH DIST SW SLP061 DENSITY ALT 4100FT","temp":9,"dewpoint":-1,"humidity":50,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:00:00.000Z","obsTimeLocal":"2026-10-17T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171700Z 25010G20KT 30SM FEW120 BKN250 19/M03 A2964 RMK AC1CI7 AC TR CONTRAILS SLP035 DENSITY ALT 5300FT","temp":19,"dewpoint":-3,"humidity":22,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T18:00:00.000Z","obsTimeLocal":"2026-10-17T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171800Z 24010G23KT 30SM FEW120 BKN250 20/M03 A2962 RMK AC1CI7 AC TR SLP035 DENSITY ALT 5400FT","temp":20,"dewpoint":-3,"humidity":21,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:00:00.000Z","obsTimeLocal":"2026-10-17T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 171900Z 25017G41KT 220V280 15SM FEW120 BKN250 21/M05 A2958 RMK AC1CC7 AC TR SH DIST SW-NW SLP015 DENSITY ALT 5500FT","temp":21,"dewpoint":-5,"humidity":17,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:00:00.000Z","obsTimeLocal":"2026-10-17T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 172000Z 25017G38KT 220V280 15SM FEW080 BKN250 21/M05 A2958 RMK AC1CC5 SLP017 DENSITY ALT 5500FT","temp":21,"dewpoint":-5,"humidity":17,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:00:00.000Z","obsTimeLocal":"2026-10-17T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 172100Z 27024G38KT 15SM FEW080 BKN250 20/M04 A2961 RMK AC1CC4 SLP031 DENSITY ALT 5400FT","temp":20,"dewpoint":-4,"humidity":19,"wind":12.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T22:00:00.000Z","obsTimeLocal":"2026-10-17T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 172200Z 27021G31KT 15SM FEW080 SCT250 18/M08 A2968 RMK AC1CC3 PRESRR SLP062 DENSITY ALT 5100FT","temp":18,"dewpoint":-8,"humidity":16,"wind":10.8,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T23:00:00.000Z","obsTimeLocal":"2026-10-17T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 172300Z 29025G31KT 15SM FEW080 SCT250 16/M07 A2976 RMK AC1CI3 SLP090 DENSITY ALT 4800FT","temp":16,"dewpoint":-7,"humidity":20,"wind":12.9,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T00:00:00.000Z","obsTimeLocal":"2026-10-17T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180000Z 28018G30KT 15SM FEW080 FEW250 15/M09 A2979 RMK AC1CI2 AC TR PRESRR SLP105 DENSITY ALT 4600FT","temp":15,"dewpoint":-9,"humidity":18,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T01:00:00.000Z","obsTimeLocal":"2026-10-17T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180100Z 26013G26KT 15SM FEW080 FEW250 13/M08 A2981 RMK AC1CI1 AC TR SLP120 DENSITY ALT 4300FT","temp":13,"dewpoint":-8,"humidity":22,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T02:00:00.000Z","obsTimeLocal":"2026-10-17T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180200Z 27009G15KT 210V280 15SM FEW080 FEW250 12/M09 A2985 RMK AC1CI1 AC TR CI TR SLP133 DENSITY ALT 4200FT","temp":12,"dewpoint":-9,"humidity":22,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T03:00:00.000Z","obsTimeLocal":"2026-10-17T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180300Z 30011KT 15SM SKC 10/M08 A2990 RMK SLP152 DENSITY ALT 4000FT","temp":10,"dewpoint":-8,"humidity":27,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T04:00:00.000Z","obsTimeLocal":"2026-10-17T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180400Z 28020G31KT 15SM SKC 11/M08 A2992 RMK SLP149 DENSITY ALT 4100FT","temp":11,"dewpoint":-8,"humidity":26,"wind":10.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:00:00.000Z","obsTimeLocal":"2026-10-17T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 180500Z 29017G23KT 15SM SKC 11/M08 A2994 RMK SLP145 DENSITY ALT 4000FT","temp":11,"dewpoint":-8,"humidity":26,"wind":8.7,"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/2026-10-17","json":"https://weathermarket.io/api/station/CYYC/2026-10-17","record":"https://weathermarket.io/api/station/CYYC/2026-10-17?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-16","next":"https://weathermarket.io/station/CYYC/2026-10-18","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=17&year2=2026&month2=10&day2=19&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=17&hora=6&anof=2026&mesf=10&dayf=18&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}