{"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":"2026-10-16","window":{"date":"2026-10-16","timezone":"America/Edmonton","dayStartUtc":"2026-10-16T06:00:00.000Z","dayEndUtc":"2026-10-17T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":21,"tmaxAt":"2026-10-16T23:00:00.000Z","tmin":1,"tminAt":"2026-10-16T13:53:00.000Z","tavg":10.5,"humidityMean":38.5,"windMean":2.8,"windMax":6.7,"windMaxAt":"2026-10-17T00:00:00.000Z","precipObservedCount":0,"nObservations":28,"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":"2026-10-16T23:00:00.000Z","obsTimeLocal":"2026-10-16T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 162300Z 20005KT 40SM BKN250 21/M05 A3002 RMK CI7 CC ASOCTD SLP182 DENSITY ALT 5000FT","temp":21,"dewpoint":-5,"humidity":17,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-16T13:53:00.000Z","obsTimeLocal":"2026-10-16T07:53:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 161353Z 08002KT 40SM BKN250 01/M06 A3021 RMK CI5 CONTRAILS SLP270","temp":1,"dewpoint":-6,"humidity":60,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T00:00:00.000Z","obsTimeLocal":"2026-10-16T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170000Z 28013KT 40SM BKN250 21/M06 A3000 RMK CC5 SLP172 DENSITY ALT 5100FT","temp":21,"dewpoint":-6,"humidity":16,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-17T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e2abf604a25ecff2","lastChangedAt":"2026-10-17T05:08:42.452Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/CYYC/2026-10-16?format=record","status":"anchored","sha256":"5da9e401a93e58f542f73a5ac3b5ba6dbded02e10e8e7bfb5184e914cd928d60","revision":"e2abf604a25ecff2","flareTxHash":"0xc688b4e3cc6e6011659d19eb6fc0af72e25e433443fe2e17d04b18f820a9d000","flareBlock":72314045,"anchoredAt":"2026-10-17T09:02:54.029Z","explorer":"https://flare-explorer.flare.network/tx/0xc688b4e3cc6e6011659d19eb6fc0af72e25e433443fe2e17d04b18f820a9d000","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":27,"suspect":1,"bad":0,"flagged":[{"obsTimeUtc":"2026-10-16T16:00:00.000Z","flag":"suspect","reasons":["step: temperature changed 8 C in 60 min (> 5)"]}]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-16T23:00:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-16T13:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":21,"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":"2026-10-16T06:00:00.000Z","obsTimeLocal":"2026-10-16T00:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 160600Z 18006KT 15SM SKC 03/M01 A3035 RMK SLP315","temp":3,"dewpoint":-1,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T06:14:00.000Z","obsTimeLocal":"2026-10-16T00:14:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 160614Z 19006KT 15SM SKC 02/M02 A3035 RMK SLP314","temp":2,"dewpoint":-2,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T07:00:00.000Z","obsTimeLocal":"2026-10-16T01:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 160700Z 19007KT 15SM SKC 02/M01 A3033 RMK SLP307","temp":2,"dewpoint":-1,"humidity":81,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T08:00:00.000Z","obsTimeLocal":"2026-10-16T02:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 160800Z 19006KT 15SM SKC 02/M02 A3031 RMK SLP298","temp":2,"dewpoint":-2,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T09:00:00.000Z","obsTimeLocal":"2026-10-16T03:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 160900Z 20004KT 15SM FEW230 04/M04 A3030 RMK CI1 CI TR SLP291","temp":4,"dewpoint":-4,"humidity":56,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T10:00:00.000Z","obsTimeLocal":"2026-10-16T04:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161000Z 21008KT 15SM SKC 06/M05 A3028 RMK SLP278","temp":6,"dewpoint":-5,"humidity":45,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T11:00:00.000Z","obsTimeLocal":"2026-10-16T05:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161100Z 21006KT 15SM SKC 03/M05 A3026 RMK SLP277","temp":3,"dewpoint":-5,"humidity":56,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T11:51:00.000Z","obsTimeLocal":"2026-10-16T05:51:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 161151Z 22004KT 15SM SKC 07/M06 A3024 RMK SLP268","temp":7,"dewpoint":-6,"humidity":39,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T12:00:00.000Z","obsTimeLocal":"2026-10-16T06:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161200Z 21004KT 15SM SKC 05/M06 A3024 RMK SLP270","temp":5,"dewpoint":-6,"humidity":45,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T13:00:00.000Z","obsTimeLocal":"2026-10-16T07:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161300Z 20006KT 15SM FEW220 05/M06 A3023 RMK CI1 CI TR SLP269","temp":5,"dewpoint":-6,"humidity":45,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T13:53:00.000Z","obsTimeLocal":"2026-10-16T07:53:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 161353Z 08002KT 40SM BKN250 01/M06 A3021 RMK CI5 CONTRAILS SLP270","temp":1,"dewpoint":-6,"humidity":60,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T14:00:00.000Z","obsTimeLocal":"2026-10-16T08:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161400Z 15003KT 080V180 40SM BKN250 04/M06 A3021 RMK CI5 CONTRAILS SLP266","temp":4,"dewpoint":-6,"humidity":48,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T14:37:00.000Z","obsTimeLocal":"2026-10-16T08:37:00-06:00","metarType":"SPECI","raw":"SPECI CYYC 161437Z 19006KT 170V300 40SM BKN250 02/M07 A3020 RMK CI6 CC ASOCTD SLP264","temp":2,"dewpoint":-7,"humidity":51,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T15:00:00.000Z","obsTimeLocal":"2026-10-16T09:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161500Z 19004KT 40SM BKN250 05/M05 A3020 RMK CI6 CC ASOCTD SLP259","temp":5,"dewpoint":-5,"humidity":48,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T16:00:00.000Z","obsTimeLocal":"2026-10-16T10:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161600Z VRB02KT 40SM BKN250 13/M07 A3018 RMK CI7 CONTRAILS SLP246 DENSITY ALT 3900FT","temp":13,"dewpoint":-7,"humidity":24,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T17:00:00.000Z","obsTimeLocal":"2026-10-16T11:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161700Z 28004KT 190V330 40SM BKN250 18/M11 A3017 RMK CI7 CC ASOCTD SLP236 DENSITY ALT 4500FT","temp":18,"dewpoint":-11,"humidity":13,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T18:00:00.000Z","obsTimeLocal":"2026-10-16T12:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161800Z 28008G15KT 40SM FEW170 BKN230 19/M12 A3015 RMK AC2CI5 CONTRAILS SLP228 DENSITY ALT 4700FT","temp":19,"dewpoint":-12,"humidity":11,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T19:00:00.000Z","obsTimeLocal":"2026-10-16T13:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 161900Z 27005KT 220V280 40SM BKN200 20/M10 A3013 RMK CC7 SLP220 DENSITY ALT 4800FT","temp":20,"dewpoint":-10,"humidity":12,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T20:00:00.000Z","obsTimeLocal":"2026-10-16T14:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 162000Z 17006KT 160V230 40SM BKN200 19/M06 A3009 RMK CC7 PRESFR SLP207 DENSITY ALT 4700FT","temp":19,"dewpoint":-6,"humidity":18,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T21:00:00.000Z","obsTimeLocal":"2026-10-16T15:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 162100Z 19004KT 40SM BKN230 19/M04 A3007 RMK CC7 SLP201 DENSITY ALT 4800FT","temp":19,"dewpoint":-4,"humidity":21,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T22:00:00.000Z","obsTimeLocal":"2026-10-16T16:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 162200Z 17005KT 40SM BKN250 20/M05 A3004 RMK CC7 SLP186 DENSITY ALT 4900FT","temp":20,"dewpoint":-5,"humidity":18,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T23:00:00.000Z","obsTimeLocal":"2026-10-16T17:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 162300Z 20005KT 40SM BKN250 21/M05 A3002 RMK CI7 CC ASOCTD SLP182 DENSITY ALT 5000FT","temp":21,"dewpoint":-5,"humidity":17,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T00:00:00.000Z","obsTimeLocal":"2026-10-16T18:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170000Z 28013KT 40SM BKN250 21/M06 A3000 RMK CC5 SLP172 DENSITY ALT 5100FT","temp":21,"dewpoint":-6,"humidity":16,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T01:00:00.000Z","obsTimeLocal":"2026-10-16T19:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170100Z 22003KT 20SM BKN240 18/M05 A3000 RMK CI5 SLP174 DENSITY ALT 4700FT","temp":18,"dewpoint":-5,"humidity":20,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T02:00:00.000Z","obsTimeLocal":"2026-10-16T20:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170200Z 20004KT 15SM SCT240 14/M05 A2998 RMK CI4 SLP176 DENSITY ALT 4300FT","temp":14,"dewpoint":-5,"humidity":26,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T03:00:00.000Z","obsTimeLocal":"2026-10-16T21:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170300Z 20006KT 15SM FEW150 BKN240 15/M05 A2996 RMK AC1CI4 SLP165 DENSITY ALT 4400FT","temp":15,"dewpoint":-5,"humidity":25,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T04:00:00.000Z","obsTimeLocal":"2026-10-16T22:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170400Z 20006KT 15SM SCT220 12/M04 A2994 RMK CI4 SLP153 DENSITY ALT 4100FT","temp":12,"dewpoint":-4,"humidity":32,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T05:00:00.000Z","obsTimeLocal":"2026-10-16T23:00:00-06:00","metarType":"METAR","raw":"METAR CYYC 170500Z 19006KT 15SM FEW220 BKN250 14/M05 A2992 RMK CI2CI4 SLP136 DENSITY ALT 4300FT","temp":14,"dewpoint":-5,"humidity":26,"wind":3.1,"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/2026-10-16","json":"https://weathermarket.io/api/station/CYYC/2026-10-16","record":"https://weathermarket.io/api/station/CYYC/2026-10-16?format=record","prev":"https://weathermarket.io/station/CYYC/2026-10-15","next":"https://weathermarket.io/station/CYYC/2026-10-17","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=16&year2=2026&month2=10&day2=18&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=16&hora=6&anof=2026&mesf=10&dayf=17&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=CYYC"}}}