{"station":{"icao":"MMMY","city":{"slug":"monterrey","name":"Monterrey","country":"Mexico"},"timezone":"America/Monterrey","lat":25.69,"lon":-100.32,"us":false,"html":"https://weathermarket.io/station/MMMY","json":"https://weathermarket.io/api/station/MMMY","nwsCli":null},"date":"2026-10-21","window":{"date":"2026-10-21","timezone":"America/Monterrey","dayStartUtc":"2026-10-21T06:00:00.000Z","dayEndUtc":"2026-10-22T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":28,"tmaxAt":"2026-10-21T19:40:00.000Z","tmin":18,"tminAt":"2026-10-21T09:40:00.000Z","tavg":22.9,"humidityMean":68.4,"windMean":1.5,"windMax":3.6,"windMaxAt":"2026-10-21T18:40:00.000Z","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":"2026-10-21T19:40:00.000Z","obsTimeLocal":"2026-10-21T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211940Z 21005KT 10SM SCT030 28/17 A3015 RMK 8/100","temp":28,"dewpoint":17,"humidity":51,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-21T09:40:00.000Z","obsTimeLocal":"2026-10-21T03:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210940Z 00000KT 7SM SCT020 18/16 A3015 RMK 8/500 HZY","temp":18,"dewpoint":16,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T18:40:00.000Z","obsTimeLocal":"2026-10-21T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211840Z 11007KT 10SM SCT030 27/16 A3018 RMK 8/100","temp":27,"dewpoint":16,"humidity":51,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-22T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e1badaa4609ef804","lastChangedAt":"2026-10-22T05:59:39.119Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMMY/2026-10-21?format=record","status":"anchored","sha256":"1b3106892fd51f923317135695599d2d4a4e6b08227a067aa655b0d6ce4f9ce0","revision":"e1badaa4609ef804","flareTxHash":"0xa231a6a26fb4843c97ba34b72d18dd8aeee327fe640eac35bd0a4a1456890592","flareBlock":73826414,"anchoredAt":"2026-11-05T19:01:44.458Z","explorer":"https://flare-explorer.flare.network/tx/0xa231a6a26fb4843c97ba34b72d18dd8aeee327fe640eac35bd0a4a1456890592","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":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-21T19:40:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-21T09:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":28,"tmin":18,"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":"2026-10-21T06:40:00.000Z","obsTimeLocal":"2026-10-21T00:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210640Z 00000KT 7SM BKN025 20/18 A3018 RMK 8/500 HZY","temp":20,"dewpoint":18,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T07:40:00.000Z","obsTimeLocal":"2026-10-21T01:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210740Z 02003KT 7SM SCT025 19/17 A3017 RMK 8/500 HZY","temp":19,"dewpoint":17,"humidity":88,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T08:40:00.000Z","obsTimeLocal":"2026-10-21T02:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210840Z 01003KT 7SM SKC 19/16 A3016 RMK SLP205 57009 901 HZY","temp":19,"dewpoint":16,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T09:40:00.000Z","obsTimeLocal":"2026-10-21T03:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210940Z 00000KT 7SM SCT020 18/16 A3015 RMK 8/500 HZY","temp":18,"dewpoint":16,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T10:40:00.000Z","obsTimeLocal":"2026-10-21T04:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211040Z 23004KT 6SM OVC020 19/16 A3016 RMK 8/5// HZY BINOVC","temp":19,"dewpoint":16,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T11:40:00.000Z","obsTimeLocal":"2026-10-21T05:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211140Z 00000KT 7SM BKN020 19/16 A3017 RMK SLP208 52003 901 8/500 HZY","temp":19,"dewpoint":16,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T12:40:00.000Z","obsTimeLocal":"2026-10-21T06:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211240Z 36003KT 8SM BKN030 18/16 A3018 RMK 8/500 HZY","temp":18,"dewpoint":16,"humidity":88,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T13:40:00.000Z","obsTimeLocal":"2026-10-21T07:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211340Z 00000KT 10SM SCT030 SCT080 19/17 A3019 RMK 8/530 HZY","temp":19,"dewpoint":17,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T14:40:00.000Z","obsTimeLocal":"2026-10-21T08:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211440Z 00000KT 10SM SCT040 SCT080 22/17 A3021 RMK SLP221 52015 956 8/530 HZY","temp":22,"dewpoint":17,"humidity":73,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T15:40:00.000Z","obsTimeLocal":"2026-10-21T09:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211540Z 09003KT 10SM SKC 24/17 A3022 RMK ISOL SC AC","temp":24,"dewpoint":17,"humidity":65,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:40:00.000Z","obsTimeLocal":"2026-10-21T10:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211640Z 10004KT 10SM FEW030 25/17 A3022 RMK 8/100","temp":25,"dewpoint":17,"humidity":61,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:40:00.000Z","obsTimeLocal":"2026-10-21T11:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211740Z 00000KT 10SM SCT030 26/17 A3020 RMK SLP217 57003 958 8/100","temp":26,"dewpoint":17,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:40:00.000Z","obsTimeLocal":"2026-10-21T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211840Z 11007KT 10SM SCT030 27/16 A3018 RMK 8/100","temp":27,"dewpoint":16,"humidity":51,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:40:00.000Z","obsTimeLocal":"2026-10-21T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 211940Z 21005KT 10SM SCT030 28/17 A3015 RMK 8/100","temp":28,"dewpoint":17,"humidity":51,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:40:00.000Z","obsTimeLocal":"2026-10-21T14:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 212040Z 16006KT 10SM SCT030 28/16 A3012 RMK SLP190 57026 960 8/100","temp":28,"dewpoint":16,"humidity":48,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:40:00.000Z","obsTimeLocal":"2026-10-21T15:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 212140Z 12007KT 10SM SCT030 28/16 A3011 RMK 8/100","temp":28,"dewpoint":16,"humidity":48,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T22:40:00.000Z","obsTimeLocal":"2026-10-21T16:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 212240Z 16006KT 10SM FEW030 28/16 A3011 RMK 8/100","temp":28,"dewpoint":16,"humidity":48,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T23:40:00.000Z","obsTimeLocal":"2026-10-21T17:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 212340Z 16006KT 10SM FEW030 27/16 A3011 RMK SLP188 57003 962 8/500","temp":27,"dewpoint":16,"humidity":51,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T00:40:00.000Z","obsTimeLocal":"2026-10-21T18:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220040Z 06005KT 8SM FEW030 24/17 A3014 RMK 8/500 HZY","temp":24,"dewpoint":17,"humidity":65,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T01:40:00.000Z","obsTimeLocal":"2026-10-21T19:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220140Z 09006KT 8SM FEW030 24/16 A3016 RMK 8/500 HZY","temp":24,"dewpoint":16,"humidity":61,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T02:40:00.000Z","obsTimeLocal":"2026-10-21T20:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220240Z 00000KT 8SM FEW030 22/16 A3018 RMK SLP116 57069 995 8/500 HZY","temp":22,"dewpoint":16,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T03:40:00.000Z","obsTimeLocal":"2026-10-21T21:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220340Z 00000KT 8SM SCT035 22/15 A3019 RMK 8/500","temp":22,"dewpoint":15,"humidity":65,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T04:40:00.000Z","obsTimeLocal":"2026-10-21T22:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220440Z 00000KT 8SM SKC 22/16 A3018","temp":22,"dewpoint":16,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T05:40:00.000Z","obsTimeLocal":"2026-10-21T23:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 220540Z 00000KT 8SM SKC 21/15 A3017 RMK SLP205 52086 956","temp":21,"dewpoint":15,"humidity":69,"wind":0,"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/MMMY/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/MMMY/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for MMMY for the contract date (station-local calendar day), as published at https://weathermarket.io/station/MMMY/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/MMMY/2026-10-21","json":"https://weathermarket.io/api/station/MMMY/2026-10-21","record":"https://weathermarket.io/api/station/MMMY/2026-10-21?format=record","prev":"https://weathermarket.io/station/MMMY/2026-10-20","next":"https://weathermarket.io/station/MMMY/2026-10-22","station":"https://weathermarket.io/station/MMMY","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=MMMY&data=metar&year1=2026&month1=10&day1=21&year2=2026&month2=10&day2=23&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=MMMY&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=21&hora=6&anof=2026&mesf=10&dayf=22&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMMY"}}}