{"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":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Monterrey","dayStartUtc":"2026-10-18T06:00:00.000Z","dayEndUtc":"2026-10-19T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":20,"tmaxAt":"2026-10-18T18:40:00.000Z","tmin":13,"tminAt":"2026-10-18T06:40:00.000Z","tavg":16.2,"humidityMean":56.4,"windMean":1.4,"windMax":3.6,"windMaxAt":"2026-10-18T18:40:00.000Z","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":"2026-10-18T18:40:00.000Z","obsTimeLocal":"2026-10-18T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181840Z 09007KT 10SM BKN070 20/05 A3034 RMK 8/030","temp":20,"dewpoint":5,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T06:40:00.000Z","obsTimeLocal":"2026-10-18T00:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 180640Z 00000KT 8SM BKN080 13/08 A3041 RMK 8/070","temp":13,"dewpoint":8,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T18:40:00.000Z","obsTimeLocal":"2026-10-18T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181840Z 09007KT 10SM BKN070 20/05 A3034 RMK 8/030","temp":20,"dewpoint":5,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0b64c623f3af1b16","lastChangedAt":"2026-10-19T05:59:38.448Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMMY/2026-10-18?format=record","status":"anchored","sha256":"e3b3e92aec51419479511bd0cb30c15aea79ffa9585c98e0ee111f6571a46c72","revision":"0b64c623f3af1b16","flareTxHash":"0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","flareBlock":72468350,"anchoredAt":"2026-10-19T09:01:37.159Z","explorer":"https://flare-explorer.flare.network/tx/0x2159c171df8274c6b500effd8e6a28efd40531f6dd4b5bdc4ad75875b03dc76f","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":"2026-10-18T18:40:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T06:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"tmin":13,"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":"2026-10-18T06:40:00.000Z","obsTimeLocal":"2026-10-18T00:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 180640Z 00000KT 8SM BKN080 13/08 A3041 RMK 8/070","temp":13,"dewpoint":8,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:40:00.000Z","obsTimeLocal":"2026-10-18T01:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 180740Z 00000KT 8SM FEW050 BKN080 14/06 A3040 RMK 8/570","temp":14,"dewpoint":6,"humidity":59,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:40:00.000Z","obsTimeLocal":"2026-10-18T02:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 180840Z 26002KT 8SM BKN080 14/08 A3038 RMK SLP289 57010 979 8/070 ISOL SC","temp":14,"dewpoint":8,"humidity":67,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:40:00.000Z","obsTimeLocal":"2026-10-18T03:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 180940Z 28004KT 8SM OVC080 13/07 A3037 RMK 8/07/","temp":13,"dewpoint":7,"humidity":67,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:40:00.000Z","obsTimeLocal":"2026-10-18T04:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181040Z 28004KT 8SM OVC080 13/08 A3036 RMK 8/07/ BINOVC","temp":13,"dewpoint":8,"humidity":72,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:40:00.000Z","obsTimeLocal":"2026-10-18T05:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181140Z 00000KT 8SM FEW030 OVC070 13/08 A3037 RMK SLP287 57005 990 8/57/ BINOVC","temp":13,"dewpoint":8,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:40:00.000Z","obsTimeLocal":"2026-10-18T06:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181240Z 31004KT 12SM BKN070 13/08 A3038 RMK 8/030 ISOL SC","temp":13,"dewpoint":8,"humidity":72,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:40:00.000Z","obsTimeLocal":"2026-10-18T07:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181340Z 00000KT 10SM BKN070 14/09 A3038 RMK 8/030 ISOL SC","temp":14,"dewpoint":9,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:40:00.000Z","obsTimeLocal":"2026-10-18T08:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181440Z 00000KT 10SM BKN070 15/09 A3040 RMK SLP297 52010 991 8/030 ISOL SC","temp":15,"dewpoint":9,"humidity":67,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:40:00.000Z","obsTimeLocal":"2026-10-18T09:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181540Z 13005KT 10SM BKN070 17/05 A3040 RMK 8/030","temp":17,"dewpoint":5,"humidity":45,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:40:00.000Z","obsTimeLocal":"2026-10-18T10:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181640Z 10005KT 10SM SCT070 18/04 A3040 RMK 8/030 ISOL SC","temp":18,"dewpoint":4,"humidity":39,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:40:00.000Z","obsTimeLocal":"2026-10-18T11:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181740Z 06002KT 10SM SCT070 18/05 A3037 RMK SLP286 57009 990 8/030 ISOL SC","temp":18,"dewpoint":5,"humidity":42,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:40:00.000Z","obsTimeLocal":"2026-10-18T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181840Z 09007KT 10SM BKN070 20/05 A3034 RMK 8/030","temp":20,"dewpoint":5,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:40:00.000Z","obsTimeLocal":"2026-10-18T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 181940Z 12004KT 10SM BKN070 20/05 A3031 RMK 8/030","temp":20,"dewpoint":5,"humidity":37,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:40:00.000Z","obsTimeLocal":"2026-10-18T14:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 182040Z 09005KT 10SM BKN070 20/05 A3029 RMK SLP257 57026 985 8/030","temp":20,"dewpoint":5,"humidity":37,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:40:00.000Z","obsTimeLocal":"2026-10-18T15:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 182140Z 15004KT 10SM BKN070 20/04 A3028 RMK 8/030","temp":20,"dewpoint":4,"humidity":35,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:40:00.000Z","obsTimeLocal":"2026-10-18T16:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 182240Z 12003KT 10SM BKN080 19/06 A3028 RMK 8/030","temp":19,"dewpoint":6,"humidity":43,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:40:00.000Z","obsTimeLocal":"2026-10-18T17:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 182340Z 12003KT 10SM BKN080 18/09 A3029 RMK SLP259 57001 980 8/070","temp":18,"dewpoint":9,"humidity":56,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:40:00.000Z","obsTimeLocal":"2026-10-18T18:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190040Z 10004KT 8SM BKN080 17/09 A3029 RMK 8/070 HZY","temp":17,"dewpoint":9,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:40:00.000Z","obsTimeLocal":"2026-10-18T19:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190140Z 00000KT 8SM BKN080 17/09 A3030 RMK 8/070 HZY ISOL SC","temp":17,"dewpoint":9,"humidity":59,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:40:00.000Z","obsTimeLocal":"2026-10-18T20:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190240Z 12004KT 8SM SCT030 SCT080 16/09 A3031 RMK SLP266 52006 990 8/530 HZY","temp":16,"dewpoint":9,"humidity":63,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:40:00.000Z","obsTimeLocal":"2026-10-18T21:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190340Z 13004KT 8SM BKN070 15/09 A3030 RMK 8/070 ISOL SC","temp":15,"dewpoint":9,"humidity":67,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T04:40:00.000Z","obsTimeLocal":"2026-10-18T22:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190440Z 14003KT 8SM BKN070 16/08 A3029 RMK 8/070","temp":16,"dewpoint":8,"humidity":59,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T05:40:00.000Z","obsTimeLocal":"2026-10-18T23:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 190540Z 00000KT 8SM BKN080 16/07 A3027 RMK SLP252 57010 990 8/070 ISOL SC","temp":16,"dewpoint":7,"humidity":55,"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/2026-10-18","json":"https://weathermarket.io/api/station/MMMY/2026-10-18","record":"https://weathermarket.io/api/station/MMMY/2026-10-18?format=record","prev":"https://weathermarket.io/station/MMMY/2026-10-17","next":"https://weathermarket.io/station/MMMY/2026-10-19","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=18&year2=2026&month2=10&day2=20&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=18&hora=6&anof=2026&mesf=10&dayf=19&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMMY"}}}