{"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":"2026-10-20","window":{"date":"2026-10-20","timezone":"America/Monterrey","dayStartUtc":"2026-10-20T06:00:00.000Z","dayEndUtc":"2026-10-21T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":24,"tmaxAt":"2026-10-20T19:40:00.000Z","tmin":18,"tminAt":"2026-10-20T08:40:00.000Z","tavg":21.3,"humidityMean":78.8,"windMean":1.7,"windMax":4.1,"windMaxAt":"2026-10-20T19:40:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":61,"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":"2026-10-20T19:40:00.000Z","obsTimeLocal":"2026-10-20T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201940Z 11008KT 10SM SCT020 OVC030 24/18 A3017 RMK 8/8// TOPS 070","temp":24,"dewpoint":18,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-20T08:40:00.000Z","obsTimeLocal":"2026-10-20T02:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 200840Z 09004KT 8SM BKN070 18/16 A3016 RMK SLP205 57011 979 8/070","temp":18,"dewpoint":16,"humidity":88,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-20T19:40:00.000Z","obsTimeLocal":"2026-10-20T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201940Z 11008KT 10SM SCT020 OVC030 24/18 A3017 RMK 8/8// TOPS 070","temp":24,"dewpoint":18,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-21T09:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":61,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"19d43b463e2e5753","lastChangedAt":"2026-10-21T05:59:38.421Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMMY/2026-10-20?format=record","status":"anchored","sha256":"e3936296baaf91341b9af7a4c260e4137b44a008526f91160a219c3a6ceebddf","revision":"19d43b463e2e5753","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":"2026-10-20T19:40:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-20T08:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":24,"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":"2026-10-20T06:40:00.000Z","obsTimeLocal":"2026-10-20T00:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 200640Z 09003KT 8SM BKN070 19/15 A3018 RMK 8/030","temp":19,"dewpoint":15,"humidity":78,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T07:40:00.000Z","obsTimeLocal":"2026-10-20T01:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 200740Z 06003KT 8SM BKN070 19/16 A3017 RMK 8/070","temp":19,"dewpoint":16,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T08:40:00.000Z","obsTimeLocal":"2026-10-20T02:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 200840Z 09004KT 8SM BKN070 18/16 A3016 RMK SLP205 57011 979 8/070","temp":18,"dewpoint":16,"humidity":88,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T09:40:00.000Z","obsTimeLocal":"2026-10-20T03:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 200940Z 00000KT 8SM BKN070 19/16 A3015 RMK 8/070","temp":19,"dewpoint":16,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T10:40:00.000Z","obsTimeLocal":"2026-10-20T04:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201040Z 00000KT 10SM BKN070 18/16 A3015 RMK 8/070","temp":18,"dewpoint":16,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T11:40:00.000Z","obsTimeLocal":"2026-10-20T05:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201140Z 00000KT 10SM FEW020 BKN070 19/16 A3017 RMK SLP209 52003 989 8/570","temp":19,"dewpoint":16,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T12:40:00.000Z","obsTimeLocal":"2026-10-20T06:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201240Z 00000KT 8SM BKN012 OVC020 19/17 A3018 RMK 8/5//","temp":19,"dewpoint":17,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T13:40:00.000Z","obsTimeLocal":"2026-10-20T07:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201340Z 00000KT 8SM BKN012 OVC018 19/18 A3021 RMK 8/5//","temp":19,"dewpoint":18,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T14:40:00.000Z","obsTimeLocal":"2026-10-20T08:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201440Z 00000KT 10SM BKN018 OVC050 20/18 A3023 RMK SLP232 52022 967 8/5//","temp":20,"dewpoint":18,"humidity":88,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T15:40:00.000Z","obsTimeLocal":"2026-10-20T09:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201540Z 00000KT 10SM BKN015 OVC025 21/18 A3024 RMK 8/5//","temp":21,"dewpoint":18,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T16:40:00.000Z","obsTimeLocal":"2026-10-20T10:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201640Z 14004KT 8SM BKN015 OVC020 21/18 A3024 RMK 8/5//","temp":21,"dewpoint":18,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T17:40:00.000Z","obsTimeLocal":"2026-10-20T11:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201740Z 03005KT 7SM BKN015 OVC018 22/18 A3023 RMK SLP231 57001 958 8/5// HZY","temp":22,"dewpoint":18,"humidity":78,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T18:40:00.000Z","obsTimeLocal":"2026-10-20T12:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201840Z 10007KT 10SM SCT015 BKN020 BKN035 23/18 A3020 RMK 8/800","temp":23,"dewpoint":18,"humidity":73,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T19:40:00.000Z","obsTimeLocal":"2026-10-20T13:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 201940Z 11008KT 10SM SCT020 OVC030 24/18 A3017 RMK 8/8// TOPS 070","temp":24,"dewpoint":18,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T20:41:00.000Z","obsTimeLocal":"2026-10-20T14:41:00-06:00","metarType":"METAR","raw":"METAR MMMY 202041Z 08004KT 7SM SCT015 OVC025 24/18 A3015 RMK SLP204 57024 956 8/5// HZY","temp":24,"dewpoint":18,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T21:40:00.000Z","obsTimeLocal":"2026-10-20T15:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 202140Z 09005KT 7SM SCT020 BKN030 OVC070 24/18 A3015 RMK 8/57/ HZY","temp":24,"dewpoint":18,"humidity":69,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T22:40:00.000Z","obsTimeLocal":"2026-10-20T16:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 202240Z 10004KT 7SM FEW020 BKN030 OVC070 24/17 A3015 RMK 8/57/ HZY","temp":24,"dewpoint":17,"humidity":65,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T23:40:00.000Z","obsTimeLocal":"2026-10-20T17:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 202340Z 14003KT 7SM SCT020 BKN030 OVC070 24/17 A3015 RMK SLP202 57001 953 8/57/ HZY","temp":24,"dewpoint":17,"humidity":65,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T00:40:00.000Z","obsTimeLocal":"2026-10-20T18:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210040Z 21004KT 8SM BKN030 OVC070 24/18 A3016 RMK 8/57/","temp":24,"dewpoint":18,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T01:40:00.000Z","obsTimeLocal":"2026-10-20T19:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210140Z 20004KT 7SM BKN030 OVC070 23/19 A3018 RMK 8/57/ HZY","temp":23,"dewpoint":19,"humidity":78,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T02:40:00.000Z","obsTimeLocal":"2026-10-20T20:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210240Z 30004KT 7SM SCT025 BKN070 22/18 A3019 RMK SLP217 52013 901 8/580 HZY","temp":22,"dewpoint":18,"humidity":78,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T03:40:00.000Z","obsTimeLocal":"2026-10-20T21:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210340Z 29005KT 8SM BKN030 22/18 A3019 RMK 8/500 HZY","temp":22,"dewpoint":18,"humidity":78,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T04:40:00.000Z","obsTimeLocal":"2026-10-20T22:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210440Z 32005KT 7SM BKN030 22/18 A3019 RMK 8/500 HZY","temp":22,"dewpoint":18,"humidity":78,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T05:40:00.000Z","obsTimeLocal":"2026-10-20T23:40:00-06:00","metarType":"METAR","raw":"METAR MMMY 210540Z 32005KT 7SM BKN025 21/18 A3019 RMK SLP214 57002 951 8/500 HZY","temp":21,"dewpoint":18,"humidity":83,"wind":2.6,"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/2026-10-20","json":"https://weathermarket.io/api/station/MMMY/2026-10-20","record":"https://weathermarket.io/api/station/MMMY/2026-10-20?format=record","prev":"https://weathermarket.io/station/MMMY/2026-10-19","next":"https://weathermarket.io/station/MMMY/2026-10-21","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=20&year2=2026&month2=10&day2=22&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=20&hora=6&anof=2026&mesf=10&dayf=21&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMMY"}}}