{"station":{"icao":"MMUN","city":{"slug":"cancun","name":"Cancun","country":"Mexico"},"timezone":"America/Cancun","lat":21.16,"lon":-86.85,"us":false,"html":"https://weathermarket.io/station/MMUN","json":"https://weathermarket.io/api/station/MMUN","nwsCli":null},"date":"2026-10-19","window":{"date":"2026-10-19","timezone":"America/Cancun","dayStartUtc":"2026-10-19T05:00:00.000Z","dayEndUtc":"2026-10-20T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":30,"tmaxAt":"2026-10-19T19:43:00.000Z","tmin":23,"tminAt":"2026-10-19T08:42:00.000Z","tavg":26.5,"humidityMean":91.8,"windMean":1.2,"windMax":3.6,"windMaxAt":"2026-10-19T15:54:00.000Z","precipObservedCount":3,"nObservations":25,"maxGapMinutes":67,"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":"2026-10-19T19:43:00.000Z","obsTimeLocal":"2026-10-19T14:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 191943Z 07007KT 6SM SCT015TCU BKN100 BKN250 30/25 A2991 RMK 8/222 HZ","temp":30,"dewpoint":25,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-19T08:42:00.000Z","obsTimeLocal":"2026-10-19T03:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 190842Z 00000KT 7SM SKC 23/23 A2992 RMK SLP134 57013 954 CU","temp":23,"dewpoint":23,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-19T15:54:00.000Z","obsTimeLocal":"2026-10-19T10:54:00-05:00","metarType":"METAR","raw":"METAR MMUN 191554Z 11007KT 6SM BKN015CB OVC250 28/26 A2998 RMK 8/303 HZ AC","temp":28,"dewpoint":26,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-20T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":67,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"cfa3ca935bf46646","lastChangedAt":"2026-10-20T04:59:38.364Z","corrections":[{"obsTimeUtc":"2026-10-19T13:06:00.000Z","correctedAt":"2026-10-19T13:10:38.467Z","original":"SPECI MMUN 191306Z 12003KT 6SM -RA BKN015CB BKN080 26/26 A2997 RMK 8/330 CI","corrected":"METAR MMUN 191306Z 12003KT 6SM -RA BKN015CB BKN080 26/26 A2997 RMK 8/330 CI"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-10-19?format=record","status":"anchored","sha256":"fff464e8c12bd4fdd4ef50a6df1e51824b0bf368093f41e0fb37c3d283030eb3","revision":"cfa3ca935bf46646","flareTxHash":"0xacc45d354d8f667c8a252ce869df9996e0f2a149cfb793b176701803a3dec4ff","flareBlock":72541134,"anchoredAt":"2026-10-20T08:02:02.562Z","explorer":"https://flare-explorer.flare.network/tx/0xacc45d354d8f667c8a252ce869df9996e0f2a149cfb793b176701803a3dec4ff","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-19T19:43:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-19T08:42:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":30,"tmin":23,"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":"2026-10-19T05:43:00.000Z","obsTimeLocal":"2026-10-19T00:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 190543Z 00000KT 7SM FEW015 24/23 A2996 RMK SLP147 57005 905 8/100 CI","temp":24,"dewpoint":23,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T06:41:00.000Z","obsTimeLocal":"2026-10-19T01:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 190641Z 00000KT 7SM FEW015 24/23 A2994 RMK 8/100 AC","temp":24,"dewpoint":23,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T07:43:00.000Z","obsTimeLocal":"2026-10-19T02:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 190743Z 00000KT 7SM FEW015 24/23 A2994 RMK 8/100","temp":24,"dewpoint":23,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T08:42:00.000Z","obsTimeLocal":"2026-10-19T03:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 190842Z 00000KT 7SM SKC 23/23 A2992 RMK SLP134 57013 954 CU","temp":23,"dewpoint":23,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T09:45:00.000Z","obsTimeLocal":"2026-10-19T04:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 190945Z 00000KT 7SM FEW015 24/23 A2991 RMK 8/100","temp":24,"dewpoint":23,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T10:42:00.000Z","obsTimeLocal":"2026-10-19T05:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 191042Z 00000KT 7SM SKC 24/23 A2992","temp":24,"dewpoint":23,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T11:40:00.000Z","obsTimeLocal":"2026-10-19T06:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 191140Z 00000KT 7SM FEW015CB SCT080 23/23 A2993 RMK SLP138 52004 955 8/370 CI SC","temp":23,"dewpoint":23,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T12:46:00.000Z","obsTimeLocal":"2026-10-19T07:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 191246Z 07004KT 3SM RA BKN012CB 26/25 A2996 RMK 6//// 8/300 RAB45","temp":26,"dewpoint":25,"humidity":94,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T13:06:00.000Z","obsTimeLocal":"2026-10-19T08:06:00-05:00","metarType":"METAR","raw":"METAR MMUN 191306Z 12003KT 6SM -RA BKN015CB BKN080 26/26 A2997 RMK 8/330 CI","temp":26,"dewpoint":26,"humidity":100,"wind":1.5,"precipObserved":true,"correctedAt":"2026-10-19T13:10:38.467Z","originalRaw":"SPECI MMUN 191306Z 12003KT 6SM -RA BKN015CB BKN080 26/26 A2997 RMK 8/330 CI"},{"obsTimeUtc":"2026-10-19T13:49:00.000Z","obsTimeLocal":"2026-10-19T08:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 191349Z 00000KT 6SM -RA BKN015CB BKN250 27/26 A2998 RMK 6//// 8/303 AC","temp":27,"dewpoint":26,"humidity":94,"wind":0,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T14:47:00.000Z","obsTimeLocal":"2026-10-19T09:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 191447Z 00000KT 6SM SCT015CB BKN250 27/26 A2998 RMK SLP155 52017 959 6//// 8/303 RAE30 AC HZ","temp":27,"dewpoint":26,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T15:54:00.000Z","obsTimeLocal":"2026-10-19T10:54:00-05:00","metarType":"METAR","raw":"METAR MMUN 191554Z 11007KT 6SM BKN015CB OVC250 28/26 A2998 RMK 8/303 HZ AC","temp":28,"dewpoint":26,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T16:47:00.000Z","obsTimeLocal":"2026-10-19T11:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 191647Z 07004KT 6SM BKN015CB OVC250 27/25 A2997 RMK 8/303 AC OCNL DROPS","temp":27,"dewpoint":25,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T17:44:00.000Z","obsTimeLocal":"2026-10-19T12:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 191744Z 11005KT 6SM SCT015CB OVC250 28/26 A2994 RMK SLP141 57014 952 8/303 SC BINOVC HZ","temp":28,"dewpoint":26,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T18:42:00.000Z","obsTimeLocal":"2026-10-19T13:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 191842Z 09006KT 6SM SCT015TCU OVC250 29/26 A2992 RMK 8/208 SC HZ BINOVC","temp":29,"dewpoint":26,"humidity":84,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T19:43:00.000Z","obsTimeLocal":"2026-10-19T14:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 191943Z 07007KT 6SM SCT015TCU BKN100 BKN250 30/25 A2991 RMK 8/222 HZ","temp":30,"dewpoint":25,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T20:41:00.000Z","obsTimeLocal":"2026-10-19T15:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 192041Z 10004KT 7SM SCT015TCU BKN100 OVC250 29/29 A2989 RMK SLP124 57017 953 8/222 HZY","temp":29,"dewpoint":29,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T21:43:00.000Z","obsTimeLocal":"2026-10-19T16:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 192143Z 03002KT 7SM FEW015TCU SCT100 OVC250 29/26 A2988 RMK 8/222 HZY","temp":29,"dewpoint":26,"humidity":84,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T22:43:00.000Z","obsTimeLocal":"2026-10-19T17:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 192243Z 05002KT 6SM SCT015TCU BKN090 OVC250 28/26 A2990 RMK 8/272 HZ OCNL RA","temp":28,"dewpoint":26,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T23:42:00.000Z","obsTimeLocal":"2026-10-19T18:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 192342Z 11002KT 7SM FEW015TCU BKN080 OVC250 27/26 A2990 RMK SLP126 52002 963 8/222 HZY","temp":27,"dewpoint":26,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T00:42:00.000Z","obsTimeLocal":"2026-10-19T19:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 200042Z 08002KT 7SM FEW015 BKN080 OVC250 27/25 A2992 RMK 8/172 HZY","temp":27,"dewpoint":25,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T01:42:00.000Z","obsTimeLocal":"2026-10-19T20:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 200142Z 04002KT 7SM SCT080 BKN250 27/25 A2993 RMK 8/032 SC","temp":27,"dewpoint":25,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T02:41:00.000Z","obsTimeLocal":"2026-10-19T21:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 200241Z 06002KT 7SM FEW080 BKN250 27/26 A2994 RMK SLP141 52015 961 8/032","temp":27,"dewpoint":26,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T03:43:00.000Z","obsTimeLocal":"2026-10-19T22:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 200343Z 08003KT 7SM FEW015TCU 27/25 A2995 RMK 8/200 ISOL CI","temp":27,"dewpoint":25,"humidity":89,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T04:42:00.000Z","obsTimeLocal":"2026-10-19T23:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 200442Z 06002KT 7SM SCT015TCU SCT080 27/25 A2995 RMK 8/260 ISOL CI","temp":27,"dewpoint":25,"humidity":89,"wind":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/MMUN/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/MMUN/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for MMUN for the contract date (station-local calendar day), as published at https://weathermarket.io/station/MMUN/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/MMUN/2026-10-19","json":"https://weathermarket.io/api/station/MMUN/2026-10-19","record":"https://weathermarket.io/api/station/MMUN/2026-10-19?format=record","prev":"https://weathermarket.io/station/MMUN/2026-10-18","next":"https://weathermarket.io/station/MMUN/2026-10-20","station":"https://weathermarket.io/station/MMUN","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=MMUN&data=metar&year1=2026&month1=10&day1=19&year2=2026&month2=10&day2=21&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=MMUN&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=19&hora=5&anof=2026&mesf=10&dayf=20&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}