{"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":"2026-10-21","window":{"date":"2026-10-21","timezone":"America/Cancun","dayStartUtc":"2026-10-21T05:00:00.000Z","dayEndUtc":"2026-10-22T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":30,"tmaxAt":"2026-10-21T14:53:00.000Z","tmin":27,"tminAt":"2026-10-21T08:40:00.000Z","tavg":28.4,"humidityMean":74.8,"windMean":2.9,"windMax":4.6,"windMaxAt":"2026-10-21T05:40:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":73,"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":"2026-10-21T14:53:00.000Z","obsTimeLocal":"2026-10-21T09:53:00-05:00","metarType":"METAR","raw":"METAR MMUN 211453Z 04009KT 7SM BKN015TCU 30/23 A2999 RMK SLP156 52014 904 8/200 CI","temp":30,"dewpoint":23,"humidity":66,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-21T08:40:00.000Z","obsTimeLocal":"2026-10-21T03:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210840Z 07004KT 7SM SCT015 SCT250 27/24 A2992 RMK SLP131 57011 908 8/108 MDT CU","temp":27,"dewpoint":24,"humidity":84,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-21T05:40:00.000Z","obsTimeLocal":"2026-10-21T00:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210540Z 08009KT 7SM SCT015TCU BKN250 28/24 A2994 RMK SLP142 57006 902 8/208 AC","temp":28,"dewpoint":24,"humidity":79,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-22T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":73,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"4d6e4d407b95088e","lastChangedAt":"2026-10-22T04:59:38.894Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-10-21?format=record","status":"anchored","sha256":"94761872b591cfdb2bf1a000a1d817ff84ac9ccc9adaf69724abe04dca1e0ef0","revision":"4d6e4d407b95088e","flareTxHash":"0x5a6847a8fe76e2a98961163bfd266b0b638653cdd84ac9276b8804e135aba302","flareBlock":73846990,"anchoredAt":"2026-11-06T01:01:34.767Z","explorer":"https://flare-explorer.flare.network/tx/0x5a6847a8fe76e2a98961163bfd266b0b638653cdd84ac9276b8804e135aba302","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":"2026-10-21T14:53:00.000Z","flag":"good","reasons":["step_not_tested: previous valid report 73 min earlier (> 70)"]},"tmin":{"obsTimeUtc":"2026-10-21T08:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":30,"tmin":27,"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":"2026-10-21T05:40:00.000Z","obsTimeLocal":"2026-10-21T00:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210540Z 08009KT 7SM SCT015TCU BKN250 28/24 A2994 RMK SLP142 57006 902 8/208 AC","temp":28,"dewpoint":24,"humidity":79,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T06:40:00.000Z","obsTimeLocal":"2026-10-21T01:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210640Z 05008KT 7SM FEW015 BKN250 28/23 A2993 RMK 8/108","temp":28,"dewpoint":23,"humidity":74,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T07:40:00.000Z","obsTimeLocal":"2026-10-21T02:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210740Z 07003KT 7SM FEW015 BKN250 28/24 A2992 RMK 8/108 MDT CU SE","temp":28,"dewpoint":24,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T08:40:00.000Z","obsTimeLocal":"2026-10-21T03:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210840Z 07004KT 7SM SCT015 SCT250 27/24 A2992 RMK SLP131 57011 908 8/108 MDT CU","temp":27,"dewpoint":24,"humidity":84,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T09:40:00.000Z","obsTimeLocal":"2026-10-21T04:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210940Z 05004KT 7SM FEW015 BKN250 28/23 A2991 RMK 8/108","temp":28,"dewpoint":23,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T10:40:00.000Z","obsTimeLocal":"2026-10-21T05:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 211040Z 06005KT 7SM FEW015 BKN250 28/23 A2993 RMK 8/108 MDT CU","temp":28,"dewpoint":23,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T11:40:00.000Z","obsTimeLocal":"2026-10-21T06:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 211140Z 07006KT 7SM FEW015 SCT250 28/23 A2995 RMK SLP142 52011 912 8/208 MDT CU AC","temp":28,"dewpoint":23,"humidity":74,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T12:45:00.000Z","obsTimeLocal":"2026-10-21T07:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 211245Z 04005KT 7SM FEW015 SCT250 28/23 A2996 RMK 8/108 MDT CU","temp":28,"dewpoint":23,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T13:40:00.000Z","obsTimeLocal":"2026-10-21T08:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 211340Z 04009KT 7SM SCT015 SCT250 28/24 A2997 RMK 8/108 AC HZ","temp":28,"dewpoint":24,"humidity":79,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T14:53:00.000Z","obsTimeLocal":"2026-10-21T09:53:00-05:00","metarType":"METAR","raw":"METAR MMUN 211453Z 04009KT 7SM BKN015TCU 30/23 A2999 RMK SLP156 52014 904 8/200 CI","temp":30,"dewpoint":23,"humidity":66,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T15:48:00.000Z","obsTimeLocal":"2026-10-21T10:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 211548Z 05006KT 7SM SCT015TCU 30/23 A2998 RMK 8/200 CC","temp":30,"dewpoint":23,"humidity":66,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T16:56:00.000Z","obsTimeLocal":"2026-10-21T11:56:00-05:00","metarType":"METAR","raw":"METAR MMUN 211656Z 02008KT 7SM SCT015TCU 30/22 A2998 RMK 8/200 CC","temp":30,"dewpoint":22,"humidity":62,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T17:44:00.000Z","obsTimeLocal":"2026-10-21T12:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 211744Z 05004KT 7SM SCT015TCU 30/24 A2996 RMK SLP149 57007 906 8/200 CI","temp":30,"dewpoint":24,"humidity":70,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T18:45:00.000Z","obsTimeLocal":"2026-10-21T13:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 211845Z 07005KT 7SM SCT015TCU 30/24 A2994 RMK 8/200 CI","temp":30,"dewpoint":24,"humidity":70,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T19:45:00.000Z","obsTimeLocal":"2026-10-21T14:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 211945Z 05006KT 7SM BKN015TCU 30/23 A2992 RMK 8/200 CI","temp":30,"dewpoint":23,"humidity":66,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T20:41:00.000Z","obsTimeLocal":"2026-10-21T15:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 212041Z 09006KT 7SM SCT015TCU 29/23 A2991 RMK SLP130 57019 901 8/200 CI","temp":29,"dewpoint":23,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T21:44:00.000Z","obsTimeLocal":"2026-10-21T16:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 212144Z 06005KT 7SM BKN015TCU 29/25 A2992 RMK 8/200","temp":29,"dewpoint":25,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T22:42:00.000Z","obsTimeLocal":"2026-10-21T17:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 212242Z 05006KT 7SM BKN015TCU 29/23 A2992 RMK 8/200","temp":29,"dewpoint":23,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T23:45:00.000Z","obsTimeLocal":"2026-10-21T18:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 212345Z 05004KT 7SM FEW015TCU 27/23 A2994 RMK SLP141 52011 907 8/200","temp":27,"dewpoint":23,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T00:46:00.000Z","obsTimeLocal":"2026-10-21T19:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 220046Z 06003KT 7SM FEW015 28/23 A2996 RMK 8/100","temp":28,"dewpoint":23,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T01:44:00.000Z","obsTimeLocal":"2026-10-21T20:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 220144Z 05004KT 7SM FEW015TCU 27/24 A2997 RMK 8/200","temp":27,"dewpoint":24,"humidity":84,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T02:48:00.000Z","obsTimeLocal":"2026-10-21T21:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 220248Z 06005KT 7SM FEW015TCU 27/24 A2998 RMK SLP153 52012 905 8/200","temp":27,"dewpoint":24,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T03:49:00.000Z","obsTimeLocal":"2026-10-21T22:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 220349Z 08005KT 7SM SCT015 27/23 A2998 RMK 8/400","temp":27,"dewpoint":23,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T04:52:00.000Z","obsTimeLocal":"2026-10-21T23:52:00-05:00","metarType":"METAR","raw":"METAR MMUN 220452Z 07005KT 7SM SCT015 27/24 A2996 RMK 8/500","temp":27,"dewpoint":24,"humidity":84,"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/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/2026-10-21","json":"https://weathermarket.io/api/station/MMUN/2026-10-21","record":"https://weathermarket.io/api/station/MMUN/2026-10-21?format=record","prev":"https://weathermarket.io/station/MMUN/2026-10-20","next":"https://weathermarket.io/station/MMUN/2026-10-22","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=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=MMUN&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=21&hora=5&anof=2026&mesf=10&dayf=22&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}