{"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":"2026-09-30","window":{"date":"2026-09-30","timezone":"America/Cancun","dayStartUtc":"2026-09-30T05:00:00.000Z","dayEndUtc":"2026-10-01T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":32,"tmaxAt":"2026-09-30T16:48:00.000Z","tmin":26,"tminAt":"2026-09-30T08:40:00.000Z","tavg":28.8,"humidityMean":79.8,"windMean":4.1,"windMax":6.7,"windMaxAt":"2026-10-01T04:41:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":65,"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":"2026-09-30T16:48:00.000Z","obsTimeLocal":"2026-09-30T11:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 301648Z 12009KT 7SM SCT015 32/26 A2991 RMK 8/100 MDYT CU","temp":32,"dewpoint":26,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-30T08:40:00.000Z","obsTimeLocal":"2026-09-30T03:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 300840Z 12002KT 7SM FEW250 26/24 A2985 RMK SLP110 57017 900 8/001","temp":26,"dewpoint":24,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-01T04:41:00.000Z","obsTimeLocal":"2026-09-30T23:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 010441Z 13013KT 7SM FEW015 BKN080 27/24 A2989 RMK 8/130 CI","temp":27,"dewpoint":24,"humidity":84,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-01T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":65,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"5657201bbefe36b0","lastChangedAt":"2026-10-01T04:59:38.796Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-09-30?format=record","status":"anchored","sha256":"bb468717e2d84569df57c023abe1033c9abd7e41b1372d50e22e03830cd1562c","revision":"5657201bbefe36b0","flareTxHash":"0x89d19a214c8c86a0f3a496e202eacefacfd403b6d260c380f661da181735764e","flareBlock":71108794,"anchoredAt":"2026-10-02T02:01:34.292Z","explorer":"https://flare-explorer.flare.network/tx/0x89d19a214c8c86a0f3a496e202eacefacfd403b6d260c380f661da181735764e","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":"2026-09-30T16:48:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-30T08:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":32,"tmin":26,"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":"2026-09-30T05:44:00.000Z","obsTimeLocal":"2026-09-30T00:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 300544Z 14011KT 7SM FEW015 SCT250 28/24 A2990 RMK SLP127 57005 956 8/108 ISOL AC","temp":28,"dewpoint":24,"humidity":79,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T06:44:00.000Z","obsTimeLocal":"2026-09-30T01:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 300644Z 15008KT 7SM FEW250 28/24 A2987 RMK 8/001","temp":28,"dewpoint":24,"humidity":79,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T07:40:00.000Z","obsTimeLocal":"2026-09-30T02:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 300740Z 14004KT 7SM FEW250 27/25 A2986 RMK 8/001","temp":27,"dewpoint":25,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T08:40:00.000Z","obsTimeLocal":"2026-09-30T03:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 300840Z 12002KT 7SM FEW250 26/24 A2985 RMK SLP110 57017 900 8/001","temp":26,"dewpoint":24,"humidity":89,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T09:44:00.000Z","obsTimeLocal":"2026-09-30T04:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 300944Z 13003KT 7SM FEW015TCU SCT080 27/25 A2987 RMK 8/230 ISOL CI","temp":27,"dewpoint":25,"humidity":89,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T10:41:00.000Z","obsTimeLocal":"2026-09-30T05:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 301041Z 11005KT 7SM FEW080 SCT250 27/24 A2988 RMK 8/031","temp":27,"dewpoint":24,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T11:41:00.000Z","obsTimeLocal":"2026-09-30T06:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 301141Z 12005KT 7SM FEW015 SCT080 27/24 A2989 RMK SLP121 52011 959 8/130","temp":27,"dewpoint":24,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T12:43:00.000Z","obsTimeLocal":"2026-09-30T07:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 301243Z 10004KT 7SM FEW015 29/24 A2990 RMK 8/100 AC","temp":29,"dewpoint":24,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T13:45:00.000Z","obsTimeLocal":"2026-09-30T08:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 301345Z 12008KT 7SM SCT015 30/24 A2991 RMK 8/100","temp":30,"dewpoint":24,"humidity":70,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T14:49:00.000Z","obsTimeLocal":"2026-09-30T09:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 301449Z 14008KT 7SM SCT015 30/25 A2992 RMK SLP134 52013 903 8/100 CC","temp":30,"dewpoint":25,"humidity":75,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T15:48:00.000Z","obsTimeLocal":"2026-09-30T10:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 301548Z 09005KT 7SM SCT015 31/25 A2992 RMK 8/100 MDT CU","temp":31,"dewpoint":25,"humidity":70,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T16:48:00.000Z","obsTimeLocal":"2026-09-30T11:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 301648Z 12009KT 7SM SCT015 32/26 A2991 RMK 8/100 MDYT CU","temp":32,"dewpoint":26,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T17:41:00.000Z","obsTimeLocal":"2026-09-30T12:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 301741Z 11007KT 7SM SCT015 32/26 A2989 RMK SLP123 57011 964 8/100 MDT CU CI","temp":32,"dewpoint":26,"humidity":71,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T18:44:00.000Z","obsTimeLocal":"2026-09-30T13:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 301844Z 11011KT 7SM BKN015TCU 31/26 A2987 RMK 8/200 CI","temp":31,"dewpoint":26,"humidity":75,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T19:40:00.000Z","obsTimeLocal":"2026-09-30T14:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 301940Z 11012KT 7SM SCT015CB SCT090 30/26 A2985 RMK 8/360 SC","temp":30,"dewpoint":26,"humidity":79,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T20:41:00.000Z","obsTimeLocal":"2026-09-30T15:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 302041Z 14011KT 7SM SCT015TCU SCT090 29/26 A2985 RMK SLP107 57016 969 8/260 CB W SW","temp":29,"dewpoint":26,"humidity":84,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T21:40:00.000Z","obsTimeLocal":"2026-09-30T16:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 302140Z 14012KT 7SM SCT015CB BKN090 30/25 A2985 RMK 8/360 CI","temp":30,"dewpoint":25,"humidity":75,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T22:42:00.000Z","obsTimeLocal":"2026-09-30T17:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 302242Z 13010KT 7SM FEW015TCU SCT090 29/25 A2984 RMK 8/230 CI","temp":29,"dewpoint":25,"humidity":79,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-30T23:44:00.000Z","obsTimeLocal":"2026-09-30T18:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 302344Z 12009KT 7SM SCT015CB 29/25 A2986 RMK SLP108 52001 964 8/300 AC","temp":29,"dewpoint":25,"humidity":79,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T00:41:00.000Z","obsTimeLocal":"2026-09-30T19:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 010041Z 14008KT 7SM FEW015TCU 27/24 A2988 RMK 8/200 AC","temp":27,"dewpoint":24,"humidity":84,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T01:41:00.000Z","obsTimeLocal":"2026-09-30T20:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 010141Z 12007KT 7SM SCT015TCU 28/25 A2988 RMK 8/200 CI","temp":28,"dewpoint":25,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T02:41:00.000Z","obsTimeLocal":"2026-09-30T21:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 010241Z 11007KT 7SM SCT015 28/25 A2989 RMK SLP122 52014 960 8/100 CI","temp":28,"dewpoint":25,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T03:46:00.000Z","obsTimeLocal":"2026-09-30T22:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 010346Z 08012KT 7SM SCT015TCU 28/25 A2989 RMK 8/200 CI","temp":28,"dewpoint":25,"humidity":84,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T04:41:00.000Z","obsTimeLocal":"2026-09-30T23:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 010441Z 13013KT 7SM FEW015 BKN080 27/24 A2989 RMK 8/130 CI","temp":27,"dewpoint":24,"humidity":84,"wind":6.7,"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/2026-09-30","json":"https://weathermarket.io/api/station/MMUN/2026-09-30","record":"https://weathermarket.io/api/station/MMUN/2026-09-30?format=record","prev":"https://weathermarket.io/station/MMUN/2026-09-29","next":"https://weathermarket.io/station/MMUN/2026-10-01","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=9&day1=30&year2=2026&month2=10&day2=2&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=9&day=30&hora=5&anof=2026&mesf=10&dayf=1&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}