{"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":"2026-09-27","window":{"date":"2026-09-27","timezone":"America/Cancun","dayStartUtc":"2026-09-27T05:00:00.000Z","dayEndUtc":"2026-09-28T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":33,"tmaxAt":"2026-09-27T19:43:00.000Z","tmin":24,"tminAt":"2026-09-27T09:41:00.000Z","tavg":28.7,"humidityMean":80.4,"windMean":2.1,"windMax":6.2,"windMaxAt":"2026-09-27T19:43:00.000Z","precipObservedCount":0,"nObservations":24,"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":"2026-09-27T19:43:00.000Z","obsTimeLocal":"2026-09-27T14:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 271943Z 15012KT 7SM SCT015TCU BKN250 33/25 A2990 RMK 8/208","temp":33,"dewpoint":25,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-27T09:41:00.000Z","obsTimeLocal":"2026-09-27T04:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 270941Z 00000KT 7SM SKC 24/24 A2989 RMK CI SC","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-27T19:43:00.000Z","obsTimeLocal":"2026-09-27T14:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 271943Z 15012KT 7SM SCT015TCU BKN250 33/25 A2990 RMK 8/208","temp":33,"dewpoint":25,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-28T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":67,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"53c8310e79af6087","lastChangedAt":"2026-09-28T04:59:38.500Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-09-27?format=record","status":"anchored","sha256":"3482649399826d486665d604a2d7d266f5eab33394889e0d5a5533a93b714762","revision":"53c8310e79af6087","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":"2026-09-27T19:43:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-27T09:41:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":33,"tmin":24,"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":"2026-09-27T05:40:00.000Z","obsTimeLocal":"2026-09-27T00:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 270540Z 00000KT 7SM FEW080 BKN250 26/25 A2994 RMK SLP139 52001 953 8/038","temp":26,"dewpoint":25,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T06:40:00.000Z","obsTimeLocal":"2026-09-27T01:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 270640Z 00000KT 7SM SCT250 26/25 A2993 RMK 8/008","temp":26,"dewpoint":25,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T07:40:00.000Z","obsTimeLocal":"2026-09-27T02:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 270740Z 31002KT 7SM SCT259 25/24 A2992 RMK 8/002 AC","temp":25,"dewpoint":24,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T08:40:00.000Z","obsTimeLocal":"2026-09-27T03:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 270840Z 00000KT 7SM FEW015 25/24 A2990 RMK SLP127 57012 900 8/500 CI","temp":25,"dewpoint":24,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T09:41:00.000Z","obsTimeLocal":"2026-09-27T04:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 270941Z 00000KT 7SM SKC 24/24 A2989 RMK CI SC","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T10:40:00.000Z","obsTimeLocal":"2026-09-27T05:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 271040Z 00000KT 7SM SKC 24/24 A2990 RMK CI","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T11:42:00.000Z","obsTimeLocal":"2026-09-27T06:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 271142Z 00000KT 7SM FEW250 24/24 A2991 RMK SLP129 52002 956 8/002 HZY DSNT CU S","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T12:46:00.000Z","obsTimeLocal":"2026-09-27T07:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 271246Z 00000KT 7SM FEW250 26/26 A2992 RMK 8/002","temp":26,"dewpoint":26,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T13:47:00.000Z","obsTimeLocal":"2026-09-27T08:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 271347Z 12004KT 7SM SCT250 30/25 A2993 RMK 8/002","temp":30,"dewpoint":25,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T14:46:00.000Z","obsTimeLocal":"2026-09-27T09:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 271446Z 14004KT 7SM SCT250 31/24 A2995 RMK SLP142 52013 956 8/002 CU","temp":31,"dewpoint":24,"humidity":66,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T15:40:00.000Z","obsTimeLocal":"2026-09-27T10:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 271540Z 16003KT 7SM SCT250 32/24 A2995 RMK 8/002 CU","temp":32,"dewpoint":24,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T16:45:00.000Z","obsTimeLocal":"2026-09-27T11:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 271645Z 14006KT 7SM BKN250 32/24 A2995 RMK 8/002 CU","temp":32,"dewpoint":24,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T17:47:00.000Z","obsTimeLocal":"2026-09-27T12:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 271747Z 13009KT 7SM FEW015 BKN250 32/25 A2994 RMK SLP140 57002 954 8/102","temp":32,"dewpoint":25,"humidity":67,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T18:47:00.000Z","obsTimeLocal":"2026-09-27T13:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 271847Z 10008KT 7SM SCT015 BKN250 32/26 A2992 RMK 8/102","temp":32,"dewpoint":26,"humidity":71,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T19:43:00.000Z","obsTimeLocal":"2026-09-27T14:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 271943Z 15012KT 7SM SCT015TCU BKN250 33/25 A2990 RMK 8/208","temp":33,"dewpoint":25,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T20:42:00.000Z","obsTimeLocal":"2026-09-27T15:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 272042Z 13012KT 7SM FEW015TCU SCT080 BKN250 31/25 A2989 RMK SLP121 57019 955 8/238 CB N SW","temp":31,"dewpoint":25,"humidity":70,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T21:43:00.000Z","obsTimeLocal":"2026-09-27T16:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 272143Z 14010KT 7SM FEW015 SCT080 BKN250 31/25 A2988 RMK 8/138 ISOL TCU W SW","temp":31,"dewpoint":25,"humidity":70,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T22:41:00.000Z","obsTimeLocal":"2026-09-27T17:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 272241Z 13010KT 7SM FEW080 BKN250 31/24 A2988 RMK 8/038 ISOL TCU","temp":31,"dewpoint":24,"humidity":66,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-27T23:48:00.000Z","obsTimeLocal":"2026-09-27T18:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 272348Z 14006KT 7SM BKN250 30/25 A2990 RMK SLP123 52002 951 8/008 AC DSNT CB NW","temp":30,"dewpoint":25,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T00:42:00.000Z","obsTimeLocal":"2026-09-27T19:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 280042Z 12003KT 7SM BKN250 29/25 A2991 RMK 8/008 AC","temp":29,"dewpoint":25,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T01:40:00.000Z","obsTimeLocal":"2026-09-27T20:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 280140Z 00000KT 7SM BKN250 29/25 A2992 RMK 8/008 AC","temp":29,"dewpoint":25,"humidity":79,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T02:41:00.000Z","obsTimeLocal":"2026-09-27T21:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 280241Z 15004KT 7SM FEW015 BKN250 29/25 A2994 RMK SLP139 52016 901 8/108 ISOL AC","temp":29,"dewpoint":25,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T03:40:00.000Z","obsTimeLocal":"2026-09-27T22:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 280340Z 16003KT 7SM FEW015 BKN250 29/25 A2994 RMK 8/108","temp":29,"dewpoint":25,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-28T04:43:00.000Z","obsTimeLocal":"2026-09-27T23:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 280443Z 16004KT 7SM FEW015 SCT250 28/26 A2993 RMK 8/108","temp":28,"dewpoint":26,"humidity":89,"wind":2.1,"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/2026-09-27","json":"https://weathermarket.io/api/station/MMUN/2026-09-27","record":"https://weathermarket.io/api/station/MMUN/2026-09-27?format=record","prev":"https://weathermarket.io/station/MMUN/2026-09-26","next":"https://weathermarket.io/station/MMUN/2026-09-28","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=27&year2=2026&month2=9&day2=29&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=27&hora=5&anof=2026&mesf=9&dayf=28&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}