{"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":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Cancun","dayStartUtc":"2026-10-18T05:00:00.000Z","dayEndUtc":"2026-10-19T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":32,"tmaxAt":"2026-10-18T17:52:00.000Z","tmin":24,"tminAt":"2026-10-18T08:49:00.000Z","tavg":27.6,"humidityMean":87.5,"windMean":1.7,"windMax":5.1,"windMaxAt":"2026-10-18T19:41:00.000Z","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":"2026-10-18T17:52:00.000Z","obsTimeLocal":"2026-10-18T12:52:00-05:00","metarType":"METAR","raw":"METAR MMUN 181752Z 11009KT 7SM SCT015TCU SCT250 32/25 A2995 RMK SLP143 57021 901 8/208 AC","temp":32,"dewpoint":25,"humidity":67,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T08:49:00.000Z","obsTimeLocal":"2026-10-18T03:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 180849Z 00000KT 7SM SCT015TCU 24/24 A2993 RMK SLP138 57004 909 8/200","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T19:41:00.000Z","obsTimeLocal":"2026-10-18T14:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 181941Z 09010KT 7SM BKN015TCU BKN250 31/26 A2992 RMK 8/208","temp":31,"dewpoint":26,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":67,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0f9ee56d29916ce2","lastChangedAt":"2026-10-19T04:59:38.755Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-10-18?format=record","status":"anchored","sha256":"a3eeee0fcc0f55b2bc3e4283f1aa3160e9642ad90c3613f3507294a184332014","revision":"0f9ee56d29916ce2","flareTxHash":"0x1c737e43782c581d35bbcaf17acaca79a36172dee977d30c5aee82e91ce866f6","flareBlock":72465405,"anchoredAt":"2026-10-19T08:02:00.342Z","explorer":"https://flare-explorer.flare.network/tx/0x1c737e43782c581d35bbcaf17acaca79a36172dee977d30c5aee82e91ce866f6","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":"2026-10-18T17:52:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T08:49:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":32,"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":"2026-10-18T05:42:00.000Z","obsTimeLocal":"2026-10-18T00:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 180542Z 31004KT 7SM SCT015TCU 25/25 A2995 RMK SLP142 57013 953 8/200","temp":25,"dewpoint":25,"humidity":100,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:40:00.000Z","obsTimeLocal":"2026-10-18T01:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 180640Z 00000KT 7SM SCT015 25/25 A2995 RMK 8/200","temp":25,"dewpoint":25,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T07:42:00.000Z","obsTimeLocal":"2026-10-18T02:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 180742Z 36002KT 7SM SCT015TCU 25/25 A2994 RMK 8/200","temp":25,"dewpoint":25,"humidity":100,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:49:00.000Z","obsTimeLocal":"2026-10-18T03:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 180849Z 00000KT 7SM SCT015TCU 24/24 A2993 RMK SLP138 57004 909 8/200","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:42:00.000Z","obsTimeLocal":"2026-10-18T04:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 180942Z 32003KT 7SM SCT015TCU 24/24 A2993 RMK 8/200","temp":24,"dewpoint":24,"humidity":100,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:42:00.000Z","obsTimeLocal":"2026-10-18T05:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 181042Z 00000KT 7SM SKC 24/24 A2994","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:45:00.000Z","obsTimeLocal":"2026-10-18T06:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 181145Z 00000KT 7SM FEW015TCU SCT250 24/24 A2995 RMK SLP143 52005 905 8/201 ISOL AC","temp":24,"dewpoint":24,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:45:00.000Z","obsTimeLocal":"2026-10-18T07:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 181245Z 31002KT 7SM FEW015TCU SCT250 25/24 A2997 RMK 8/208","temp":25,"dewpoint":24,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:49:00.000Z","obsTimeLocal":"2026-10-18T08:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 181349Z 00000KT 7SM FEW015TCU SCT250 27/27 A3000 RMK 8/208 AC","temp":27,"dewpoint":27,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:48:00.000Z","obsTimeLocal":"2026-10-18T09:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 181448Z 10003KT 7SM SCT015TCU SCT250 31/27 A3001 RMK SLP164 52021 913 8/208","temp":31,"dewpoint":27,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:44:00.000Z","obsTimeLocal":"2026-10-18T10:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 181544Z 08006KT 7SM SCT015TCU SCT250 30/26 A3001 RMK 8/208 AC","temp":30,"dewpoint":26,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:45:00.000Z","obsTimeLocal":"2026-10-18T11:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 181645Z 09004KT 7SM SCT015TCU SCT250 31/26 A2998 RMK 8/208 AC","temp":31,"dewpoint":26,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:52:00.000Z","obsTimeLocal":"2026-10-18T12:52:00-05:00","metarType":"METAR","raw":"METAR MMUN 181752Z 11009KT 7SM SCT015TCU SCT250 32/25 A2995 RMK SLP143 57021 901 8/208 AC","temp":32,"dewpoint":25,"humidity":67,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:47:00.000Z","obsTimeLocal":"2026-10-18T13:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 181847Z 08009KT 7SM SCT015TCU SCT250 31/25 A2993 RMK 8/208","temp":31,"dewpoint":25,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:41:00.000Z","obsTimeLocal":"2026-10-18T14:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 181941Z 09010KT 7SM BKN015TCU BKN250 31/26 A2992 RMK 8/208","temp":31,"dewpoint":26,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:42:00.000Z","obsTimeLocal":"2026-10-18T15:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 182042Z 09006KT 7SM BKN015CB BKN250 30/24 A2990 RMK SLP127 57016 901 8/308","temp":30,"dewpoint":24,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:40:00.000Z","obsTimeLocal":"2026-10-18T16:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 182140Z 09006KT 7SM SCT015TCU BKN250 30/26 A2990 RMK 8/208 DSNT CB W SW","temp":30,"dewpoint":26,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:40:00.000Z","obsTimeLocal":"2026-10-18T17:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 182240Z 11006KT 7SM SCT080 BKN250 29/26 A2992 RMK 8/038 CU DSNT CB NW","temp":29,"dewpoint":26,"humidity":84,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:41:00.000Z","obsTimeLocal":"2026-10-18T18:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 182341Z 07005KT 7SM SCT015TCU SCT080 BKN250 29/26 A2994 RMK SLP139 52012 907 8/238","temp":29,"dewpoint":26,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:40:00.000Z","obsTimeLocal":"2026-10-18T19:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 190040Z 07004KT 7SM SCT015TCU SCT250 29/26 A2995 RMK 8/208 AC","temp":29,"dewpoint":26,"humidity":84,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:42:00.000Z","obsTimeLocal":"2026-10-18T20:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 190142Z 00000KT 7SM FEW015TCU SCT250 28/26 A2996 RMK 8/208 DSNT LTG S","temp":28,"dewpoint":26,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:44:00.000Z","obsTimeLocal":"2026-10-18T21:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 190244Z 00000KT 7SM FEW015 SCT250 28/25 A2998 RMK SLP152 52013 953 8/108 DSNT LTG S","temp":28,"dewpoint":25,"humidity":84,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:42:00.000Z","obsTimeLocal":"2026-10-18T22:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 190342Z 00000KT 7SM SCT250 26/25 A2998 RMK 8/008 CU DSNT LTG S","temp":26,"dewpoint":25,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T04:40:00.000Z","obsTimeLocal":"2026-10-18T23:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 190440Z 00000KT 7SM FEW015 25/24 A2997 RMK 8/100 CI","temp":25,"dewpoint":24,"humidity":94,"wind":0,"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/2026-10-18","json":"https://weathermarket.io/api/station/MMUN/2026-10-18","record":"https://weathermarket.io/api/station/MMUN/2026-10-18?format=record","prev":"https://weathermarket.io/station/MMUN/2026-10-17","next":"https://weathermarket.io/station/MMUN/2026-10-19","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=18&year2=2026&month2=10&day2=20&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=18&hora=5&anof=2026&mesf=10&dayf=19&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}