{"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":"2026-10-20","window":{"date":"2026-10-20","timezone":"America/Cancun","dayStartUtc":"2026-10-20T05:00:00.000Z","dayEndUtc":"2026-10-21T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":31,"tmaxAt":"2026-10-20T16:41:00.000Z","tmin":27,"tminAt":"2026-10-20T05:42:00.000Z","tavg":28.8,"humidityMean":79.4,"windMean":2.8,"windMax":5.1,"windMaxAt":"2026-10-20T16:41:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":71,"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":"2026-10-20T16:41:00.000Z","obsTimeLocal":"2026-10-20T11:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 201641Z 10010KT 6SM SCT015 31/25 A2997 RMK 8/100 CI HZ","temp":31,"dewpoint":25,"humidity":70,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-20T05:42:00.000Z","obsTimeLocal":"2026-10-20T00:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 200542Z 00000KT 7SM FEW015TCU SCT080 27/25 A2994 RMK SLP140 57001 957 8/260","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-20T16:41:00.000Z","obsTimeLocal":"2026-10-20T11:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 201641Z 10010KT 6SM SCT015 31/25 A2997 RMK 8/100 CI HZ","temp":31,"dewpoint":25,"humidity":70,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-21T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":71,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"f85b064f81ff50c1","lastChangedAt":"2026-10-21T05:00:38.369Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-10-20?format=record","status":"anchored","sha256":"adb325db8cfa43eb559cf33017d698dd61fc51dbc5413d864175fa087987ea6c","revision":"f85b064f81ff50c1","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":"2026-10-20T16:41:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-20T05:42:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":31,"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":"2026-10-20T05:42:00.000Z","obsTimeLocal":"2026-10-20T00:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 200542Z 00000KT 7SM FEW015TCU SCT080 27/25 A2994 RMK SLP140 57001 957 8/260","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T06:40:00.000Z","obsTimeLocal":"2026-10-20T01:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 200640Z 00000KT 7SM FEW015TCU SCT080 27/25 A2991 RMK 8/260","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T07:41:00.000Z","obsTimeLocal":"2026-10-20T02:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 200741Z 00000KT 7SM FEW015 FEW080 27/26 A2990 RMK 8/130","temp":27,"dewpoint":26,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T08:41:00.000Z","obsTimeLocal":"2026-10-20T03:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 200841Z 06003KT 7SM FEW015 FEW080 27/26 A2989 RMK SLP123 57017 961 8/130","temp":27,"dewpoint":26,"humidity":94,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T09:41:00.000Z","obsTimeLocal":"2026-10-20T04:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 200941Z 09004KT 7SM SCT015TCU 28/26 A2989 RMK 8/200","temp":28,"dewpoint":26,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T10:40:00.000Z","obsTimeLocal":"2026-10-20T05:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 201040Z 07004KT 7SM SCT015TCU 28/26 A2990 RMK 8/200","temp":28,"dewpoint":26,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T11:40:00.000Z","obsTimeLocal":"2026-10-20T06:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 201140Z 08007KT 7SM FEW015TCU SCT080 SCT250 28/25 A2991 RMK SLP130 52007 958 8/239","temp":28,"dewpoint":25,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T12:51:00.000Z","obsTimeLocal":"2026-10-20T07:51:00-05:00","metarType":"METAR","raw":"METAR MMUN 201251Z 09008KT 7SM SCT015 29/25 A2994 RMK 8/100 AC","temp":29,"dewpoint":25,"humidity":79,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T13:49:00.000Z","obsTimeLocal":"2026-10-20T08:49:00-05:00","metarType":"METAR","raw":"METAR MMUN 201349Z 09007KT 7SM SCT015 29/26 A2997 RMK 8/100","temp":29,"dewpoint":26,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T14:51:00.000Z","obsTimeLocal":"2026-10-20T09:51:00-05:00","metarType":"METAR","raw":"METAR MMUN 201451Z 10007KT 7SM SCT015 SCT100 30/25 A2998 RMK SLP152 52022 953 8/130 CI","temp":30,"dewpoint":25,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T15:40:00.000Z","obsTimeLocal":"2026-10-20T10:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 201540Z 12006KT 7SM SCT015 30/26 A2998 RMK 8/100 AC CI","temp":30,"dewpoint":26,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T16:41:00.000Z","obsTimeLocal":"2026-10-20T11:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 201641Z 10010KT 6SM SCT015 31/25 A2997 RMK 8/100 CI HZ","temp":31,"dewpoint":25,"humidity":70,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T17:46:00.000Z","obsTimeLocal":"2026-10-20T12:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 201746Z 10009KT 7SM BKN015 31/25 A2995 RMK SLP143 57009 902 8/100 MDT CU CI","temp":31,"dewpoint":25,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T18:47:00.000Z","obsTimeLocal":"2026-10-20T13:47:00-05:00","metarType":"METAR","raw":"METAR MMUN 201847Z 10006KT 7SM BKN015 30/25 A2992 RMK 8/100 CI","temp":30,"dewpoint":25,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T19:45:00.000Z","obsTimeLocal":"2026-10-20T14:45:00-05:00","metarType":"METAR","raw":"METAR MMUN 201945Z 08010KT 7SM SCT015 BKN250 31/24 A2991 RMK 8/102","temp":31,"dewpoint":24,"humidity":66,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T20:41:00.000Z","obsTimeLocal":"2026-10-20T15:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 202041Z 08008KT 7SM SCT015 BKN250 30/24 A2991 RMK SLP131 57012 907 8/108","temp":30,"dewpoint":24,"humidity":70,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T21:41:00.000Z","obsTimeLocal":"2026-10-20T16:41:00-05:00","metarType":"METAR","raw":"METAR MMUN 202141Z 07008KT 7SM SCT015 BKN250 30/24 A2991 RMK 8/108","temp":30,"dewpoint":24,"humidity":70,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T22:43:00.000Z","obsTimeLocal":"2026-10-20T17:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 202243Z 07006KT 7SM FEW015 SCT250 29/23 A2991 RMK 8/108","temp":29,"dewpoint":23,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T23:46:00.000Z","obsTimeLocal":"2026-10-20T18:46:00-05:00","metarType":"METAR","raw":"METAR MMUN 202346Z 07004KT 7SM FEW015 SCT250 28/24 A2992 RMK SLP134 52003 908 8/108","temp":28,"dewpoint":24,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T00:42:00.000Z","obsTimeLocal":"2026-10-20T19:42:00-05:00","metarType":"METAR","raw":"METAR MMUN 210042Z 07004KT 7SM FEW015TCU SCT250 28/24 A2994 RMK 8/208","temp":28,"dewpoint":24,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T01:48:00.000Z","obsTimeLocal":"2026-10-20T20:48:00-05:00","metarType":"METAR","raw":"METAR MMUN 210148Z 04004KT 7SM SCT015TCU 28/24 A2996 RMK 8/200 CI","temp":28,"dewpoint":24,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T02:44:00.000Z","obsTimeLocal":"2026-10-20T21:44:00-05:00","metarType":"METAR","raw":"METAR MMUN 210244Z 06007KT 7SM FEW015TCU SCT080 28/24 A2996 RMK SLP148 52014 907 8/230 CI","temp":28,"dewpoint":24,"humidity":79,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T03:43:00.000Z","obsTimeLocal":"2026-10-20T22:43:00-05:00","metarType":"METAR","raw":"METAR MMUN 210343Z 06004KT 7SM FEW015 SCT080 28/23 A2996 RMK 8/130 CI MDT CU","temp":28,"dewpoint":23,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-21T04:40:00.000Z","obsTimeLocal":"2026-10-20T23:40:00-05:00","metarType":"METAR","raw":"METAR MMUN 210440Z 11006KT 7SM FEW015 BKN250 28/24 A2996 RMK 8/108 AC","temp":28,"dewpoint":24,"humidity":79,"wind":3.1,"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/2026-10-20","json":"https://weathermarket.io/api/station/MMUN/2026-10-20","record":"https://weathermarket.io/api/station/MMUN/2026-10-20?format=record","prev":"https://weathermarket.io/station/MMUN/2026-10-19","next":"https://weathermarket.io/station/MMUN/2026-10-21","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=20&year2=2026&month2=10&day2=22&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=20&hora=5&anof=2026&mesf=10&dayf=21&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}