{"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":"2026-09-25","window":{"date":"2026-09-25","timezone":"America/Cancun","dayStartUtc":"2026-09-25T05:00:00.000Z","dayEndUtc":"2026-09-26T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":32,"tmaxAt":"2026-09-25T15:42:00.000Z","tmin":25,"tminAt":"2026-09-25T08:40:00.000Z","tavg":28.5,"humidityMean":81,"windMean":1.8,"windMax":5.1,"windMaxAt":"2026-09-25T18:49:00.000Z","precipObservedCount":0,"nObservations":23,"maxGapMinutes":123,"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":"2026-09-25T15:42:00.000Z","obsTimeLocal":"2026-09-25T10:42:00-05:00","metarType":null,"raw":"METAR MMUN 251542Z 12007KT 7SM FEW015TCU SCT250 32/25 A2998 RMK 8/208","temp":32,"dewpoint":25,"humidity":67,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-25T08:40:00.000Z","obsTimeLocal":"2026-09-25T03:40:00-05:00","metarType":null,"raw":"METAR MMUN 250840Z 01002KT 7SM FEW015 BKN080 OVC250 25/24 A2990 RMK SLP127 57011 904 8/132","temp":25,"dewpoint":24,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-25T18:49:00.000Z","obsTimeLocal":"2026-09-25T13:49:00-05:00","metarType":null,"raw":"METAR MMUN 251849Z 15010KT 7SM FEW015CB SCT080 SCT250 32/25 A2992 RMK 8/338 VC RA NW","temp":32,"dewpoint":25,"humidity":67,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-26T08:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":123,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 123 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"cbd42091608d8eed","lastChangedAt":"2026-09-26T05:00:12.903Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-09-25?format=record","status":"pending_anchor","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"Final - the next hourly run writes this record's hash to SnapshotAnchor on Flare"},"qc":{"summary":{"good":23,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-25T15:42:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-25T08:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":32,"tmin":25,"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":"2026-09-25T05:40:00.000Z","obsTimeLocal":"2026-09-25T00:40:00-05:00","metarType":null,"raw":"METAR MMUN 250540Z 00000KT 7SM FEW015 BKN080 BKN250 27/25 A2993 RMK SLP138 57004 901 8/532","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T06:40:00.000Z","obsTimeLocal":"2026-09-25T01:40:00-05:00","metarType":null,"raw":"METAR MMUN 250640Z 00000KT 7SM FEW015 BKN080 OVC250 26/25 A2992 RMK 8/532","temp":26,"dewpoint":25,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T07:40:00.000Z","obsTimeLocal":"2026-09-25T02:40:00-05:00","metarType":null,"raw":"METAR MMUN 250740Z 00000KT 7SM SCT015 BKN080 OVC250 26/24 A2991 RMK 8/132","temp":26,"dewpoint":24,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T08:40:00.000Z","obsTimeLocal":"2026-09-25T03:40:00-05:00","metarType":null,"raw":"METAR MMUN 250840Z 01002KT 7SM FEW015 BKN080 OVC250 25/24 A2990 RMK SLP127 57011 904 8/132","temp":25,"dewpoint":24,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T09:41:00.000Z","obsTimeLocal":"2026-09-25T04:41:00-05:00","metarType":null,"raw":"METAR MMUN 250941Z 32002KT 7SM FEW015 BKN080 OVC250 25/24 A2991 RMK 8/132","temp":25,"dewpoint":24,"humidity":94,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T10:40:00.000Z","obsTimeLocal":"2026-09-25T05:40:00-05:00","metarType":null,"raw":"METAR MMUN 251040Z 00000KT 7SM SCT080 BKN250 25/24 A2991 RMK 8/032 SC","temp":25,"dewpoint":24,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T11:43:00.000Z","obsTimeLocal":"2026-09-25T06:43:00-05:00","metarType":null,"raw":"METAR MMUN 251143Z 00000KT 7SM FEW080 SCT250 25/24 A2993 RMK SLP136 52009 911 8/032 SC DSNT TCU S","temp":25,"dewpoint":24,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T12:45:00.000Z","obsTimeLocal":"2026-09-25T07:45:00-05:00","metarType":null,"raw":"METAR MMUN 251245Z 00000KT 7SM FEW080 SCT250 27/25 A2995 RMK 8/032 SC DSNT CB S","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T14:48:00.000Z","obsTimeLocal":"2026-09-25T09:48:00-05:00","metarType":null,"raw":"METAR MMUN 251448Z 13008KT 7SM FEW015TCU BKN250 31/24 A2997 RMK SLP150 52014 907 8/208 AC","temp":31,"dewpoint":24,"humidity":66,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T15:42:00.000Z","obsTimeLocal":"2026-09-25T10:42:00-05:00","metarType":null,"raw":"METAR MMUN 251542Z 12007KT 7SM FEW015TCU SCT250 32/25 A2998 RMK 8/208","temp":32,"dewpoint":25,"humidity":67,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T16:45:00.000Z","obsTimeLocal":"2026-09-25T11:45:00-05:00","metarType":null,"raw":"METAR MMUN 251645Z 13008KT 7SM FEW015TCU SCT250 32/24 A2997 RMK 8/205 DSNT CB S","temp":32,"dewpoint":24,"humidity":63,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T17:49:00.000Z","obsTimeLocal":"2026-09-25T12:49:00-05:00","metarType":null,"raw":"METAR MMUN 251749Z 15008KT 7SM FEW015CB SCT080 SCT250 32/25 A2995 RMK SLP144 57006 909 8/335","temp":32,"dewpoint":25,"humidity":67,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T18:49:00.000Z","obsTimeLocal":"2026-09-25T13:49:00-05:00","metarType":null,"raw":"METAR MMUN 251849Z 15010KT 7SM FEW015CB SCT080 SCT250 32/25 A2992 RMK 8/338 VC RA NW","temp":32,"dewpoint":25,"humidity":67,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T19:43:00.000Z","obsTimeLocal":"2026-09-25T14:43:00-05:00","metarType":null,"raw":"METAR MMUN 251943Z 12010KT 7SM SCT015CB SCT250 32/25 A2991 RMK 8/308 AC","temp":32,"dewpoint":25,"humidity":67,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T20:40:00.000Z","obsTimeLocal":"2026-09-25T15:40:00-05:00","metarType":null,"raw":"METAR MMUN 252040Z 13006KT 7SM SCT015CB BKN100 30/25 A2990 RMK SLP129 57015 910 8/360 CI PCPN W NW","temp":30,"dewpoint":25,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T21:41:00.000Z","obsTimeLocal":"2026-09-25T16:41:00-05:00","metarType":null,"raw":"METAR MMUN 252141Z 08006KT 7SM SCT015 BKN100 30/25 A2990 RMK 8/460 CI","temp":30,"dewpoint":25,"humidity":75,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T22:41:00.000Z","obsTimeLocal":"2026-09-25T17:41:00-05:00","metarType":null,"raw":"METAR MMUN 252241Z 10005KT 7SM FEW015 SCT100 SCT250 30/25 A2990 RMK 8/438","temp":30,"dewpoint":25,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T23:40:00.000Z","obsTimeLocal":"2026-09-25T18:40:00-05:00","metarType":null,"raw":"METAR MMUN 252340Z 10004KT 7SM FEW015 SCT100 SCT250 30/25 A2990 RMK SLP127 57002 905 8/138","temp":30,"dewpoint":25,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-26T00:40:00.000Z","obsTimeLocal":"2026-09-25T19:40:00-05:00","metarType":null,"raw":"METAR MMUN 260040Z 11004KT 7SM FEW100 SCT250 29/25 A2991 RMK 8/038 CU","temp":29,"dewpoint":25,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-26T01:40:00.000Z","obsTimeLocal":"2026-09-25T20:40:00-05:00","metarType":null,"raw":"METAR MMUN 260140Z 00000KT 7SM SCT250 28/25 A2993 RMK 8/008 AC","temp":28,"dewpoint":25,"humidity":84,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-26T02:40:00.000Z","obsTimeLocal":"2026-09-25T21:40:00-05:00","metarType":null,"raw":"METAR MMUN 260240Z 10002KT 7SM FEW080 SCT250 28/25 A2995 RMK SLP144 52017 902 8/038","temp":28,"dewpoint":25,"humidity":84,"wind":1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-26T03:43:00.000Z","obsTimeLocal":"2026-09-25T22:43:00-05:00","metarType":null,"raw":"METAR MMUN 260343Z 00000KT 7SM FEW015 27/25 A2996 RMK 8/100 ISOL AC","temp":27,"dewpoint":25,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-26T04:40:00.000Z","obsTimeLocal":"2026-09-25T23:40:00-05:00","metarType":null,"raw":"METAR MMUN 260440Z 00000KT 7SM SKC 26/25 A2995","temp":26,"dewpoint":25,"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/2026-09-25","json":"https://weathermarket.io/api/station/MMUN/2026-09-25","record":"https://weathermarket.io/api/station/MMUN/2026-09-25?format=record","prev":"https://weathermarket.io/station/MMUN/2026-09-24","next":"https://weathermarket.io/station/MMUN/2026-09-26","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=25&year2=2026&month2=9&day2=27&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=25&hora=5&anof=2026&mesf=9&dayf=26&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}