{"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":"2026-09-23","window":{"date":"2026-09-23","timezone":"America/Cancun","dayStartUtc":"2026-09-23T05:00:00.000Z","dayEndUtc":"2026-09-24T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":29,"tmaxAt":"2026-09-23T22:45:00.000Z","tmin":26,"tminAt":"2026-09-24T03:40:00.000Z","tavg":27.3,"humidityMean":92.4,"windMean":0.9,"windMax":2.6,"windMaxAt":"2026-09-23T22:45:00.000Z","precipObservedCount":1,"nObservations":8,"maxGapMinutes":1065,"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":"2026-09-23T22:45:00.000Z","obsTimeLocal":"2026-09-23T17:45:00-05:00","metarType":null,"raw":"METAR MMUN 232245Z 14005KT 7SM FEW015TCU SCT090 BKN250 29/25 A2989 RMK 8/268 DSNT CB E","temp":29,"dewpoint":25,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-24T03:40:00.000Z","obsTimeLocal":"2026-09-23T22:40:00-05:00","metarType":null,"raw":"METAR MMUN 240340Z 00000KT 7SM BKN080 BKN250 26/26 A2995 RMK 8/038","temp":26,"dewpoint":26,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-23T22:45:00.000Z","obsTimeLocal":"2026-09-23T17:45:00-05:00","metarType":null,"raw":"METAR MMUN 232245Z 14005KT 7SM FEW015TCU SCT090 BKN250 29/25 A2989 RMK 8/268 DSNT CB E","temp":29,"dewpoint":25,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-24T08:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":1065,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 1065 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"002e7e5b55f6c922","lastChangedAt":"2026-09-24T05:05:12.887Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMUN/2026-09-23?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":8,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-23T22:45:00.000Z","flag":"good","reasons":["step_not_tested: no previous valid report in context"]},"tmin":{"obsTimeUtc":"2026-09-24T03:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":29,"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":"2026-09-23T22:45:00.000Z","obsTimeLocal":"2026-09-23T17:45:00-05:00","metarType":null,"raw":"METAR MMUN 232245Z 14005KT 7SM FEW015TCU SCT090 BKN250 29/25 A2989 RMK 8/268 DSNT CB E","temp":29,"dewpoint":25,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-23T23:40:00.000Z","obsTimeLocal":"2026-09-23T18:40:00-05:00","metarType":null,"raw":"METAR MMUN 232340Z 00000KT 7SM SCT015TCU SCT080 BKN250 28/26 A2990 RMK SLP128 52007 919 8/238 OCNL -RA","temp":28,"dewpoint":26,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T00:43:00.000Z","obsTimeLocal":"2026-09-23T19:43:00-05:00","metarType":null,"raw":"METAR MMUN 240043Z 15004KT 7SM SCT015TCU SCT080 BKN250 27/26 A2991 RMK 8/238 OCNL LTGIC E","temp":27,"dewpoint":26,"humidity":94,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T01:11:00.000Z","obsTimeLocal":"2026-09-23T20:11:00-05:00","metarType":null,"raw":"METAR MMUN 240111Z 15004KT 6SM -RA SCT015CB BKN250 28/26 A2992 RMK 8/308 AC RAB05","temp":28,"dewpoint":26,"humidity":89,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T01:52:00.000Z","obsTimeLocal":"2026-09-23T20:52:00-05:00","metarType":null,"raw":"METAR MMUN 240152Z 00000KT 7SM FEW015TCU SCT080 BKN250 27/26 A2993 RMK 60065 8/238 RAE44 OCNL DROPS","temp":27,"dewpoint":26,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T02:40:00.000Z","obsTimeLocal":"2026-09-23T21:40:00-05:00","metarType":null,"raw":"METAR MMUN 240240Z 00000KT 7SM FEW015TCU SCT080 BKN250 27/26 A2994 RMK SLP142 52014 913 8/238","temp":27,"dewpoint":26,"humidity":94,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T03:40:00.000Z","obsTimeLocal":"2026-09-23T22:40:00-05:00","metarType":null,"raw":"METAR MMUN 240340Z 00000KT 7SM BKN080 BKN250 26/26 A2995 RMK 8/038","temp":26,"dewpoint":26,"humidity":100,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T04:41:00.000Z","obsTimeLocal":"2026-09-23T23:41:00-05:00","metarType":null,"raw":"METAR MMUN 240441Z 00000KT 7SM BKN080 BKN250 26/26 A2994 RMK 8/031","temp":26,"dewpoint":26,"humidity":100,"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/2026-09-23","json":"https://weathermarket.io/api/station/MMUN/2026-09-23","record":"https://weathermarket.io/api/station/MMUN/2026-09-23?format=record","prev":"https://weathermarket.io/station/MMUN/2026-09-22","next":"https://weathermarket.io/station/MMUN/2026-09-24","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=23&year2=2026&month2=9&day2=25&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=23&hora=5&anof=2026&mesf=9&dayf=24&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMUN"}}}