{"station":{"icao":"MMMX","city":{"slug":"mexico-city","name":"Mexico City","country":"Mexico"},"timezone":"America/Mexico_City","lat":19.43,"lon":-99.13,"us":false,"html":"https://weathermarket.io/station/MMMX","json":"https://weathermarket.io/api/station/MMMX","nwsCli":null},"date":"2026-09-23","window":{"date":"2026-09-23","timezone":"America/Mexico_City","dayStartUtc":"2026-09-23T06:00:00.000Z","dayEndUtc":"2026-09-24T06:00:00.000Z","utcOffsetStart":"-06:00","utcOffsetEnd":"-06:00","hours":24},"complete":true,"values":{"tmax":22,"tmaxAt":"2026-09-23T23:29:00.000Z","tmin":17,"tminAt":"2026-09-24T05:44:00.000Z","tavg":19.8,"humidityMean":55.9,"windMean":3.8,"windMax":5.1,"windMaxAt":"2026-09-23T23:48:00.000Z","precipObservedCount":0,"nObservations":9,"maxGapMinutes":1049,"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":"2026-09-23T23:29:00.000Z","obsTimeLocal":"2026-09-23T17:29:00-06:00","metarType":null,"raw":"SPECI MMMX 232329Z 16007KT 7SM SCT020CB BKN080 BKN220 22/10 A3022 NOSIG RMK 8/368 HZY","temp":22,"dewpoint":10,"humidity":46,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-24T05:44:00.000Z","obsTimeLocal":"2026-09-23T23:44:00-06:00","metarType":null,"raw":"METAR MMMX 240544Z 27007KT 10SM FEW020 17/11 A3032 NOSIG RMK SLP108 52007 909 8/500 HZY","temp":17,"dewpoint":11,"humidity":68,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-23T23:48:00.000Z","obsTimeLocal":"2026-09-23T17:48:00-06:00","metarType":null,"raw":"METAR MMMX 232348Z 14010KT 8SM SCT020CB BKN080 BKN220 22/10 A3022 NOSIG RMK SLP075 57002 915 8/368 HZY","temp":22,"dewpoint":10,"humidity":46,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-24T09:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":1049,"normalIntervalMin":56,"thresholdMinutes":86},"reasons":["coverage_gap: longest stretch without a report was 1049 min, above 86 min (station normal interval 56 + 30)"],"holdHours":3},"revision":"eff895500569ed3b","lastChangedAt":"2026-09-24T06:00:15.047Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/MMMX/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":9,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-23T23:29:00.000Z","flag":"good","reasons":["step_not_tested: no previous valid report in context"]},"tmin":{"obsTimeUtc":"2026-09-24T05:44:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":22,"tmin":17,"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":"2026-09-23T23:29:00.000Z","obsTimeLocal":"2026-09-23T17:29:00-06:00","metarType":null,"raw":"SPECI MMMX 232329Z 16007KT 7SM SCT020CB BKN080 BKN220 22/10 A3022 NOSIG RMK 8/368 HZY","temp":22,"dewpoint":10,"humidity":46,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-23T23:48:00.000Z","obsTimeLocal":"2026-09-23T17:48:00-06:00","metarType":null,"raw":"METAR MMMX 232348Z 14010KT 8SM SCT020CB BKN080 BKN220 22/10 A3022 NOSIG RMK SLP075 57002 915 8/368 HZY","temp":22,"dewpoint":10,"humidity":46,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T00:45:00.000Z","obsTimeLocal":"2026-09-23T18:45:00-06:00","metarType":null,"raw":"METAR MMMX 240045Z 14006KT 8SM SCT020 BKN080 BKN220 22/10 A3024 NOSIG RMK 8/468 HZY","temp":22,"dewpoint":10,"humidity":46,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T01:46:00.000Z","obsTimeLocal":"2026-09-23T19:46:00-06:00","metarType":null,"raw":"METAR MMMX 240146Z 16006KT 8SM SCT020 BKN080 BKN220 21/10 A3027 NOSIG RMK 8/438 HZY","temp":21,"dewpoint":10,"humidity":49,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T02:40:00.000Z","obsTimeLocal":"2026-09-23T20:40:00-06:00","metarType":null,"raw":"SPECI MMMX 240240Z 25008KT 10SM FEW020 SCT080 BKN220 19/11 A3030 NOSIG RMK 8/438 HZY","temp":19,"dewpoint":11,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T02:46:00.000Z","obsTimeLocal":"2026-09-23T20:46:00-06:00","metarType":null,"raw":"METAR MMMX 240246Z 25008KT 10SM FEW020 SCT080 BKN220 19/11 A3030 NOSIG RMK SLP103 52022 914 8/438 HZY","temp":19,"dewpoint":11,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T03:44:00.000Z","obsTimeLocal":"2026-09-23T21:44:00-06:00","metarType":null,"raw":"METAR MMMX 240344Z 29008KT 10SM FEW020 18/11 A3033 NOSIG RMK 8/500 HZY ISOL AC","temp":18,"dewpoint":11,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T04:41:00.000Z","obsTimeLocal":"2026-09-23T22:41:00-06:00","metarType":null,"raw":"METAR MMMX 240441Z 28007KT 10SM FEW020 18/11 A3032 NOSIG RMK 8/500 HZY","temp":18,"dewpoint":11,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T05:44:00.000Z","obsTimeLocal":"2026-09-23T23:44:00-06:00","metarType":null,"raw":"METAR MMMX 240544Z 27007KT 10SM FEW020 17/11 A3032 NOSIG RMK SLP108 52007 909 8/500 HZY","temp":17,"dewpoint":11,"humidity":68,"wind":3.6,"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/MMMX/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/MMMX/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for MMMX for the contract date (station-local calendar day), as published at https://weathermarket.io/station/MMMX/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/MMMX/2026-09-23","json":"https://weathermarket.io/api/station/MMMX/2026-09-23","record":"https://weathermarket.io/api/station/MMMX/2026-09-23?format=record","prev":"https://weathermarket.io/station/MMMX/2026-09-22","next":"https://weathermarket.io/station/MMMX/2026-09-24","station":"https://weathermarket.io/station/MMMX","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=MMMX&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=MMMX&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=9&day=23&hora=6&anof=2026&mesf=9&dayf=24&horaf=5&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=MMMX"}}}