{"station":{"icao":"KIAH","city":{"slug":"houston","name":"Houston","country":"United States"},"timezone":"America/Chicago","lat":29.76,"lon":-95.37,"us":true,"html":"https://weathermarket.io/station/KIAH","json":"https://weathermarket.io/api/station/KIAH","nwsCli":{"html":"https://weathermarket.io/nws-cli/KIAH","json":"https://weathermarket.io/api/nws-cli/KIAH"}},"date":"2026-10-19","window":{"date":"2026-10-19","timezone":"America/Chicago","dayStartUtc":"2026-10-19T05:00:00.000Z","dayEndUtc":"2026-10-20T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":26.7,"tmaxAt":"2026-10-19T18:53:00.000Z","tmin":12.2,"tminAt":"2026-10-19T10:53:00.000Z","tavg":19,"humidityMean":63.3,"windMean":2.3,"windMax":4.6,"windMaxAt":"2026-10-19T22:53:00.000Z","precipObservedCount":0,"nObservations":24,"maxGapMinutes":60,"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":"2026-10-19T18:53:00.000Z","obsTimeLocal":"2026-10-19T13:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191853Z 06007KT 10SM SCT230 27/12 A3020 RMK AO2 SLP228 T02670122","temp":26.7,"dewpoint":12.2,"humidity":41,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-19T10:53:00.000Z","obsTimeLocal":"2026-10-19T05:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191053Z 01004KT 10SM BKN250 12/08 A3023 RMK AO2 SLP236 T01220083 $","temp":12.2,"dewpoint":8.3,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-19T22:53:00.000Z","obsTimeLocal":"2026-10-19T17:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 192253Z 04009KT 10SM BKN250 26/13 A3016 RMK AO2 SLP211 T02560128","temp":25.6,"dewpoint":12.8,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-20T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"fcf680fbe4856396","lastChangedAt":"2026-10-20T04:56:39.467Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAH/2026-10-19?format=record","status":"anchored","sha256":"7c158f5465f1ea006e010724e23e868f92ad66bfba0663e367d4158ccf5f1191","revision":"fcf680fbe4856396","flareTxHash":"0xacc45d354d8f667c8a252ce869df9996e0f2a149cfb793b176701803a3dec4ff","flareBlock":72541134,"anchoredAt":"2026-10-20T08:02:02.562Z","explorer":"https://flare-explorer.flare.network/tx/0xacc45d354d8f667c8a252ce869df9996e0f2a149cfb793b176701803a3dec4ff","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":"2026-10-19T18:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-19T10:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":26.7,"tmin":12.2,"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":{"status":"issued","tmax":27.78,"tmin":11.67,"precip":0,"corrected":false,"issuedAt":"2026-10-20T06:28:00.000Z","html":"https://weathermarket.io/nws-cli/KIAH/2026-10-19","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-19"},"observations":[{"obsTimeUtc":"2026-10-19T05:53:00.000Z","obsTimeLocal":"2026-10-19T00:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 190553Z 01003KT 10SM SCT250 13/08 A3026 RMK AO2 SLP246 T01330083 10183 20117 402390100 58004","temp":13.3,"dewpoint":8.3,"humidity":72,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T06:53:00.000Z","obsTimeLocal":"2026-10-19T01:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 190653Z 00000KT 10SM FEW250 13/09 A3025 RMK AO2 SLP243 T01280094","temp":12.8,"dewpoint":9.4,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T07:53:00.000Z","obsTimeLocal":"2026-10-19T02:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 190753Z 00000KT 10SM FEW250 13/09 A3024 RMK AO2 SLP241 T01330089","temp":13.3,"dewpoint":8.9,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T08:53:00.000Z","obsTimeLocal":"2026-10-19T03:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 190853Z 00000KT 10SM FEW250 13/09 A3023 RMK AO2 SLP235 T01330094 58011","temp":13.3,"dewpoint":9.4,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T09:53:00.000Z","obsTimeLocal":"2026-10-19T04:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 190953Z 00000KT 10SM FEW250 13/09 A3023 RMK AO2 SLP235 T01280089","temp":12.8,"dewpoint":8.9,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T10:53:00.000Z","obsTimeLocal":"2026-10-19T05:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191053Z 01004KT 10SM BKN250 12/08 A3023 RMK AO2 SLP236 T01220083 $","temp":12.2,"dewpoint":8.3,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T11:53:00.000Z","obsTimeLocal":"2026-10-19T06:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191153Z 02005KT 10SM SCT250 12/08 A3024 RMK AO2 SLP238 T01220083 10139 20122 53003 $","temp":12.2,"dewpoint":8.3,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T12:53:00.000Z","obsTimeLocal":"2026-10-19T07:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191253Z 02005KT 10SM SCT250 13/09 A3024 RMK AO2 SLP240 T01280089","temp":12.8,"dewpoint":8.9,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T13:53:00.000Z","obsTimeLocal":"2026-10-19T08:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191353Z 05005KT 10SM BKN250 16/11 A3026 RMK AO2 SLP246 T01560106","temp":15.6,"dewpoint":10.6,"humidity":72,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T14:53:00.000Z","obsTimeLocal":"2026-10-19T09:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191453Z 06006KT 10SM BKN250 20/12 A3027 RMK AO2 SLP250 T02000122 53012","temp":20,"dewpoint":12.2,"humidity":61,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T15:53:00.000Z","obsTimeLocal":"2026-10-19T10:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191553Z 09006KT 10SM SCT250 23/13 A3027 RMK AO2 SLP250 T02280128","temp":22.8,"dewpoint":12.8,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T16:53:00.000Z","obsTimeLocal":"2026-10-19T11:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191653Z 09006KT 10SM FEW250 26/12 A3025 RMK AO2 SLP244 T02560122","temp":25.6,"dewpoint":12.2,"humidity":43,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T17:53:00.000Z","obsTimeLocal":"2026-10-19T12:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191753Z 11006KT 10SM FEW250 26/12 A3024 RMK AO2 SLP238 T02560117 10261 20117 58011","temp":25.6,"dewpoint":11.7,"humidity":42,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T18:53:00.000Z","obsTimeLocal":"2026-10-19T13:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191853Z 06007KT 10SM SCT230 27/12 A3020 RMK AO2 SLP228 T02670122","temp":26.7,"dewpoint":12.2,"humidity":41,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T19:53:00.000Z","obsTimeLocal":"2026-10-19T14:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 191953Z 05005KT 10SM SCT250 26/12 A3018 RMK AO2 SLP218 T02610117","temp":26.1,"dewpoint":11.7,"humidity":41,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T20:53:00.000Z","obsTimeLocal":"2026-10-19T15:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 192053Z VRB03KT 10SM SCT250 27/12 A3016 RMK AO2 SLP214 T02670117 56024","temp":26.7,"dewpoint":11.7,"humidity":39,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T21:53:00.000Z","obsTimeLocal":"2026-10-19T16:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 192153Z 05007KT 10SM BKN250 27/12 A3016 RMK AO2 SLP212 T02670122","temp":26.7,"dewpoint":12.2,"humidity":41,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T22:53:00.000Z","obsTimeLocal":"2026-10-19T17:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 192253Z 04009KT 10SM BKN250 26/13 A3016 RMK AO2 SLP211 T02560128","temp":25.6,"dewpoint":12.8,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T23:53:00.000Z","obsTimeLocal":"2026-10-19T18:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 192353Z 08008KT 10SM BKN250 22/13 A3016 RMK AO2 SLP211 T02220128 10278 20222 56002","temp":22.2,"dewpoint":12.8,"humidity":55,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T00:53:00.000Z","obsTimeLocal":"2026-10-19T19:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 200053Z 08006KT 10SM BKN250 21/13 A3017 RMK AO2 SLP214 T02060133","temp":20.6,"dewpoint":13.3,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T01:53:00.000Z","obsTimeLocal":"2026-10-19T20:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 200153Z 08007KT 10SM BKN250 19/13 A3018 RMK AO2 SLP219 T01940133","temp":19.4,"dewpoint":13.3,"humidity":68,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T02:53:00.000Z","obsTimeLocal":"2026-10-19T21:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 200253Z 12004KT 10SM BKN250 17/13 A3018 RMK AO2 SLP221 T01720133 51009","temp":17.2,"dewpoint":13.3,"humidity":78,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T03:53:00.000Z","obsTimeLocal":"2026-10-19T22:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 200353Z 00000KT 10SM SCT250 17/13 A3019 RMK AO2 SLP221 T01670133","temp":16.7,"dewpoint":13.3,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-20T04:53:00.000Z","obsTimeLocal":"2026-10-19T23:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 200453Z 07003KT 10SM FEW250 16/13 A3019 RMK AO2 SLP222 T01560133","temp":15.6,"dewpoint":13.3,"humidity":86,"wind":1.5,"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). US markets usually settle on the official NWS CLI value instead - see the NWS CLI archive for this station; both values are shown side by side.","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/KIAH/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KIAH/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KIAH for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KIAH/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/KIAH/2026-10-19","json":"https://weathermarket.io/api/station/KIAH/2026-10-19","record":"https://weathermarket.io/api/station/KIAH/2026-10-19?format=record","prev":"https://weathermarket.io/station/KIAH/2026-10-18","next":"https://weathermarket.io/station/KIAH/2026-10-20","station":"https://weathermarket.io/station/KIAH","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=IAH&data=metar&year1=2026&month1=10&day1=19&year2=2026&month2=10&day2=21&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=KIAH&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=19&hora=5&anof=2026&mesf=10&dayf=20&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAH"}}}