{"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":"2026-10-23","window":{"date":"2026-10-23","timezone":"America/Chicago","dayStartUtc":"2026-10-23T05:00:00.000Z","dayEndUtc":"2026-10-24T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":30.6,"tmaxAt":"2026-10-23T20:53:00.000Z","tmin":13.3,"tminAt":"2026-10-23T10:53:00.000Z","tavg":21.4,"humidityMean":52.1,"windMean":1.6,"windMax":3.6,"windMaxAt":"2026-10-23T18:53:00.000Z","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":"2026-10-23T20:53:00.000Z","obsTimeLocal":"2026-10-23T15:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 232053Z VRB03KT 10SM FEW250 31/07 A3007 RMK AO2 SLP183 T03060067 56022","temp":30.6,"dewpoint":6.7,"humidity":22,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-23T10:53:00.000Z","obsTimeLocal":"2026-10-23T05:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231053Z 00000KT 10SM CLR 13/11 A3012 RMK AO2 SLP199 T01330111","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-23T18:53:00.000Z","obsTimeLocal":"2026-10-23T13:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231853Z 14007KT 10SM FEW250 30/06 A3011 RMK AO2 SLP195 T03000056","temp":30,"dewpoint":5.6,"humidity":21,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-24T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"8b28ee8f5ddb11f2","lastChangedAt":"2026-10-24T04:56:38.495Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAH/2026-10-23?format=record","status":"anchored","sha256":"7cbcff0a906e1ad418c653cf87fc3451d115e5e9f17bbdc267cfbb9dbc983e00","revision":"8b28ee8f5ddb11f2","flareTxHash":"0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","flareBlock":73860312,"anchoredAt":"2026-11-06T05:01:27.405Z","explorer":"https://flare-explorer.flare.network/tx/0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","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":"2026-10-23T20:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-23T10:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":30.6,"tmin":13.3,"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":30.56,"tmin":12.78,"precip":0,"corrected":false,"issuedAt":"2026-10-24T07:09:00.000Z","html":"https://weathermarket.io/nws-cli/KIAH/2026-10-23","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-23"},"observations":[{"obsTimeUtc":"2026-10-23T05:53:00.000Z","obsTimeLocal":"2026-10-23T00:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 230553Z 00000KT 10SM CLR 16/12 A3012 RMK AO2 SLP199 T01610117 10239 20161 403060139 58002","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T06:53:00.000Z","obsTimeLocal":"2026-10-23T01:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 230653Z 01003KT 10SM CLR 16/12 A3012 RMK AO2 SLP199 T01610117","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T07:53:00.000Z","obsTimeLocal":"2026-10-23T02:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 230753Z 00000KT 10SM CLR 16/12 A3013 RMK AO2 SLP201 T01610117","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T08:53:00.000Z","obsTimeLocal":"2026-10-23T03:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 230853Z 00000KT 10SM CLR 15/11 A3012 RMK AO2 SLP199 T01500111 50001","temp":15,"dewpoint":11.1,"humidity":78,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T09:53:00.000Z","obsTimeLocal":"2026-10-23T04:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 230953Z 00000KT 10SM CLR 15/11 A3012 RMK AO2 SLP198 T01500106","temp":15,"dewpoint":10.6,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T10:53:00.000Z","obsTimeLocal":"2026-10-23T05:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231053Z 00000KT 10SM CLR 13/11 A3012 RMK AO2 SLP199 T01330111","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T11:53:00.000Z","obsTimeLocal":"2026-10-23T06:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231153Z 00000KT 10SM CLR 13/11 A3013 RMK AO2 SLP201 T01330106 10167 20133 53001 $","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T12:53:00.000Z","obsTimeLocal":"2026-10-23T07:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231253Z 00000KT 10SM CLR 14/11 A3014 RMK AO2 SLP205 T01390106","temp":13.9,"dewpoint":10.6,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T13:53:00.000Z","obsTimeLocal":"2026-10-23T08:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231353Z 36003KT 10SM CLR 18/11 A3016 RMK AO2 SLP212 T01830111","temp":18.3,"dewpoint":11.1,"humidity":63,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T14:53:00.000Z","obsTimeLocal":"2026-10-23T09:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231453Z 05005KT 10SM CLR 22/10 A3017 RMK AO2 SLP215 T02220100 51014","temp":22.2,"dewpoint":10,"humidity":46,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T15:53:00.000Z","obsTimeLocal":"2026-10-23T10:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231553Z 35004KT 10SM CLR 25/09 A3017 RMK AO2 SLP215 T02500094","temp":25,"dewpoint":9.4,"humidity":37,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T16:53:00.000Z","obsTimeLocal":"2026-10-23T11:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231653Z 04004KT 10SM CLR 28/08 A3016 RMK AO2 SLP213 T02780083","temp":27.8,"dewpoint":8.3,"humidity":29,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T17:53:00.000Z","obsTimeLocal":"2026-10-23T12:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231753Z 12004KT 10SM CLR 29/08 A3014 RMK AO2 SLP206 T02890078 10294 20128 58009","temp":28.9,"dewpoint":7.8,"humidity":27,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T18:53:00.000Z","obsTimeLocal":"2026-10-23T13:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231853Z 14007KT 10SM FEW250 30/06 A3011 RMK AO2 SLP195 T03000056","temp":30,"dewpoint":5.6,"humidity":21,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T19:53:00.000Z","obsTimeLocal":"2026-10-23T14:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 231953Z 16004KT 10SM FEW250 29/07 A3008 RMK AO2 SLP187 T02940067","temp":29.4,"dewpoint":6.7,"humidity":24,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T20:53:00.000Z","obsTimeLocal":"2026-10-23T15:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 232053Z VRB03KT 10SM FEW250 31/07 A3007 RMK AO2 SLP183 T03060067 56022","temp":30.6,"dewpoint":6.7,"humidity":22,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T21:53:00.000Z","obsTimeLocal":"2026-10-23T16:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 232153Z 11005KT 10SM FEW250 30/07 A3007 RMK AO2 SLP182 T03000072","temp":30,"dewpoint":7.2,"humidity":24,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T22:53:00.000Z","obsTimeLocal":"2026-10-23T17:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 232253Z 14007KT 10SM FEW250 28/07 A3007 RMK AO2 SLP183 T02830072","temp":28.3,"dewpoint":7.2,"humidity":26,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T23:53:00.000Z","obsTimeLocal":"2026-10-23T18:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 232353Z 17004KT 10SM FEW250 24/08 A3008 RMK AO2 SLP185 T02390083 10306 20239 53002 $","temp":23.9,"dewpoint":8.3,"humidity":37,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T00:53:00.000Z","obsTimeLocal":"2026-10-23T19:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 240053Z 15005KT 10SM CLR 22/08 A3010 RMK AO2 SLP191 T02220083 $","temp":22.2,"dewpoint":8.3,"humidity":41,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T01:53:00.000Z","obsTimeLocal":"2026-10-23T20:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 240153Z 16005KT 10SM CLR 21/09 A3011 RMK AO2 SLP197 T02110094 $","temp":21.1,"dewpoint":9.4,"humidity":47,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T02:53:00.000Z","obsTimeLocal":"2026-10-23T21:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 240253Z 18004KT 10SM CLR 19/10 A3013 RMK AO2 SLP203 T01940100 51017 $","temp":19.4,"dewpoint":10,"humidity":55,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T03:53:00.000Z","obsTimeLocal":"2026-10-23T22:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 240353Z 19004KT 10SM CLR 18/11 A3015 RMK AO2 SLP209 T01830106 $","temp":18.3,"dewpoint":10.6,"humidity":61,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T04:53:00.000Z","obsTimeLocal":"2026-10-23T23:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 240453Z 19005KT 10SM CLR 19/11 A3015 RMK AO2 SLP209 T01890111 $","temp":18.9,"dewpoint":11.1,"humidity":61,"wind":2.6,"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). 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/2026-10-23","json":"https://weathermarket.io/api/station/KIAH/2026-10-23","record":"https://weathermarket.io/api/station/KIAH/2026-10-23?format=record","prev":"https://weathermarket.io/station/KIAH/2026-10-22","next":"https://weathermarket.io/station/KIAH/2026-10-24","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=23&year2=2026&month2=10&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=KIAH&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=23&hora=5&anof=2026&mesf=10&dayf=24&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAH"}}}