{"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":"2026-10-12","window":{"date":"2026-10-12","timezone":"America/Chicago","dayStartUtc":"2026-10-12T05:00:00.000Z","dayEndUtc":"2026-10-13T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":31.7,"tmaxAt":"2026-10-12T19:53:00.000Z","tmin":21.7,"tminAt":"2026-10-12T06:53:00.000Z","tavg":26.1,"humidityMean":85.8,"windMean":3.6,"windMax":9.8,"windMaxAt":"2026-10-12T20:53:00.000Z","precipObservedCount":2,"nObservations":23,"maxGapMinutes":120,"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":"2026-10-12T19:53:00.000Z","obsTimeLocal":"2026-10-12T14:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121953Z 11014G22KT 10SM FEW026 BKN035 OVC055 32/24 A2998 RMK AO2 RAB42E52 SLP150 LTG DSNT SE AND SW CB DSNT SE AND SW MOVG N P0000 T03170244","temp":31.7,"dewpoint":24.4,"humidity":65,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-12T06:53:00.000Z","obsTimeLocal":"2026-10-12T01:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120653Z 00000KT 10SM OVC220 22/21 A3004 RMK AO2 SLP170 T02170206","temp":21.7,"dewpoint":20.6,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-12T20:53:00.000Z","obsTimeLocal":"2026-10-12T15:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 122053Z COR 13019G23KT 10SM -RA SCT026 BKN045 BKN070 30/25 A2996 RMK AO2 RAB52 SLP146 CB DSNT NE-E SW MOV N P0000 60000 T03000250 56023","temp":30,"dewpoint":25,"humidity":75,"wind":9.8,"precipObserved":true,"correctedAt":"2026-10-12T20:57:38.247Z","originalRaw":"METAR KIAH 122053Z 13019G23KT 10SM -RA FEW026 BKN035 BKN055 30/25 A2996 RMK AO2 RAB52 SLP146 P0000 60000 T03000250 56023"}},"finality":{"status":"final","finalAt":"2026-10-13T08:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":120,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 120 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"a196ff86460334ff","lastChangedAt":"2026-10-13T04:56:39.311Z","corrections":[{"obsTimeUtc":"2026-10-12T20:53:00.000Z","correctedAt":"2026-10-12T20:57:38.247Z","original":"METAR KIAH 122053Z 13019G23KT 10SM -RA FEW026 BKN035 BKN055 30/25 A2996 RMK AO2 RAB52 SLP146 P0000 60000 T03000250 56023","corrected":"METAR KIAH 122053Z COR 13019G23KT 10SM -RA SCT026 BKN045 BKN070 30/25 A2996 RMK AO2 RAB52 SLP146 CB DSNT NE-E SW MOV N P0000 60000 T03000250 56023"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KIAH/2026-10-12?format=record","status":"anchored","sha256":"bfe8072b3ee6d892ed64a29ce80c6cd5dd047b07d87a62c6a34833ade8f4c7f4","revision":"a196ff86460334ff","flareTxHash":"0x618683436e03cd57e2fba35e439e28263f0823e9383666b155b79a486ac87cfc","flareBlock":71996163,"anchoredAt":"2026-10-13T08:01:49.264Z","explorer":"https://flare-explorer.flare.network/tx/0x618683436e03cd57e2fba35e439e28263f0823e9383666b155b79a486ac87cfc","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":23,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-12T19:53:00.000Z","flag":"good","reasons":["step_not_tested: previous valid report 120 min earlier (> 70)"]},"tmin":{"obsTimeUtc":"2026-10-12T06:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":31.7,"tmin":21.7,"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":32.22,"tmin":21.67,"precip":0,"corrected":false,"issuedAt":"2026-10-13T06:17:00.000Z","html":"https://weathermarket.io/nws-cli/KIAH/2026-10-12","json":"https://weathermarket.io/api/nws-cli/KIAH/2026-10-12"},"observations":[{"obsTimeUtc":"2026-10-12T05:53:00.000Z","obsTimeLocal":"2026-10-12T00:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120553Z 11004KT 10SM BKN200 22/21 A3005 RMK AO2 SLP173 T02220206 10272 20206 403390172 58002","temp":22.2,"dewpoint":20.6,"humidity":91,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T06:53:00.000Z","obsTimeLocal":"2026-10-12T01:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120653Z 00000KT 10SM OVC220 22/21 A3004 RMK AO2 SLP170 T02170206","temp":21.7,"dewpoint":20.6,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T07:53:00.000Z","obsTimeLocal":"2026-10-12T02:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120753Z 00000KT 10SM FEW035 OVC230 22/21 A3003 RMK AO2 SLP168 T02220211","temp":22.2,"dewpoint":21.1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T08:53:00.000Z","obsTimeLocal":"2026-10-12T03:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120853Z 00000KT 10SM FEW033 OVC230 22/21 A3002 RMK AO2 SLP164 T02220211 58009","temp":22.2,"dewpoint":21.1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T09:53:00.000Z","obsTimeLocal":"2026-10-12T04:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 120953Z 10004KT 10SM FEW030 OVC230 22/21 A3001 RMK AO2 SLP162 T02220211","temp":22.2,"dewpoint":21.1,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T10:53:00.000Z","obsTimeLocal":"2026-10-12T05:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121053Z 09005KT 10SM FEW025 BKN230 23/22 A3002 RMK AO2 SLP164 T02280217","temp":22.8,"dewpoint":21.7,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T11:53:00.000Z","obsTimeLocal":"2026-10-12T06:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121153Z 09005KT 10SM FEW025 BKN230 23/22 A3002 RMK AO2 SLP166 T02280217 10228 20217 53000","temp":22.8,"dewpoint":21.7,"humidity":94,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T12:53:00.000Z","obsTimeLocal":"2026-10-12T07:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121253Z 09003KT 10SM SCT026 OVC240 23/22 A3003 RMK AO2 SLP169 T02330217","temp":23.3,"dewpoint":21.7,"humidity":91,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T13:53:00.000Z","obsTimeLocal":"2026-10-12T08:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121353Z 11003KT 10SM SCT028 OVC240 24/23 A3004 RMK AO2 SLP171 T02440228","temp":24.4,"dewpoint":22.8,"humidity":91,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T14:53:00.000Z","obsTimeLocal":"2026-10-12T09:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121453Z 11006KT 10SM SCT028 OVC230 27/23 A3005 RMK AO2 SLP174 T02720233 53008","temp":27.2,"dewpoint":23.3,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T15:53:00.000Z","obsTimeLocal":"2026-10-12T10:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121553Z 15011KT 10SM SCT028 BKN240 29/23 A3005 RMK AO2 SLP174 T02940228","temp":29.4,"dewpoint":22.8,"humidity":68,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T16:53:00.000Z","obsTimeLocal":"2026-10-12T11:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121653Z 13012KT 10SM SCT028 OVC055 31/23 A3005 RMK AO2 SLP175 T03060228","temp":30.6,"dewpoint":22.8,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T17:53:00.000Z","obsTimeLocal":"2026-10-12T12:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121753Z 12012KT 10SM SCT030 OVC050 31/24 A3003 RMK AO2 SLP169 T03060239 10311 20228 58005","temp":30.6,"dewpoint":23.9,"humidity":68,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T19:53:00.000Z","obsTimeLocal":"2026-10-12T14:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 121953Z 11014G22KT 10SM FEW026 BKN035 OVC055 32/24 A2998 RMK AO2 RAB42E52 SLP150 LTG DSNT SE AND SW CB DSNT SE AND SW MOVG N P0000 T03170244","temp":31.7,"dewpoint":24.4,"humidity":65,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T20:53:00.000Z","obsTimeLocal":"2026-10-12T15:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 122053Z COR 13019G23KT 10SM -RA SCT026 BKN045 BKN070 30/25 A2996 RMK AO2 RAB52 SLP146 CB DSNT NE-E SW MOV N P0000 60000 T03000250 56023","temp":30,"dewpoint":25,"humidity":75,"wind":9.8,"precipObserved":true,"correctedAt":"2026-10-12T20:57:38.247Z","originalRaw":"METAR KIAH 122053Z 13019G23KT 10SM -RA FEW026 BKN035 BKN055 30/25 A2996 RMK AO2 RAB52 SLP146 P0000 60000 T03000250 56023"},{"obsTimeUtc":"2026-10-12T21:53:00.000Z","obsTimeLocal":"2026-10-12T16:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 122153Z 12012KT 10SM FEW023 SCT065 BKN220 29/24 A2995 RMK AO2 RAE08 SLP143 SHRA DSNT SW W P0000 T02940244","temp":29.4,"dewpoint":24.4,"humidity":75,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T22:53:00.000Z","obsTimeLocal":"2026-10-12T17:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 122253Z 13015G22KT 10SM SCT020 BKN036 BKN070 BKN200 29/25 A2995 RMK AO2 SLP142 SHRA SE-S CB DSNT W NW MOV N T02890250","temp":28.9,"dewpoint":25,"humidity":80,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T23:53:00.000Z","obsTimeLocal":"2026-10-12T18:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 122353Z 13007KT 10SM -RA SCT020 BKN070 BKN120 BKN190 27/25 A2995 RMK AO2 RAB45 SLP142 P0000 60000 T02670250 10322 20267 55004","temp":26.7,"dewpoint":25,"humidity":90,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T00:53:00.000Z","obsTimeLocal":"2026-10-12T19:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 130053Z 14007KT 10SM FEW020 FEW030 SCT065 BKN200 27/25 A2996 RMK AO2 RAE05 SLP146 P0000 T02670250","temp":26.7,"dewpoint":25,"humidity":90,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T01:53:00.000Z","obsTimeLocal":"2026-10-12T20:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 130153Z 14008KT 10SM FEW020 FEW070 BKN220 26/26 A2998 RMK AO2 SLP151 T02610256","temp":26.1,"dewpoint":25.6,"humidity":97,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T02:53:00.000Z","obsTimeLocal":"2026-10-12T21:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 130253Z 14006KT 10SM FEW016 FEW070 SCT220 26/26 A2999 RMK AO2 SLP154 60000 T02610256 51011","temp":26.1,"dewpoint":25.6,"humidity":97,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T03:53:00.000Z","obsTimeLocal":"2026-10-12T22:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 130353Z 15004KT 10SM FEW017 BKN220 26/26 A2998 RMK AO2 SLP152 T02610256","temp":26.1,"dewpoint":25.6,"humidity":97,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T04:53:00.000Z","obsTimeLocal":"2026-10-12T23:53:00-05:00","metarType":"METAR","raw":"METAR KIAH 130453Z 15004KT 10SM FEW015 BKN220 26/26 A2999 RMK AO2 SLP154 T02610256","temp":26.1,"dewpoint":25.6,"humidity":97,"wind":2.1,"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/2026-10-12","json":"https://weathermarket.io/api/station/KIAH/2026-10-12","record":"https://weathermarket.io/api/station/KIAH/2026-10-12?format=record","prev":"https://weathermarket.io/station/KIAH/2026-10-11","next":"https://weathermarket.io/station/KIAH/2026-10-13","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=12&year2=2026&month2=10&day2=14&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=12&hora=5&anof=2026&mesf=10&dayf=13&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KIAH"}}}