{"station":{"icao":"KLAS","city":{"slug":"las-vegas","name":"Las Vegas","country":"United States"},"timezone":"America/Los_Angeles","lat":36.17,"lon":-115.14,"us":true,"html":"https://weathermarket.io/station/KLAS","json":"https://weathermarket.io/api/station/KLAS","nwsCli":{"html":"https://weathermarket.io/nws-cli/KLAS","json":"https://weathermarket.io/api/nws-cli/KLAS"}},"date":"2026-10-18","window":{"date":"2026-10-18","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-18T07:00:00.000Z","dayEndUtc":"2026-10-19T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":25,"tmaxAt":"2026-10-18T22:56:00.000Z","tmin":18.9,"tminAt":"2026-10-18T11:56:00.000Z","tavg":21.5,"humidityMean":31.9,"windMean":1.7,"windMax":3.6,"windMaxAt":"2026-10-18T12:56:00.000Z","precipObservedCount":0,"nObservations":25,"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":"2026-10-18T22:56:00.000Z","obsTimeLocal":"2026-10-18T15:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 182256Z 07004KT 10SM FEW150 FEW200 25/02 A3005 RMK AO2 SLP157 T02500022","temp":25,"dewpoint":2.2,"humidity":23,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-18T11:56:00.000Z","obsTimeLocal":"2026-10-18T04:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181156Z 05003KT 10SM BKN095 BKN200 19/04 A3012 RMK AO2 SLP182 T01890044 10200 20189 55004","temp":18.9,"dewpoint":4.4,"humidity":38,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-18T12:56:00.000Z","obsTimeLocal":"2026-10-18T05:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181256Z 03007KT 10SM BKN095 BKN200 19/06 A3012 RMK AO2 SLP182 T01890056","temp":18.9,"dewpoint":5.6,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-19T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"bc63712401bf0d29","lastChangedAt":"2026-10-19T06:59:38.437Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KLAS/2026-10-18?format=record","status":"anchored","sha256":"f73ce49f530da6202d555beb56f1af8adca796560894276a0d58f6b376c32b08","revision":"bc63712401bf0d29","flareTxHash":"0x4ae62783c94956b0a8fb8ac3868e725c4ba0ad761453422d265885bc1dab8567","flareBlock":72471451,"anchoredAt":"2026-10-19T10:02:01.146Z","explorer":"https://flare-explorer.flare.network/tx/0x4ae62783c94956b0a8fb8ac3868e725c4ba0ad761453422d265885bc1dab8567","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-18T22:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-18T11:56:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":25,"tmin":18.9,"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":25.56,"tmin":18.89,"precip":0,"corrected":false,"issuedAt":"2026-10-19T08:28:00.000Z","html":"https://weathermarket.io/nws-cli/KLAS/2026-10-18","json":"https://weathermarket.io/api/nws-cli/KLAS/2026-10-18"},"observations":[{"obsTimeUtc":"2026-10-18T07:56:00.000Z","obsTimeLocal":"2026-10-18T00:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180756Z 00000KT 10SM SCT120 BKN180 19/03 A3013 RMK AO2 SLP187 T01940028 402440183","temp":19.4,"dewpoint":2.8,"humidity":33,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T08:56:00.000Z","obsTimeLocal":"2026-10-18T01:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180856Z 29004KT 10SM FEW120 BKN200 19/02 A3013 RMK AO2 SLP186 T01940022 56005","temp":19.4,"dewpoint":2.2,"humidity":32,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T09:56:00.000Z","obsTimeLocal":"2026-10-18T02:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180956Z 05003KT 10SM BKN095 BKN200 19/03 A3012 RMK AO2 SLP183 T01940028","temp":19.4,"dewpoint":2.8,"humidity":33,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T10:56:00.000Z","obsTimeLocal":"2026-10-18T03:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181056Z 02004KT 10SM BKN110 BKN200 19/02 A3012 RMK AO2 SLP181 T01940022","temp":19.4,"dewpoint":2.2,"humidity":32,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T11:56:00.000Z","obsTimeLocal":"2026-10-18T04:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181156Z 05003KT 10SM BKN095 BKN200 19/04 A3012 RMK AO2 SLP182 T01890044 10200 20189 55004","temp":18.9,"dewpoint":4.4,"humidity":38,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T12:56:00.000Z","obsTimeLocal":"2026-10-18T05:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181256Z 03007KT 10SM BKN095 BKN200 19/06 A3012 RMK AO2 SLP182 T01890056","temp":18.9,"dewpoint":5.6,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T13:56:00.000Z","obsTimeLocal":"2026-10-18T06:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181356Z 34005KT 10SM BKN100 BKN150 19/06 A3012 RMK AO2 SLP184 T01890056","temp":18.9,"dewpoint":5.6,"humidity":42,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T14:56:00.000Z","obsTimeLocal":"2026-10-18T07:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181456Z 35004KT 10SM BKN090 BKN150 19/06 A3012 RMK AO2 SLP186 T01940056 53002","temp":19.4,"dewpoint":5.6,"humidity":40,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T15:56:00.000Z","obsTimeLocal":"2026-10-18T08:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181556Z 00000KT 10SM BKN100 BKN150 19/05 A3013 RMK AO2 SLP189 T01940050","temp":19.4,"dewpoint":5,"humidity":39,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T16:56:00.000Z","obsTimeLocal":"2026-10-18T09:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181656Z 00000KT 10SM BKN110 BKN170 20/04 A3014 RMK AO2 SLP190 T02000044","temp":20,"dewpoint":4.4,"humidity":36,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T17:56:00.000Z","obsTimeLocal":"2026-10-18T10:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181756Z 02006KT 10SM SCT090 BKN120 BKN170 22/04 A3013 RMK AO2 SLP187 T02220044 10228 20189 50003","temp":22.2,"dewpoint":4.4,"humidity":31,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:46:00.000Z","obsTimeLocal":"2026-10-18T11:46:00-07:00","metarType":"SPECI","raw":"SPECI KLAS 181846Z 35006KT 10SM SCT095 BKN110 BKN170 23/04 A3012 RMK AO2 T02330044","temp":23.3,"dewpoint":4.4,"humidity":29,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T18:56:00.000Z","obsTimeLocal":"2026-10-18T11:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181856Z VRB04KT 10SM SCT095 BKN110 BKN170 23/04 A3012 RMK AO2 SLP183 T02280039","temp":22.8,"dewpoint":3.9,"humidity":29,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T19:56:00.000Z","obsTimeLocal":"2026-10-18T12:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 181956Z 35004KT 10SM FEW120 SCT170 BKN220 23/04 A3009 RMK AO2 SLP174 T02330039","temp":23.3,"dewpoint":3.9,"humidity":28,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T20:56:00.000Z","obsTimeLocal":"2026-10-18T13:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 182056Z 06004KT 10SM FEW120 SCT170 BKN220 24/03 A3007 RMK AO2 SLP165 T02390028 58020","temp":23.9,"dewpoint":2.8,"humidity":25,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T21:56:00.000Z","obsTimeLocal":"2026-10-18T14:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 182156Z 00000KT 10SM FEW120 SCT150 SCT200 24/03 A3005 RMK AO2 SLP158 T02440028","temp":24.4,"dewpoint":2.8,"humidity":24,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T22:56:00.000Z","obsTimeLocal":"2026-10-18T15:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 182256Z 07004KT 10SM FEW150 FEW200 25/02 A3005 RMK AO2 SLP157 T02500022","temp":25,"dewpoint":2.2,"humidity":23,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T23:56:00.000Z","obsTimeLocal":"2026-10-18T16:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 182356Z 01004KT 10SM FEW090 FEW180 25/03 A3004 RMK AO2 SLP154 T02500028 10256 20222 56009","temp":25,"dewpoint":2.8,"humidity":24,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T00:56:00.000Z","obsTimeLocal":"2026-10-18T17:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190056Z 04004KT 10SM FEW110 FEW180 24/03 A3004 RMK AO2 SLP154 T02390028","temp":23.9,"dewpoint":2.8,"humidity":25,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T01:56:00.000Z","obsTimeLocal":"2026-10-18T18:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190156Z 06005KT 10SM FEW080 SCT150 24/03 A3005 RMK AO2 SLP157 T02390028","temp":23.9,"dewpoint":2.8,"humidity":25,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T02:56:00.000Z","obsTimeLocal":"2026-10-18T19:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190256Z 00000KT 10SM OVC090 24/03 A3005 RMK AO2 SLP159 T02390028 53003","temp":23.9,"dewpoint":2.8,"humidity":25,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T03:56:00.000Z","obsTimeLocal":"2026-10-18T20:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190356Z 00000KT 10SM SCT090 23/03 A3006 RMK AO2 SLP161 T02280028","temp":22.8,"dewpoint":2.8,"humidity":27,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T04:56:00.000Z","obsTimeLocal":"2026-10-18T21:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190456Z 27004KT 10SM FEW090 21/05 A3006 RMK AO2 SLP162 T02110050","temp":21.1,"dewpoint":5,"humidity":35,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T05:56:00.000Z","obsTimeLocal":"2026-10-18T22:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190556Z 23004KT 10SM FEW110 19/06 A3006 RMK AO2 SLP161 T01940056 10250 20194 51002","temp":19.4,"dewpoint":5.6,"humidity":40,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-19T06:56:00.000Z","obsTimeLocal":"2026-10-18T23:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 190656Z 27004KT 10SM FEW110 SCT200 19/06 A3005 RMK AO2 SLP159 T01940056","temp":19.4,"dewpoint":5.6,"humidity":40,"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/KLAS/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KLAS/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KLAS for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KLAS/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/KLAS/2026-10-18","json":"https://weathermarket.io/api/station/KLAS/2026-10-18","record":"https://weathermarket.io/api/station/KLAS/2026-10-18?format=record","prev":"https://weathermarket.io/station/KLAS/2026-10-17","next":"https://weathermarket.io/station/KLAS/2026-10-19","station":"https://weathermarket.io/station/KLAS","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=LAS&data=metar&year1=2026&month1=10&day1=18&year2=2026&month2=10&day2=20&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=KLAS&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=18&hora=7&anof=2026&mesf=10&dayf=19&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KLAS"}}}