{"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":"2026-10-17","window":{"date":"2026-10-17","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-17T07:00:00.000Z","dayEndUtc":"2026-10-18T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":23.9,"tmaxAt":"2026-10-17T18:56:00.000Z","tmin":18.3,"tminAt":"2026-10-17T13:56:00.000Z","tavg":21.2,"humidityMean":23.9,"windMean":3,"windMax":5.7,"windMaxAt":"2026-10-17T17:56:00.000Z","precipObservedCount":1,"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":"2026-10-17T18:56:00.000Z","obsTimeLocal":"2026-10-17T11:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171856Z 04010KT 10SM SCT200 BKN250 24/M03 A3023 RMK AO2 SLP218 T02391028","temp":23.9,"dewpoint":-2.8,"humidity":17,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-17T13:56:00.000Z","obsTimeLocal":"2026-10-17T06:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171356Z 02006KT 10SM FEW200 18/M01 A3027 RMK AO2 SLP233 T01831006","temp":18.3,"dewpoint":-0.6,"humidity":28,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-17T17:56:00.000Z","obsTimeLocal":"2026-10-17T10:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171756Z 03011KT 10SM FEW200 BKN250 23/M02 A3026 RMK AO2 SLP229 T02331017 10233 20183 58008","temp":23.3,"dewpoint":-1.7,"humidity":19,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-18T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"aefa7191622af625","lastChangedAt":"2026-10-18T06:58:42.073Z","corrections":[{"obsTimeUtc":"2026-10-17T15:56:00.000Z","correctedAt":"2026-10-17T16:51:41.664Z","original":"METAR KLAS 171556Z 03007KT 10SM CLR 20/00 A3029 RMK AO2 SLP242 T02000000","corrected":"METAR KLAS 171556Z COR 03007KT 10SM SCT200 BKN250 20/00 A3029 RMK AO2 SLP242 T02000000"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KLAS/2026-10-17?format=record","status":"anchored","sha256":"8e1b2184edd18abb6a8662e9fa9edb67d78bdab76e380f7258532f5757f1f00f","revision":"aefa7191622af625","flareTxHash":"0x79f4317cdb21697be032b6b8f7bab865e3aaf612ff064d0548f468a2db4fde16","flareBlock":72395202,"anchoredAt":"2026-10-18T10:01:52.263Z","explorer":"https://flare-explorer.flare.network/tx/0x79f4317cdb21697be032b6b8f7bab865e3aaf612ff064d0548f468a2db4fde16","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":"2026-10-17T18:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-17T13:56:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":23.9,"tmin":18.3,"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":24.44,"tmin":18.33,"precip":0,"corrected":false,"issuedAt":"2026-10-18T08:30:00.000Z","html":"https://weathermarket.io/nws-cli/KLAS/2026-10-17","json":"https://weathermarket.io/api/nws-cli/KLAS/2026-10-17"},"observations":[{"obsTimeUtc":"2026-10-17T07:56:00.000Z","obsTimeLocal":"2026-10-17T00:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 170756Z 02006KT 10SM CLR 21/00 A3027 RMK AO2 SLP232 T02110000 402830194","temp":21.1,"dewpoint":0,"humidity":24,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T08:56:00.000Z","obsTimeLocal":"2026-10-17T01:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 170856Z 04008KT 10SM CLR 21/00 A3028 RMK AO2 SLP233 T02060000 55001","temp":20.6,"dewpoint":0,"humidity":25,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T09:56:00.000Z","obsTimeLocal":"2026-10-17T02:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 170956Z 03007KT 10SM CLR 21/M01 A3027 RMK AO2 SLP231 T02061006","temp":20.6,"dewpoint":-0.6,"humidity":24,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T10:56:00.000Z","obsTimeLocal":"2026-10-17T03:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171056Z 01007KT 10SM CLR 19/M01 A3026 RMK AO2 SLP229 T01891011","temp":18.9,"dewpoint":-1.1,"humidity":26,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T11:56:00.000Z","obsTimeLocal":"2026-10-17T04:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171156Z 04008KT 10SM CLR 19/M01 A3026 RMK AO2 SLP229 T01941011 10228 20189 55004","temp":19.4,"dewpoint":-1.1,"humidity":25,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T12:56:00.000Z","obsTimeLocal":"2026-10-17T05:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171256Z 03008KT 10SM CLR 19/M01 A3027 RMK AO2 SLP234 T01941011","temp":19.4,"dewpoint":-1.1,"humidity":25,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T13:56:00.000Z","obsTimeLocal":"2026-10-17T06:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171356Z 02006KT 10SM FEW200 18/M01 A3027 RMK AO2 SLP233 T01831006","temp":18.3,"dewpoint":-0.6,"humidity":28,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T14:56:00.000Z","obsTimeLocal":"2026-10-17T07:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171456Z 05006KT 10SM SCT200 BKN250 19/M01 A3028 RMK AO2 SLP239 T01891006 53006","temp":18.9,"dewpoint":-0.6,"humidity":27,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T15:56:00.000Z","obsTimeLocal":"2026-10-17T08:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171556Z COR 03007KT 10SM SCT200 BKN250 20/00 A3029 RMK AO2 SLP242 T02000000","temp":20,"dewpoint":0,"humidity":26,"wind":3.6,"precipObserved":false,"correctedAt":"2026-10-17T16:51:41.664Z","originalRaw":"METAR KLAS 171556Z 03007KT 10SM CLR 20/00 A3029 RMK AO2 SLP242 T02000000"},{"obsTimeUtc":"2026-10-17T16:56:00.000Z","obsTimeLocal":"2026-10-17T09:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171656Z 04007KT 10SM SCT200 BKN250 22/M01 A3028 RMK AO2 SLP236 T02221006","temp":22.2,"dewpoint":-0.6,"humidity":22,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T17:56:00.000Z","obsTimeLocal":"2026-10-17T10:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171756Z 03011KT 10SM FEW200 BKN250 23/M02 A3026 RMK AO2 SLP229 T02331017 10233 20183 58008","temp":23.3,"dewpoint":-1.7,"humidity":19,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T18:56:00.000Z","obsTimeLocal":"2026-10-17T11:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171856Z 04010KT 10SM SCT200 BKN250 24/M03 A3023 RMK AO2 SLP218 T02391028","temp":23.9,"dewpoint":-2.8,"humidity":17,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T19:56:00.000Z","obsTimeLocal":"2026-10-17T12:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 171956Z 10006KT 10SM SCT200 BKN250 23/M03 A3020 RMK AO2 SLP211 T02331028","temp":23.3,"dewpoint":-2.8,"humidity":17,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T20:56:00.000Z","obsTimeLocal":"2026-10-17T13:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 172056Z 08009KT 10SM SCT200 BKN250 24/M03 A3018 RMK AO2 SLP201 T02391028 56026","temp":23.9,"dewpoint":-2.8,"humidity":17,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T21:56:00.000Z","obsTimeLocal":"2026-10-17T14:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 172156Z 06007KT 10SM FEW100 SCT200 BKN250 23/M03 A3016 RMK AO2 SLP194 T02331033","temp":23.3,"dewpoint":-3.3,"humidity":17,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T22:56:00.000Z","obsTimeLocal":"2026-10-17T15:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 172256Z 11004KT 10SM SCT100 BKN150 OVC200 23/M03 A3016 RMK AO2 SLP197 T02331033","temp":23.3,"dewpoint":-3.3,"humidity":17,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-17T23:56:00.000Z","obsTimeLocal":"2026-10-17T16:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 172356Z 03005KT 10SM SCT100 BKN150 OVC180 23/M03 A3014 RMK AO2 SLP191 T02331028 10244 20228 56010","temp":23.3,"dewpoint":-2.8,"humidity":17,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T00:56:00.000Z","obsTimeLocal":"2026-10-17T17:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180056Z 13003KT 10SM SCT100 BKN120 OVC150 23/M03 A3013 RMK AO2 SLP187 T02281033","temp":22.8,"dewpoint":-3.3,"humidity":17,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T01:56:00.000Z","obsTimeLocal":"2026-10-17T18:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180156Z 17006KT 10SM -RA BKN100 OVC150 21/00 A3015 RMK AO2 RAB29 SLP194 P0000 T02110000","temp":21.1,"dewpoint":0,"humidity":24,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T02:56:00.000Z","obsTimeLocal":"2026-10-17T19:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180256Z 23005KT 10SM OVC110 20/04 A3014 RMK AO2 RAE31 SLP192 P0000 60000 T02000044 56002","temp":20,"dewpoint":4.4,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T03:56:00.000Z","obsTimeLocal":"2026-10-17T20:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180356Z 18003KT 10SM OVC110 21/03 A3014 RMK AO2 SLP190 T02060028","temp":20.6,"dewpoint":2.8,"humidity":31,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T04:56:00.000Z","obsTimeLocal":"2026-10-17T21:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180456Z 20003KT 10SM OVC110 21/02 A3014 RMK AO2 SLP190 T02060022","temp":20.6,"dewpoint":2.2,"humidity":30,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T05:56:00.000Z","obsTimeLocal":"2026-10-17T22:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180556Z 00000KT 10SM BKN110 20/02 A3014 RMK AO2 SLP191 60000 T02000022 10233 20194 53002","temp":20,"dewpoint":2.2,"humidity":31,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-18T06:56:00.000Z","obsTimeLocal":"2026-10-17T23:56:00-07:00","metarType":"METAR","raw":"METAR KLAS 180656Z 00000KT 10SM BKN120 BKN180 20/03 A3014 RMK AO2 SLP188 T02000028","temp":20,"dewpoint":2.8,"humidity":32,"wind":0,"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/2026-10-17","json":"https://weathermarket.io/api/station/KLAS/2026-10-17","record":"https://weathermarket.io/api/station/KLAS/2026-10-17?format=record","prev":"https://weathermarket.io/station/KLAS/2026-10-16","next":"https://weathermarket.io/station/KLAS/2026-10-18","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=17&year2=2026&month2=10&day2=19&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=17&hora=7&anof=2026&mesf=10&dayf=18&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KLAS"}}}