{"station":{"icao":"KSEA","city":{"slug":"seattle","name":"Seattle","country":"United States"},"timezone":"America/Los_Angeles","lat":47.61,"lon":-122.33,"us":true,"html":"https://weathermarket.io/station/KSEA","json":"https://weathermarket.io/api/station/KSEA","nwsCli":{"html":"https://weathermarket.io/nws-cli/KSEA","json":"https://weathermarket.io/api/nws-cli/KSEA"}},"date":"2026-10-12","window":{"date":"2026-10-12","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-12T07:00:00.000Z","dayEndUtc":"2026-10-13T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":15.6,"tmaxAt":"2026-10-12T21:53:00.000Z","tmin":5.6,"tminAt":"2026-10-12T11:53:00.000Z","tavg":10.5,"humidityMean":65.4,"windMean":1.8,"windMax":3.6,"windMaxAt":"2026-10-12T13:53:00.000Z","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":"2026-10-12T21:53:00.000Z","obsTimeLocal":"2026-10-12T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 122153Z 32006KT 10SM FEW040 FEW220 16/02 A3005 RMK AO2 SLP181 T01560017","temp":15.6,"dewpoint":1.7,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-12T11:53:00.000Z","obsTimeLocal":"2026-10-12T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121153Z 00000KT 10SM CLR 06/04 A3002 RMK AO2 SLP173 T00560039 10111 20056 53006","temp":5.6,"dewpoint":3.9,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-12T13:53:00.000Z","obsTimeLocal":"2026-10-12T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121353Z 13007KT 10SM FEW080 06/04 A3005 RMK AO2 SLP182 T00610039","temp":6.1,"dewpoint":3.9,"humidity":86,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-13T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"f4e9f232628cd78b","lastChangedAt":"2026-10-13T06:55:42.888Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-12?format=record","status":"anchored","sha256":"9290578dd4346ada2f91f65dd0fbe74ae02ba5d0108c871b5cfd9e15432ecf1a","revision":"f4e9f232628cd78b","flareTxHash":"0x7774a628c20977b8141cecf039b90f76108d205fd4bdfae8726f2f976962dc2f","flareBlock":72002684,"anchoredAt":"2026-10-13T10:01:58.531Z","explorer":"https://flare-explorer.flare.network/tx/0x7774a628c20977b8141cecf039b90f76108d205fd4bdfae8726f2f976962dc2f","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":"2026-10-12T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-12T11:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":15.6,"tmin":5.6,"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":16.11,"tmin":5,"precip":0,"corrected":false,"issuedAt":"2026-10-13T08:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-12","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-12"},"observations":[{"obsTimeUtc":"2026-10-12T07:53:00.000Z","obsTimeLocal":"2026-10-12T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120753Z 27003KT 10SM CLR 08/04 A2998 RMK AO2 SLP158 T00780044 401560061","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T08:53:00.000Z","obsTimeLocal":"2026-10-12T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120853Z 00000KT 10SM CLR 07/04 A3000 RMK AO2 SLP165 T00720044 53009","temp":7.2,"dewpoint":4.4,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T09:53:00.000Z","obsTimeLocal":"2026-10-12T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120953Z 12006KT 10SM CLR 07/04 A3001 RMK AO2 SLP167 T00670044","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T10:53:00.000Z","obsTimeLocal":"2026-10-12T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121053Z 13006KT 10SM CLR 06/04 A3001 RMK AO2 SLP168 T00610044","temp":6.1,"dewpoint":4.4,"humidity":89,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T11:53:00.000Z","obsTimeLocal":"2026-10-12T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121153Z 00000KT 10SM CLR 06/04 A3002 RMK AO2 SLP173 T00560039 10111 20056 53006","temp":5.6,"dewpoint":3.9,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T12:53:00.000Z","obsTimeLocal":"2026-10-12T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121253Z 13005KT 10SM CLR 06/04 A3003 RMK AO2 SLP178 T00560039","temp":5.6,"dewpoint":3.9,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T13:53:00.000Z","obsTimeLocal":"2026-10-12T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121353Z 13007KT 10SM FEW080 06/04 A3005 RMK AO2 SLP182 T00610039","temp":6.1,"dewpoint":3.9,"humidity":86,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T14:53:00.000Z","obsTimeLocal":"2026-10-12T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121453Z VRB04KT 10SM FEW001 FEW080 06/04 A3005 RMK AO2 SLP182 T00610039 50009","temp":6.1,"dewpoint":3.9,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T15:53:00.000Z","obsTimeLocal":"2026-10-12T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121553Z 17004KT 10SM FEW003 FEW080 08/04 A3005 RMK AO2 SLP184 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T16:53:00.000Z","obsTimeLocal":"2026-10-12T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121653Z VRB03KT 10SM FEW080 09/04 A3007 RMK AO2 SLP189 T00940044","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T17:53:00.000Z","obsTimeLocal":"2026-10-12T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121753Z 00000KT 10SM FEW025 11/06 A3007 RMK AO2 SLP188 T01110056 10111 20050 51007","temp":11.1,"dewpoint":5.6,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T18:53:00.000Z","obsTimeLocal":"2026-10-12T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121853Z 07005KT 10SM FEW030 13/04 A3006 RMK AO2 SLP185 T01330039","temp":13.3,"dewpoint":3.9,"humidity":53,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T19:53:00.000Z","obsTimeLocal":"2026-10-12T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 121953Z 29005KT 10SM FEW030 14/06 A3005 RMK AO2 SLP184 T01390056","temp":13.9,"dewpoint":5.6,"humidity":57,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T20:53:00.000Z","obsTimeLocal":"2026-10-12T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 122053Z VRB05KT 10SM FEW035 FEW220 14/04 A3005 RMK AO2 SLP181 T01440039 56006","temp":14.4,"dewpoint":3.9,"humidity":49,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T21:53:00.000Z","obsTimeLocal":"2026-10-12T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 122153Z 32006KT 10SM FEW040 FEW220 16/02 A3005 RMK AO2 SLP181 T01560017","temp":15.6,"dewpoint":1.7,"humidity":39,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T22:53:00.000Z","obsTimeLocal":"2026-10-12T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 122253Z VRB03KT 10SM FEW040 FEW220 16/02 A3004 RMK AO2 SLP178 T01560017","temp":15.6,"dewpoint":1.7,"humidity":39,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T23:53:00.000Z","obsTimeLocal":"2026-10-12T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 122353Z 00000KT 10SM FEW040 FEW230 16/02 A3005 RMK AO2 SLP182 T01560017 10161 20111 55000","temp":15.6,"dewpoint":1.7,"humidity":39,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T00:53:00.000Z","obsTimeLocal":"2026-10-12T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130053Z 00000KT 10SM FEW040 FEW210 14/04 A3005 RMK AO2 SLP184 T01440039","temp":14.4,"dewpoint":3.9,"humidity":49,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T01:53:00.000Z","obsTimeLocal":"2026-10-12T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130153Z 00000KT 10SM FEW040 FEW170 SCT230 13/03 A3006 RMK AO2 SLP187 T01330028","temp":13.3,"dewpoint":2.8,"humidity":49,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T02:53:00.000Z","obsTimeLocal":"2026-10-12T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130253Z 00000KT 10SM FEW170 SCT230 13/02 A3007 RMK AO2 SLP190 T01280022 53007","temp":12.8,"dewpoint":2.2,"humidity":48,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T03:53:00.000Z","obsTimeLocal":"2026-10-12T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130353Z VRB03KT 10SM FEW230 13/03 A3008 RMK AO2 SLP194 T01330028","temp":13.3,"dewpoint":2.8,"humidity":49,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T04:53:00.000Z","obsTimeLocal":"2026-10-12T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130453Z 11007KT 10SM SCT230 12/03 A3009 RMK AO2 SLP197 T01170033","temp":11.7,"dewpoint":3.3,"humidity":56,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T05:53:00.000Z","obsTimeLocal":"2026-10-12T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130553Z 15007KT 10SM FEW100 SCT230 10/04 A3010 RMK AO2 SLP200 T01000044 10161 20100 51010","temp":10,"dewpoint":4.4,"humidity":68,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-13T06:53:00.000Z","obsTimeLocal":"2026-10-12T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 130653Z 12007KT 10SM BKN085 09/04 A3011 RMK AO2 SLP202 T00940044","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":3.6,"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/KSEA/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KSEA/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KSEA for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KSEA/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/KSEA/2026-10-12","json":"https://weathermarket.io/api/station/KSEA/2026-10-12","record":"https://weathermarket.io/api/station/KSEA/2026-10-12?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-11","next":"https://weathermarket.io/station/KSEA/2026-10-13","station":"https://weathermarket.io/station/KSEA","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=SEA&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=KSEA&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=12&hora=7&anof=2026&mesf=10&dayf=13&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}