{"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":"2026-10-29","window":{"date":"2026-10-29","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-29T07:00:00.000Z","dayEndUtc":"2026-10-30T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":12.8,"tmaxAt":"2026-10-29T21:53:00.000Z","tmin":6.1,"tminAt":"2026-10-29T13:53:00.000Z","tavg":8.2,"humidityMean":80.7,"windMean":2.7,"windMax":4.6,"windMaxAt":"2026-10-29T19:53:00.000Z","precipObservedCount":8,"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":"2026-10-29T21:53:00.000Z","obsTimeLocal":"2026-10-29T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 292153Z 19005KT 10SM FEW034 SCT065 BKN110 BKN150 13/04 A2995 RMK AO2 SLP148 T01280039","temp":12.8,"dewpoint":3.9,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-29T13:53:00.000Z","obsTimeLocal":"2026-10-29T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291353Z 12007KT 10SM BKN041 BKN055 BKN075 06/04 A2999 RMK AO2 RAE11 SLP164 P0001 T00610044","temp":6.1,"dewpoint":4.4,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-29T19:53:00.000Z","obsTimeLocal":"2026-10-29T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291953Z 12009KT 10SM FEW025 BKN042 BKN080 BKN150 11/06 A2998 RMK AO2 SLP158 T01060056","temp":10.6,"dewpoint":5.6,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-30T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"09cad87e8f62af3a","lastChangedAt":"2026-10-30T06:56:38.818Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-29?format=record","status":"anchored","sha256":"87e632da9a1204515aa143d2f0be22b3dcd61c2c4b824efa218bdfb0c8efdb93","revision":"09cad87e8f62af3a","flareTxHash":"0x42885942905a25b19717f8fc7857efc220f596fecdf3bd9f5122cee821bb6876","flareBlock":73833169,"anchoredAt":"2026-11-05T21:01:40.919Z","explorer":"https://flare-explorer.flare.network/tx/0x42885942905a25b19717f8fc7857efc220f596fecdf3bd9f5122cee821bb6876","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":"2026-10-29T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-29T13:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":12.8,"tmin":6.1,"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":12.78,"tmin":6.11,"precip":2.03,"corrected":false,"issuedAt":"2026-10-30T08:27:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-29","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-29"},"observations":[{"obsTimeUtc":"2026-10-29T07:53:00.000Z","obsTimeLocal":"2026-10-29T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290753Z 14007KT 10SM -RA BKN035 BKN042 OVC048 07/04 A3002 RMK AO2 RAB18 SLP172 P0001 T00670044 401220067","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T08:53:00.000Z","obsTimeLocal":"2026-10-29T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290853Z 14006KT 10SM -RA BKN034 OVC043 07/05 A3002 RMK AO2 SLP173 P0001 60002 T00670050 55000","temp":6.7,"dewpoint":5,"humidity":89,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T09:53:00.000Z","obsTimeLocal":"2026-10-29T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290953Z 13006KT 9SM -RA OVC031 07/06 A3002 RMK AO2 RAE00B24 SLP172 P0002 T00720056","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T10:53:00.000Z","obsTimeLocal":"2026-10-29T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291053Z 12006KT 10SM BKN033 OVC041 07/04 A3001 RMK AO2 RAE11 SLP168 P0000 T00670044","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T11:53:00.000Z","obsTimeLocal":"2026-10-29T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291153Z 13006KT 10SM BKN035 BKN045 BKN100 07/04 A3000 RMK AO2 SLP166 60004 70008 T00670044 10072 20061 58007","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T12:53:00.000Z","obsTimeLocal":"2026-10-29T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291253Z 11007KT 10SM -RA SCT035 BKN047 OVC055 07/04 A3000 RMK AO2 RAB29 SLP166 P0000 T00670044","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T13:53:00.000Z","obsTimeLocal":"2026-10-29T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291353Z 12007KT 10SM BKN041 BKN055 BKN075 06/04 A2999 RMK AO2 RAE11 SLP164 P0001 T00610044","temp":6.1,"dewpoint":4.4,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T14:53:00.000Z","obsTimeLocal":"2026-10-29T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291453Z 12006KT 10SM FEW050 BKN075 BKN140 07/04 A2998 RMK AO2 SLP161 60001 T00670039 58006 $","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T15:53:00.000Z","obsTimeLocal":"2026-10-29T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291553Z 14006KT 10SM FEW050 SCT065 BKN100 BKN140 07/03 A2999 RMK AO2 SLP164 T00670033 $","temp":6.7,"dewpoint":3.3,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T16:53:00.000Z","obsTimeLocal":"2026-10-29T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291653Z 15008KT 8SM -RA SCT032 BKN048 BKN080 BKN130 07/04 A3000 RMK AO2 RAB40 SLP166 P0000 T00670039","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":4.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T17:53:00.000Z","obsTimeLocal":"2026-10-29T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291753Z 12005KT 6SM -RA SCT036 BKN042 BKN080 08/04 A2999 RMK AO2 RAE12B44 SLP164 P0001 60002 T00780044 10078 20061 50003","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":2.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T18:53:00.000Z","obsTimeLocal":"2026-10-29T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291853Z 11006KT 10SM FEW020 BKN047 BKN070 09/04 A2999 RMK AO2 RAE08 SLP163 P0001 T00890044","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T19:53:00.000Z","obsTimeLocal":"2026-10-29T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 291953Z 12009KT 10SM FEW025 BKN042 BKN080 BKN150 11/06 A2998 RMK AO2 SLP158 T01060056","temp":10.6,"dewpoint":5.6,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T20:53:00.000Z","obsTimeLocal":"2026-10-29T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 292053Z 15007KT 10SM FEW035 SCT060 BKN080 BKN150 12/04 A2996 RMK AO2 SLP153 60001 T01220039 58010","temp":12.2,"dewpoint":3.9,"humidity":57,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T21:53:00.000Z","obsTimeLocal":"2026-10-29T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 292153Z 19005KT 10SM FEW034 SCT065 BKN110 BKN150 13/04 A2995 RMK AO2 SLP148 T01280039","temp":12.8,"dewpoint":3.9,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T22:53:00.000Z","obsTimeLocal":"2026-10-29T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 292253Z VRB04KT 10SM FEW040 SCT070 BKN120 12/04 A2995 RMK AO2 SLP148 T01170039","temp":11.7,"dewpoint":3.9,"humidity":59,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T23:53:00.000Z","obsTimeLocal":"2026-10-29T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 292353Z 29003KT 10SM FEW043 BKN070 BKN100 11/06 A2994 RMK AO2 RAB24E35 SLP146 P0000 60001 T01060056 10128 20072 56007","temp":10.6,"dewpoint":5.6,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T00:53:00.000Z","obsTimeLocal":"2026-10-29T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300053Z 28007KT 10SM -RA SCT039 BKN045 OVC060 09/06 A2995 RMK AO2 RAB45 SLP150 P0000 T00940061","temp":9.4,"dewpoint":6.1,"humidity":80,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T01:53:00.000Z","obsTimeLocal":"2026-10-29T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300153Z 31004KT 10SM -RA SCT040 BKN050 OVC110 07/06 A2996 RMK AO2 RAE36B53 SLP155 P0000 T00720061","temp":7.2,"dewpoint":6.1,"humidity":93,"wind":2.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T02:53:00.000Z","obsTimeLocal":"2026-10-29T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300253Z 00000KT 10SM BKN044 OVC055 08/06 A2996 RMK AO2 RAE53 SLP153 P0001 60001 T00780061 50006","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T03:53:00.000Z","obsTimeLocal":"2026-10-29T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300353Z 01004KT 10SM BKN065 BKN085 07/06 A2995 RMK AO2 SLP149 T00720061","temp":7.2,"dewpoint":6.1,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T04:53:00.000Z","obsTimeLocal":"2026-10-29T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300453Z 03004KT 10SM OVC070 08/06 A2995 RMK AO2 RAB24E33 SLP151 P0000 T00830056","temp":8.3,"dewpoint":5.6,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T05:53:00.000Z","obsTimeLocal":"2026-10-29T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300553Z 00000KT 10SM SCT055 BKN065 OVC085 07/06 A2995 RMK AO2 SLP151 60001 T00720061 10106 20067 56002","temp":7.2,"dewpoint":6.1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T06:53:00.000Z","obsTimeLocal":"2026-10-29T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 300653Z 02004KT 10SM BKN055 BKN070 08/06 A2994 RMK AO2 SLP147 T00780061","temp":7.8,"dewpoint":6.1,"humidity":89,"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/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/2026-10-29","json":"https://weathermarket.io/api/station/KSEA/2026-10-29","record":"https://weathermarket.io/api/station/KSEA/2026-10-29?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-28","next":"https://weathermarket.io/station/KSEA/2026-10-30","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=29&year2=2026&month2=10&day2=31&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=29&hora=7&anof=2026&mesf=10&dayf=30&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}