{"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":"2026-10-23","window":{"date":"2026-10-23","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-23T07:00:00.000Z","dayEndUtc":"2026-10-24T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":14.4,"tmaxAt":"2026-10-23T22:53:00.000Z","tmin":7.2,"tminAt":"2026-10-23T12:53:00.000Z","tavg":10,"humidityMean":74.4,"windMean":1.7,"windMax":4.1,"windMaxAt":"2026-10-24T06:53:00.000Z","precipObservedCount":0,"nObservations":26,"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":"2026-10-23T22:53:00.000Z","obsTimeLocal":"2026-10-23T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 232253Z VRB05KT 10SM FEW038 FEW050 14/03 A3032 RMK AO2 SLP275 T01440028","temp":14.4,"dewpoint":2.8,"humidity":46,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-23T12:53:00.000Z","obsTimeLocal":"2026-10-23T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231253Z 00000KT 10SM BKN050 07/06 A3019 RMK AO2 SLP232 T00720061","temp":7.2,"dewpoint":6.1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-24T06:53:00.000Z","obsTimeLocal":"2026-10-23T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240653Z 13008KT 10SM CLR 07/03 A3032 RMK AO2 SLP275 T00720033","temp":7.2,"dewpoint":3.3,"humidity":76,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-24T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"06a3a2bb24c2937c","lastChangedAt":"2026-10-24T06:57:39.537Z","corrections":[{"obsTimeUtc":"2026-10-23T21:53:00.000Z","correctedAt":"2026-10-23T21:59:38.379Z","original":"METAR KSEA 232153Z 10SM FEW036 SCT050 13/03 A3033 RMK AO2 SLP277 T01330033","corrected":"METAR KSEA 232153Z COR 02004KT 10SM FEW036 SCT050 13/03 A3033 RMK AO2 SLP277 T01330033"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-23?format=record","status":"anchored","sha256":"018bda7b439bffc5908270a8c91715278030bcd76d00507db6fd8dcea1896c40","revision":"06a3a2bb24c2937c","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":26,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-23T22:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-23T12:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":14.4,"tmin":7.2,"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":14.44,"tmin":6.67,"precip":0,"corrected":false,"issuedAt":"2026-10-24T08:25:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-23","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-23"},"observations":[{"obsTimeUtc":"2026-10-23T07:53:00.000Z","obsTimeLocal":"2026-10-23T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230753Z 01005KT 10SM BKN044 08/06 A3011 RMK AO2 SLP202 T00780061 401560078","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T08:53:00.000Z","obsTimeLocal":"2026-10-23T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230853Z 35003KT 10SM BKN046 08/07 A3012 RMK AO2 SLP207 T00830067 53016","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T09:53:00.000Z","obsTimeLocal":"2026-10-23T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230953Z 34005KT 10SM BKN046 08/07 A3015 RMK AO2 SLP215 T00780067","temp":7.8,"dewpoint":6.7,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T10:53:00.000Z","obsTimeLocal":"2026-10-23T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231053Z 00000KT 10SM BKN047 09/07 A3017 RMK AO2 SLP221 T00890072","temp":8.9,"dewpoint":7.2,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T11:53:00.000Z","obsTimeLocal":"2026-10-23T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231153Z 07003KT 10SM BKN043 08/07 A3018 RMK AO2 SLP226 T00830067 10100 20067 51018","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T12:53:00.000Z","obsTimeLocal":"2026-10-23T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231253Z 00000KT 10SM BKN050 07/06 A3019 RMK AO2 SLP232 T00720061","temp":7.2,"dewpoint":6.1,"humidity":93,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T13:53:00.000Z","obsTimeLocal":"2026-10-23T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231353Z 00000KT 10SM SCT035 BKN055 08/07 A3022 RMK AO2 SLP240 T00830067","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T14:53:00.000Z","obsTimeLocal":"2026-10-23T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231453Z 00000KT 10SM FEW025 BKN030 BKN046 09/07 A3024 RMK AO2 SLP248 T00890072 53022","temp":8.9,"dewpoint":7.2,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T15:53:00.000Z","obsTimeLocal":"2026-10-23T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231553Z 32004KT 10SM FEW020 BKN030 BKN046 09/07 A3027 RMK AO2 SLP258 CIG 027V033 T00940067","temp":9.4,"dewpoint":6.7,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T16:42:00.000Z","obsTimeLocal":"2026-10-23T09:42:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 231642Z 34005KT 10SM FEW019 BKN026 BKN043 10/06 A3029 RMK AO2 T01000056","temp":10,"dewpoint":5.6,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T16:53:00.000Z","obsTimeLocal":"2026-10-23T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231653Z 33003KT 10SM SCT019 BKN024 BKN043 10/06 A3029 RMK AO2 SLP266 T01000056","temp":10,"dewpoint":5.6,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T17:35:00.000Z","obsTimeLocal":"2026-10-23T10:35:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 231735Z 31005KT 10SM FEW019 SCT023 BKN042 11/06 A3030 RMK AO2 T01060061","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T17:53:00.000Z","obsTimeLocal":"2026-10-23T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231753Z 33005KT 10SM FEW019 SCT023 BKN042 11/06 A3031 RMK AO2 SLP270 T01060061 10106 20072 51021","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T18:53:00.000Z","obsTimeLocal":"2026-10-23T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231853Z 07005KT 10SM SCT017 SCT025 BKN042 11/07 A3033 RMK AO2 SLP278 SCT025 V BKN T01110067","temp":11.1,"dewpoint":6.7,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T19:53:00.000Z","obsTimeLocal":"2026-10-23T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 231953Z 00000KT 10SM SCT024 BKN032 BKN044 12/06 A3033 RMK AO2 SLP280 T01170061","temp":11.7,"dewpoint":6.1,"humidity":69,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T20:53:00.000Z","obsTimeLocal":"2026-10-23T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 232053Z 18003KT 10SM SCT036 BKN050 13/05 A3033 RMK AO2 SLP277 T01330050 50008","temp":13.3,"dewpoint":5,"humidity":57,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T21:53:00.000Z","obsTimeLocal":"2026-10-23T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 232153Z COR 02004KT 10SM FEW036 SCT050 13/03 A3033 RMK AO2 SLP277 T01330033","temp":13.3,"dewpoint":3.3,"humidity":51,"wind":2.1,"precipObserved":false,"correctedAt":"2026-10-23T21:59:38.379Z","originalRaw":"METAR KSEA 232153Z 10SM FEW036 SCT050 13/03 A3033 RMK AO2 SLP277 T01330033"},{"obsTimeUtc":"2026-10-23T22:53:00.000Z","obsTimeLocal":"2026-10-23T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 232253Z VRB05KT 10SM FEW038 FEW050 14/03 A3032 RMK AO2 SLP275 T01440028","temp":14.4,"dewpoint":2.8,"humidity":46,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T23:53:00.000Z","obsTimeLocal":"2026-10-23T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 232353Z 28006KT 10SM FEW040 FEW050 13/04 A3032 RMK AO2 SLP275 T01330044 10144 20106 55002","temp":13.3,"dewpoint":4.4,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T00:53:00.000Z","obsTimeLocal":"2026-10-23T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240053Z 32003KT 10SM FEW050 FEW250 12/04 A3033 RMK AO2 SLP277 T01170039","temp":11.7,"dewpoint":3.9,"humidity":59,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T01:53:00.000Z","obsTimeLocal":"2026-10-23T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240153Z 36003KT 10SM FEW050 FEW250 11/04 A3034 RMK AO2 SLP280 T01110039","temp":11.1,"dewpoint":3.9,"humidity":61,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T02:53:00.000Z","obsTimeLocal":"2026-10-23T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240253Z 00000KT 10SM FEW040 FEW250 10/04 A3034 RMK AO2 SLP280 T01000039 51004","temp":10,"dewpoint":3.9,"humidity":66,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T03:53:00.000Z","obsTimeLocal":"2026-10-23T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240353Z 00000KT 10SM FEW250 10/03 A3033 RMK AO2 SLP279 T01000033","temp":10,"dewpoint":3.3,"humidity":63,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T04:53:00.000Z","obsTimeLocal":"2026-10-23T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240453Z 13006KT 10SM FEW250 08/04 A3033 RMK AO2 SLP280 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T05:53:00.000Z","obsTimeLocal":"2026-10-23T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240553Z 15007KT 10SM CLR 08/04 A3033 RMK AO2 SLP279 T00780039 10133 20078 56001","temp":7.8,"dewpoint":3.9,"humidity":76,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T06:53:00.000Z","obsTimeLocal":"2026-10-23T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 240653Z 13008KT 10SM CLR 07/03 A3032 RMK AO2 SLP275 T00720033","temp":7.2,"dewpoint":3.3,"humidity":76,"wind":4.1,"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/2026-10-23","json":"https://weathermarket.io/api/station/KSEA/2026-10-23","record":"https://weathermarket.io/api/station/KSEA/2026-10-23?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-22","next":"https://weathermarket.io/station/KSEA/2026-10-24","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=23&year2=2026&month2=10&day2=25&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=23&hora=7&anof=2026&mesf=10&dayf=24&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}