{"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":"2026-10-11","window":{"date":"2026-10-11","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-11T07:00:00.000Z","dayEndUtc":"2026-10-12T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":15,"tmaxAt":"2026-10-11T20:53:00.000Z","tmin":6.7,"tminAt":"2026-10-11T09:53:00.000Z","tavg":10.8,"humidityMean":66.9,"windMean":3.7,"windMax":6.7,"windMaxAt":"2026-10-11T19:53:00.000Z","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":"2026-10-11T20:53:00.000Z","obsTimeLocal":"2026-10-11T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 112053Z 35013G19KT 10SM FEW020 FEW050 15/03 A2994 RMK AO2 SLP143 T01500033 58005","temp":15,"dewpoint":3.3,"humidity":45,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-11T09:53:00.000Z","obsTimeLocal":"2026-10-11T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 110953Z 10004KT 10SM CLR 07/06 A2993 RMK AO2 SLP141 T00670056","temp":6.7,"dewpoint":5.6,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-11T19:53:00.000Z","obsTimeLocal":"2026-10-11T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111953Z 02013G21KT 10SM FEW020 FEW060 14/04 A2994 RMK AO2 SLP146 T01440039","temp":14.4,"dewpoint":3.9,"humidity":49,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-12T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"367fd29cae51ca00","lastChangedAt":"2026-10-12T06:56:40.632Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-11?format=record","status":"anchored","sha256":"c08b87b810371fb8bac263d741905d2a94398affcb570ca6761183504489f826","revision":"367fd29cae51ca00","flareTxHash":"0x9716f2f92c4534e613e96cf387bbffac92a2e0488dee7295f3f8e4d9017f07fe","flareBlock":71923733,"anchoredAt":"2026-10-12T10:01:19.339Z","explorer":"https://flare-explorer.flare.network/tx/0x9716f2f92c4534e613e96cf387bbffac92a2e0488dee7295f3f8e4d9017f07fe","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":"2026-10-11T20:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-11T09:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":15,"tmin":6.7,"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":15.56,"tmin":6.11,"precip":0,"corrected":false,"issuedAt":"2026-10-12T08:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-11","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-11"},"observations":[{"obsTimeUtc":"2026-10-11T07:53:00.000Z","obsTimeLocal":"2026-10-11T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 110753Z 05003KT 10SM CLR 08/07 A2990 RMK AO2 SLP134 T00830067 401440072","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T08:53:00.000Z","obsTimeLocal":"2026-10-11T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 110853Z 07004KT 10SM CLR 08/07 A2991 RMK AO2 SLP136 T00780067 53003","temp":7.8,"dewpoint":6.7,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T09:53:00.000Z","obsTimeLocal":"2026-10-11T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 110953Z 10004KT 10SM CLR 07/06 A2993 RMK AO2 SLP141 T00670056","temp":6.7,"dewpoint":5.6,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T10:53:00.000Z","obsTimeLocal":"2026-10-11T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111053Z 11006KT 10SM OVC110 07/06 A2994 RMK AO2 SLP146 T00720056","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T11:53:00.000Z","obsTimeLocal":"2026-10-11T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111153Z 08004KT 10SM OVC110 07/06 A2994 RMK AO2 SLP147 70005 T00720056 10094 20061 51011","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T12:53:00.000Z","obsTimeLocal":"2026-10-11T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111253Z 06005KT 10SM BKN100 08/06 A2996 RMK AO2 SLP151 T00780056","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T13:53:00.000Z","obsTimeLocal":"2026-10-11T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111353Z 05006KT 10SM BKN100 08/06 A2997 RMK AO2 SLP155 T00780061","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T14:53:00.000Z","obsTimeLocal":"2026-10-11T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111453Z 04005KT 10SM FEW020 SCT100 08/06 A2996 RMK AO2 SLP151 T00780061 50004","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T15:53:00.000Z","obsTimeLocal":"2026-10-11T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111553Z 10004KT 10SM FEW110 09/06 A2996 RMK AO2 SLP152 T00890056","temp":8.9,"dewpoint":5.6,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T16:53:00.000Z","obsTimeLocal":"2026-10-11T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111653Z 03006KT 10SM FEW090 11/06 A2995 RMK AO2 SLP150 T01060061","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T17:53:00.000Z","obsTimeLocal":"2026-10-11T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111753Z 02009G18KT 10SM FEW010 FEW090 12/06 A2995 RMK AO2 SLP149 T01220061 10122 20072 58001","temp":12.2,"dewpoint":6.1,"humidity":66,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T18:53:00.000Z","obsTimeLocal":"2026-10-11T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111853Z 02010KT 10SM FEW010 FEW070 13/06 A2995 RMK AO2 SLP147 T01280056","temp":12.8,"dewpoint":5.6,"humidity":62,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T19:53:00.000Z","obsTimeLocal":"2026-10-11T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 111953Z 02013G21KT 10SM FEW020 FEW060 14/04 A2994 RMK AO2 SLP146 T01440039","temp":14.4,"dewpoint":3.9,"humidity":49,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T20:53:00.000Z","obsTimeLocal":"2026-10-11T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 112053Z 35013G19KT 10SM FEW020 FEW050 15/03 A2994 RMK AO2 SLP143 T01500033 58005","temp":15,"dewpoint":3.3,"humidity":45,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T21:53:00.000Z","obsTimeLocal":"2026-10-11T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 112153Z 35011KT 10SM FEW020 FEW050 15/03 A2993 RMK AO2 SLP141 T01500028","temp":15,"dewpoint":2.8,"humidity":44,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T22:53:00.000Z","obsTimeLocal":"2026-10-11T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 112253Z 02009KT 10SM FEW020 FEW050 15/03 A2992 RMK AO2 SLP139 T01500033","temp":15,"dewpoint":3.3,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T23:53:00.000Z","obsTimeLocal":"2026-10-11T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 112353Z 34010KT 10SM FEW020 FEW050 15/03 A2993 RMK AO2 SLP143 T01500028 10156 20117 55000","temp":15,"dewpoint":2.8,"humidity":44,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T00:53:00.000Z","obsTimeLocal":"2026-10-11T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120053Z 35011KT 10SM FEW050 13/02 A2994 RMK AO2 SLP146 T01330022","temp":13.3,"dewpoint":2.2,"humidity":47,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T01:53:00.000Z","obsTimeLocal":"2026-10-11T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120153Z 36007KT 10SM FEW030 12/01 A2995 RMK AO2 SLP148 T01170011","temp":11.7,"dewpoint":1.1,"humidity":48,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T02:53:00.000Z","obsTimeLocal":"2026-10-11T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120253Z 03008KT 10SM FEW030 12/01 A2996 RMK AO2 SLP151 T01220011 53007","temp":12.2,"dewpoint":1.1,"humidity":47,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T03:53:00.000Z","obsTimeLocal":"2026-10-11T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120353Z 07007KT 10SM CLR 12/02 A2996 RMK AO2 SLP153 T01170017","temp":11.7,"dewpoint":1.7,"humidity":50,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T04:53:00.000Z","obsTimeLocal":"2026-10-11T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120453Z 09006KT 10SM CLR 12/02 A2996 RMK AO2 SLP152 T01170017","temp":11.7,"dewpoint":1.7,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T05:53:00.000Z","obsTimeLocal":"2026-10-11T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120553Z 11006KT 10SM CLR 11/02 A2997 RMK AO2 SLP156 T01110022 10150 20106 53006","temp":11.1,"dewpoint":2.2,"humidity":54,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-12T06:53:00.000Z","obsTimeLocal":"2026-10-11T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 120653Z 12007KT 10SM CLR 08/05 A2998 RMK AO2 SLP158 T00830050","temp":8.3,"dewpoint":5,"humidity":80,"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/2026-10-11","json":"https://weathermarket.io/api/station/KSEA/2026-10-11","record":"https://weathermarket.io/api/station/KSEA/2026-10-11?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-10","next":"https://weathermarket.io/station/KSEA/2026-10-12","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=11&year2=2026&month2=10&day2=13&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=11&hora=7&anof=2026&mesf=10&dayf=12&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}