{"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":"2026-11-01","window":{"date":"2026-11-01","timezone":"America/Los_Angeles","dayStartUtc":"2026-11-01T07:00:00.000Z","dayEndUtc":"2026-11-02T08:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-08:00","hours":25},"complete":true,"values":{"tmax":8.9,"tmaxAt":"2026-11-01T21:53:00.000Z","tmin":3.3,"tminAt":"2026-11-02T07:53:00.000Z","tavg":7.4,"humidityMean":83.8,"windMean":1.6,"windMax":3.6,"windMaxAt":"2026-11-01T07:53:00.000Z","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":"2026-11-01T21:53:00.000Z","obsTimeLocal":"2026-11-01T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 012153Z 02004KT 10SM BKN014 OVC020 09/04 A3010 RMK AO2 SLP198 T00890044 $","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-02T07:53:00.000Z","obsTimeLocal":"2026-11-01T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020753Z 00000KT 8SM CLR 03/03 A3020 RMK AO2 SLP234 T00330028 400890033 $","temp":3.3,"dewpoint":2.8,"humidity":97,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-01T07:53:00.000Z","obsTimeLocal":"2026-11-01T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 010753Z 04007KT 10SM OVC011 08/06 A2999 RMK AO2 SLP162 T00830061 401220011 $","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-02T11:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0828d989db1bbe49","lastChangedAt":"2026-11-02T07:56:38.815Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-11-01?format=record","status":"anchored","sha256":"a8002698b20bf0b2745478388d397233a5f75fde0b69fcc3498c65d97f808559","revision":"0828d989db1bbe49","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":"2026-11-01T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-02T07:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":8.9,"tmin":3.3,"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":8.89,"tmin":3.33,"precip":0,"corrected":false,"issuedAt":"2026-11-02T09:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-11-01","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-11-01"},"observations":[{"obsTimeUtc":"2026-11-01T07:53:00.000Z","obsTimeLocal":"2026-11-01T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 010753Z 04007KT 10SM OVC011 08/06 A2999 RMK AO2 SLP162 T00830061 401220011 $","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T08:53:00.000Z","obsTimeLocal":"2026-11-01T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 010853Z 07005KT 10SM OVC013 08/06 A2998 RMK AO2 SLP160 T00780061 50002 $","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T09:53:00.000Z","obsTimeLocal":"2026-11-01T01:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 010953Z 10004KT 10SM OVC012 08/06 A2998 RMK AO2 SLP160 T00780056 $","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T10:53:00.000Z","obsTimeLocal":"2026-11-01T02:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011053Z 00000KT 10SM OVC011 08/06 A2999 RMK AO2 SLP162 T00780056 $","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T11:53:00.000Z","obsTimeLocal":"2026-11-01T03:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011153Z 00000KT 10SM OVC013 08/06 A3000 RMK AO2 SLP167 T00780056 10083 20056 53006 $","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T12:53:00.000Z","obsTimeLocal":"2026-11-01T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011253Z 08004KT 10SM OVC013 08/06 A3001 RMK AO2 SLP169 CIG 011V018 T00780056 $","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T13:53:00.000Z","obsTimeLocal":"2026-11-01T05:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011353Z 00000KT 10SM OVC010 07/06 A3003 RMK AO2 SLP176 T00720056 $","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T14:53:00.000Z","obsTimeLocal":"2026-11-01T06:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011453Z 07003KT 10SM BKN010 OVC014 07/06 A3004 RMK AO2 SLP180 T00720056 53012 $","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T15:53:00.000Z","obsTimeLocal":"2026-11-01T07:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011553Z 07004KT 9SM BKN010 OVC014 08/05 A3006 RMK AO2 SLP187 T00780050 $","temp":7.8,"dewpoint":5,"humidity":82,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T16:10:00.000Z","obsTimeLocal":"2026-11-01T08:10:00-08:00","metarType":"SPECI","raw":"SPECI KSEA 011610Z 06005KT 10SM SCT007 OVC012 08/06 A3006 RMK AO2 T00780056 $","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T16:53:00.000Z","obsTimeLocal":"2026-11-01T08:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011653Z 01003KT 10SM OVC014 08/05 A3007 RMK AO2 SLP191 T00780050 $","temp":7.8,"dewpoint":5,"humidity":82,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T17:53:00.000Z","obsTimeLocal":"2026-11-01T09:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011753Z 01003KT 10SM OVC014 08/05 A3007 RMK AO2 SLP192 T00780050 10083 20072 51012 $","temp":7.8,"dewpoint":5,"humidity":82,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T18:53:00.000Z","obsTimeLocal":"2026-11-01T10:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011853Z VRB03KT 10SM OVC014 08/04 A3009 RMK AO2 SLP195 T00830044 $","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T19:53:00.000Z","obsTimeLocal":"2026-11-01T11:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 011953Z 32003KT 10SM OVC015 08/04 A3009 RMK AO2 SLP195 T00830044 $","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T20:53:00.000Z","obsTimeLocal":"2026-11-01T12:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 012053Z 32005KT 10SM OVC014 08/04 A3009 RMK AO2 SLP198 T00830044 51007 $","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T21:53:00.000Z","obsTimeLocal":"2026-11-01T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 012153Z 02004KT 10SM BKN014 OVC020 09/04 A3010 RMK AO2 SLP198 T00890044 $","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T22:53:00.000Z","obsTimeLocal":"2026-11-01T14:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 012253Z 30004KT 10SM BKN014 09/04 A3011 RMK AO2 SLP204 T00890044 $","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T23:53:00.000Z","obsTimeLocal":"2026-11-01T15:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 012353Z 03004KT 10SM SCT016 BKN025 09/04 A3012 RMK AO2 SLP207 T00890044 10089 20078 53009 $","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T00:53:00.000Z","obsTimeLocal":"2026-11-01T16:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020053Z 05004KT 10SM BKN016 08/04 A3014 RMK AO2 SLP215 T00780044 $","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T01:53:00.000Z","obsTimeLocal":"2026-11-01T17:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020153Z 09003KT 10SM FEW016 08/04 A3015 RMK AO2 SLP218 T00780044 $","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T02:53:00.000Z","obsTimeLocal":"2026-11-01T18:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020253Z 10003KT 10SM CLR 07/04 A3016 RMK AO2 SLP221 T00670044 51013 $","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T03:53:00.000Z","obsTimeLocal":"2026-11-01T19:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020353Z 00000KT 10SM CLR 06/04 A3017 RMK AO2 SLP225 T00560039 $","temp":5.6,"dewpoint":3.9,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T04:53:00.000Z","obsTimeLocal":"2026-11-01T20:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020453Z 00000KT 9SM CLR 07/04 A3018 RMK AO2 SLP230 T00670044 $","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T05:53:00.000Z","obsTimeLocal":"2026-11-01T21:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020553Z 15005KT 9SM CLR 05/04 A3020 RMK AO2 SLP234 T00500039 10089 20050 52013 $","temp":5,"dewpoint":3.9,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T06:53:00.000Z","obsTimeLocal":"2026-11-01T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020653Z 13004KT 10SM CLR 04/03 A3019 RMK AO2 SLP230 T00440033 $","temp":4.4,"dewpoint":3.3,"humidity":93,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T07:53:00.000Z","obsTimeLocal":"2026-11-01T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 020753Z 00000KT 8SM CLR 03/03 A3020 RMK AO2 SLP234 T00330028 400890033 $","temp":3.3,"dewpoint":2.8,"humidity":97,"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/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/2026-11-01","json":"https://weathermarket.io/api/station/KSEA/2026-11-01","record":"https://weathermarket.io/api/station/KSEA/2026-11-01?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-31","next":"https://weathermarket.io/station/KSEA/2026-11-02","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=11&day1=1&year2=2026&month2=11&day2=3&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=11&day=1&hora=7&anof=2026&mesf=11&dayf=2&horaf=7&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}