{"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":"2026-10-07","window":{"date":"2026-10-07","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-07T07:00:00.000Z","dayEndUtc":"2026-10-08T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":18.9,"tmaxAt":"2026-10-07T22:53:00.000Z","tmin":11.7,"tminAt":"2026-10-07T07:16:00.000Z","tavg":14,"humidityMean":86.7,"windMean":3.2,"windMax":5.1,"windMaxAt":"2026-10-07T10:58:00.000Z","precipObservedCount":0,"nObservations":33,"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":"2026-10-07T22:53:00.000Z","obsTimeLocal":"2026-10-07T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 072253Z 34004KT 10SM FEW025 FEW230 19/12 A3010 RMK AO2 SLP198 T01890122","temp":18.9,"dewpoint":12.2,"humidity":65,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-07T07:16:00.000Z","obsTimeLocal":"2026-10-07T00:16:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070716Z 34007KT 1/4SM R16L/1600V3000FT FG VV001 12/12 A3014 RMK AO2 TWR VIS 1/4 T01170117","temp":11.7,"dewpoint":11.7,"humidity":100,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-07T10:58:00.000Z","obsTimeLocal":"2026-10-07T03:58:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071058Z 03010KT 4SM BR OVC003 12/12 A3013 RMK AO2 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-08T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e595efaad2131c09","lastChangedAt":"2026-10-08T06:55:38.191Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-07?format=record","status":"anchored","sha256":"515b60330436780ddc83795dd9f2ffa0c4b9c883ada2c3155ec8b8b0a7706eca","revision":"e595efaad2131c09","flareTxHash":"0x8fad5a4fa5875e529f7338679b6aa9063f784720b1bf4b750cdda5b29de527da","flareBlock":71608998,"anchoredAt":"2026-10-08T10:02:04.472Z","explorer":"https://flare-explorer.flare.network/tx/0x8fad5a4fa5875e529f7338679b6aa9063f784720b1bf4b750cdda5b29de527da","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":33,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-07T22:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-07T07:16:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.9,"tmin":11.7,"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":19.44,"tmin":11.67,"precip":0,"corrected":false,"issuedAt":"2026-10-08T08:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-07","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-07"},"observations":[{"obsTimeUtc":"2026-10-07T07:16:00.000Z","obsTimeLocal":"2026-10-07T00:16:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070716Z 34007KT 1/4SM R16L/1600V3000FT FG VV001 12/12 A3014 RMK AO2 TWR VIS 1/4 T01170117","temp":11.7,"dewpoint":11.7,"humidity":100,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T07:53:00.000Z","obsTimeLocal":"2026-10-07T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070753Z 36008KT 1/4SM R16L/P6000FT BR OVC001 12/12 A3014 RMK AO2 SFC VIS 2 1/2 SLP211 T01220117 401890111","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T08:07:00.000Z","obsTimeLocal":"2026-10-07T01:07:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070807Z 35007KT 1 1/2SM BR OVC002 12/12 A3014 RMK AO2 SFC VIS 4 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T08:34:00.000Z","obsTimeLocal":"2026-10-07T01:34:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070834Z 36007KT 3SM BR OVC005 12/12 A3014 RMK AO2 SFC VIS 6 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T08:53:00.000Z","obsTimeLocal":"2026-10-07T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070853Z 02006KT 6SM BR BKN005 OVC010 12/12 A3013 RMK AO2 SLP209 T01220117 58002","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T09:53:00.000Z","obsTimeLocal":"2026-10-07T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070953Z 35005KT 5SM BR OVC005 13/12 A3014 RMK AO2 SLP210 T01280117","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T10:20:00.000Z","obsTimeLocal":"2026-10-07T03:20:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071020Z 03006KT 3SM BR OVC003 13/12 A3014 RMK AO2 T01280117","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T10:25:00.000Z","obsTimeLocal":"2026-10-07T03:25:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071025Z 03007KT 2 1/2SM BR OVC001 13/12 A3013 RMK AO2 T01280117","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T10:53:00.000Z","obsTimeLocal":"2026-10-07T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071053Z 03008KT 2 1/2SM BR OVC001 12/12 A3013 RMK AO2 SLP209 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T10:58:00.000Z","obsTimeLocal":"2026-10-07T03:58:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071058Z 03010KT 4SM BR OVC003 12/12 A3013 RMK AO2 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T11:53:00.000Z","obsTimeLocal":"2026-10-07T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071153Z 04007KT 6SM BR OVC003 12/12 A3013 RMK AO2 SLP210 T01220117 10128 20111 51000","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T12:53:00.000Z","obsTimeLocal":"2026-10-07T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071253Z 04008KT 6SM BR OVC003 12/11 A3014 RMK AO2 SLP210 T01220111","temp":12.2,"dewpoint":11.1,"humidity":93,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T13:53:00.000Z","obsTimeLocal":"2026-10-07T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071353Z 02008KT 6SM BR OVC003 13/12 A3014 RMK AO2 SLP212 T01280117 $","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T14:53:00.000Z","obsTimeLocal":"2026-10-07T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071453Z 03007KT 6SM BR OVC004 13/12 A3015 RMK AO2 SLP216 T01280117 53005 $","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T15:53:00.000Z","obsTimeLocal":"2026-10-07T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071553Z 03007KT 6SM BR OVC004 13/11 A3016 RMK AO2 SLP220 T01280111","temp":12.8,"dewpoint":11.1,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T16:53:00.000Z","obsTimeLocal":"2026-10-07T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071653Z 03006KT 5SM BR OVC004 13/12 A3016 RMK AO2 SLP220 T01280117","temp":12.8,"dewpoint":11.7,"humidity":93,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T17:31:00.000Z","obsTimeLocal":"2026-10-07T10:31:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071731Z 01008KT 8SM OVC005 13/12 A3016 RMK AO2 CIG 004V007 T01330117","temp":13.3,"dewpoint":11.7,"humidity":90,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T17:53:00.000Z","obsTimeLocal":"2026-10-07T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071753Z 03009KT 7SM BKN006 OVC008 14/12 A3016 RMK AO2 SLP219 T01390117 10139 20122 50004","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T18:53:00.000Z","obsTimeLocal":"2026-10-07T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071853Z 04007KT 9SM BKN007 OVC009 14/12 A3015 RMK AO2 SLP217 T01440117","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T19:12:00.000Z","obsTimeLocal":"2026-10-07T12:12:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071912Z 02007KT 10SM SCT007 BKN010 16/12 A3015 RMK AO2 T01560117","temp":15.6,"dewpoint":11.7,"humidity":78,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T19:32:00.000Z","obsTimeLocal":"2026-10-07T12:32:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 071932Z 03007KT 10SM FEW009 SCT011 BKN230 16/12 A3015 RMK AO2 SCT011 V BKN T01610117","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T19:53:00.000Z","obsTimeLocal":"2026-10-07T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 071953Z VRB04KT 10SM FEW010 SCT230 16/12 A3014 RMK AO2 SLP212 T01610117","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T20:53:00.000Z","obsTimeLocal":"2026-10-07T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 072053Z 04006KT 10SM FEW015 SCT230 18/12 A3013 RMK AO2 SLP208 T01780117 58010","temp":17.8,"dewpoint":11.7,"humidity":67,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T21:53:00.000Z","obsTimeLocal":"2026-10-07T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 072153Z 30004KT 10SM FEW020 SCT230 18/12 A3011 RMK AO2 SLP200 T01830122","temp":18.3,"dewpoint":12.2,"humidity":68,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T22:53:00.000Z","obsTimeLocal":"2026-10-07T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 072253Z 34004KT 10SM FEW025 FEW230 19/12 A3010 RMK AO2 SLP198 T01890122","temp":18.9,"dewpoint":12.2,"humidity":65,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T23:53:00.000Z","obsTimeLocal":"2026-10-07T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 072353Z 34007KT 10SM FEW025 FEW230 19/12 A3010 RMK AO2 SLP197 T01890117 10194 20139 56011","temp":18.9,"dewpoint":11.7,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T00:53:00.000Z","obsTimeLocal":"2026-10-07T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080053Z 29004KT 10SM FEW025 FEW230 18/12 A3009 RMK AO2 SLP196 T01830122","temp":18.3,"dewpoint":12.2,"humidity":68,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T01:53:00.000Z","obsTimeLocal":"2026-10-07T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080153Z 30003KT 10SM FEW250 16/12 A3009 RMK AO2 SLP196 T01560122","temp":15.6,"dewpoint":12.2,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T02:53:00.000Z","obsTimeLocal":"2026-10-07T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080253Z 32003KT 10SM FEW250 14/12 A3011 RMK AO2 SLP202 T01390117 53005","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T03:53:00.000Z","obsTimeLocal":"2026-10-07T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080353Z 33005KT 10SM FEW250 14/12 A3011 RMK AO2 SLP203 T01390117","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T04:53:00.000Z","obsTimeLocal":"2026-10-07T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080453Z 35005KT 10SM FEW250 14/12 A3012 RMK AO2 SLP206 T01390117","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T05:53:00.000Z","obsTimeLocal":"2026-10-07T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080553Z 35005KT 9SM FEW250 13/11 A3012 RMK AO2 SLP205 T01280111 10189 20128 50002","temp":12.8,"dewpoint":11.1,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T06:53:00.000Z","obsTimeLocal":"2026-10-07T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 080653Z 00000KT 8SM CLR 12/11 A3012 RMK AO2 SLP205 T01220111","temp":12.2,"dewpoint":11.1,"humidity":93,"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/2026-10-07","json":"https://weathermarket.io/api/station/KSEA/2026-10-07","record":"https://weathermarket.io/api/station/KSEA/2026-10-07?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-06","next":"https://weathermarket.io/station/KSEA/2026-10-08","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=7&year2=2026&month2=10&day2=9&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=7&hora=7&anof=2026&mesf=10&dayf=8&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}