{"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":"2026-11-11","window":{"date":"2026-11-11","timezone":"America/Los_Angeles","dayStartUtc":"2026-11-11T08:00:00.000Z","dayEndUtc":"2026-11-12T08:00:00.000Z","utcOffsetStart":"-08:00","utcOffsetEnd":"-08:00","hours":24},"complete":true,"values":{"tmax":18.9,"tmaxAt":"2026-11-11T20:53:00.000Z","tmin":11.1,"tminAt":"2026-11-11T12:53:00.000Z","tavg":14.5,"humidityMean":73.9,"windMean":3.4,"windMax":5.7,"windMaxAt":"2026-11-11T11:53:00.000Z","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":"2026-11-11T20:53:00.000Z","obsTimeLocal":"2026-11-11T12:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 112053Z 20007KT 10SM FEW055 SCT080 SCT160 BKN230 19/11 A2995 RMK AO2 SLP149 T01890106 58009","temp":18.9,"dewpoint":10.6,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-11T12:53:00.000Z","obsTimeLocal":"2026-11-11T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111253Z 13008KT 10SM SCT050 BKN220 11/09 A2996 RMK AO2 SLP153 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-11T11:53:00.000Z","obsTimeLocal":"2026-11-11T03:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111153Z 12011KT 10SM FEW022 FEW050 BKN240 12/09 A2999 RMK AO2 SLP160 70096 T01220089 10139 20106 58004 $","temp":12.2,"dewpoint":8.9,"humidity":80,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-12T11:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"e6c7818094d196a2","lastChangedAt":"2026-11-12T07:56:47.254Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-11-11?format=record","status":"anchored","sha256":"6bf524080ff7e97ed50c760efe200560355a7fa33795194312c2288dae0b9fef","revision":"e6c7818094d196a2","flareTxHash":"0x9ce0d1b578ce3430582b168ea83f09cebd6872d97ea02cee1813d89c8069cc45","flareBlock":74353887,"anchoredAt":"2026-11-12T11:01:13.010Z","explorer":"https://flare-explorer.flare.network/tx/0x9ce0d1b578ce3430582b168ea83f09cebd6872d97ea02cee1813d89c8069cc45","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":"2026-11-11T20:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-11T12:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.9,"tmin":11.1,"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":19.44,"tmin":11.11,"precip":0,"corrected":false,"issuedAt":"2026-11-12T09:28:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-11-11","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-11-11"},"observations":[{"obsTimeUtc":"2026-11-11T08:53:00.000Z","obsTimeLocal":"2026-11-11T00:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 110853Z 15009G17KT 10SM SCT022 14/11 A3000 RMK AO2 SLP164 T01390106 50007 $","temp":13.9,"dewpoint":10.6,"humidity":81,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T09:53:00.000Z","obsTimeLocal":"2026-11-11T01:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 110953Z 11006KT 10SM FEW022 SCT090 SCT250 12/09 A3000 RMK AO2 SLP165 T01170094 $","temp":11.7,"dewpoint":9.4,"humidity":86,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T10:53:00.000Z","obsTimeLocal":"2026-11-11T02:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111053Z 13009KT 10SM FEW022 BKN220 12/09 A2999 RMK AO2 SLP163 T01220094 $","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T11:53:00.000Z","obsTimeLocal":"2026-11-11T03:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111153Z 12011KT 10SM FEW022 FEW050 BKN240 12/09 A2999 RMK AO2 SLP160 70096 T01220089 10139 20106 58004 $","temp":12.2,"dewpoint":8.9,"humidity":80,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T12:53:00.000Z","obsTimeLocal":"2026-11-11T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111253Z 13008KT 10SM SCT050 BKN220 11/09 A2996 RMK AO2 SLP153 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T13:53:00.000Z","obsTimeLocal":"2026-11-11T05:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111353Z 13007KT 10SM FEW050 BKN240 12/08 A2996 RMK AO2 SLP152 T01170083 $","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T14:53:00.000Z","obsTimeLocal":"2026-11-11T06:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111453Z 13007KT 10SM FEW060 SCT210 BKN250 12/08 A2996 RMK AO2 SLP152 T01220083 56009 $","temp":12.2,"dewpoint":8.3,"humidity":77,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T15:53:00.000Z","obsTimeLocal":"2026-11-11T07:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111553Z 15008KT 10SM SCT060 SCT220 BKN250 14/08 A2996 RMK AO2 SLP153 T01390083 $","temp":13.9,"dewpoint":8.3,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T16:53:00.000Z","obsTimeLocal":"2026-11-11T08:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111653Z 00000KT 10SM SCT060 BKN240 13/10 A2999 RMK AO2 SLP160 T01330100 $","temp":13.3,"dewpoint":10,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T17:53:00.000Z","obsTimeLocal":"2026-11-11T09:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111753Z 17005KT 10SM FEW060 BKN220 13/09 A2998 RMK AO2 SLP159 T01330094 10150 20111 50007 $","temp":13.3,"dewpoint":9.4,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T18:53:00.000Z","obsTimeLocal":"2026-11-11T10:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111853Z 14006KT 10SM FEW040 SCT060 SCT160 BKN230 16/09 A2998 RMK AO2 SLP157 T01560094 $","temp":15.6,"dewpoint":9.4,"humidity":67,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T19:53:00.000Z","obsTimeLocal":"2026-11-11T11:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 111953Z 14008KT 10SM FEW050 SCT070 SCT170 BKN240 17/09 A2997 RMK AO2 SLP154 T01670094 $","temp":16.7,"dewpoint":9.4,"humidity":62,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T20:53:00.000Z","obsTimeLocal":"2026-11-11T12:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 112053Z 20007KT 10SM FEW055 SCT080 SCT160 BKN230 19/11 A2995 RMK AO2 SLP149 T01890106 58009","temp":18.9,"dewpoint":10.6,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T21:53:00.000Z","obsTimeLocal":"2026-11-11T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 112153Z 21009KT 10SM FEW055 SCT100 BKN220 18/11 A2995 RMK AO2 SLP147 T01780111","temp":17.8,"dewpoint":11.1,"humidity":65,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T22:53:00.000Z","obsTimeLocal":"2026-11-11T14:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 112253Z 15007KT 10SM FEW060 SCT120 BKN240 18/11 A2994 RMK AO2 SLP144 T01780106","temp":17.8,"dewpoint":10.6,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T23:53:00.000Z","obsTimeLocal":"2026-11-11T15:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 112353Z 20005KT 10SM SCT060 BKN120 OVC240 18/11 A2994 RMK AO2 SLP143 T01780106 10194 20133 57006","temp":17.8,"dewpoint":10.6,"humidity":63,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T00:53:00.000Z","obsTimeLocal":"2026-11-11T16:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120053Z 18006KT 10SM SCT140 OVC200 16/11 A2994 RMK AO2 SLP144 T01610106","temp":16.1,"dewpoint":10.6,"humidity":70,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T01:53:00.000Z","obsTimeLocal":"2026-11-11T17:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120153Z 19005KT 10SM OVC200 16/11 A2993 RMK AO2 SLP141 T01560106","temp":15.6,"dewpoint":10.6,"humidity":72,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T02:53:00.000Z","obsTimeLocal":"2026-11-11T18:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120253Z 20008KT 10SM BKN070 BKN200 16/11 A2994 RMK AO2 SLP143 T01560106 55000","temp":15.6,"dewpoint":10.6,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T03:53:00.000Z","obsTimeLocal":"2026-11-11T19:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120353Z 19003KT 10SM FEW070 BKN200 15/11 A2993 RMK AO2 SLP140 T01500106","temp":15,"dewpoint":10.6,"humidity":75,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T04:53:00.000Z","obsTimeLocal":"2026-11-11T20:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120453Z 15005KT 10SM BKN200 15/11 A2993 RMK AO2 SLP140 T01500106","temp":15,"dewpoint":10.6,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T05:53:00.000Z","obsTimeLocal":"2026-11-11T21:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120553Z 16007KT 10SM BKN200 14/11 A2993 RMK AO2 SLP140 T01440106 10178 20139 56003","temp":14.4,"dewpoint":10.6,"humidity":78,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T06:53:00.000Z","obsTimeLocal":"2026-11-11T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120653Z 13007KT 10SM OVC200 13/09 A2992 RMK AO2 SLP137 T01330094","temp":13.3,"dewpoint":9.4,"humidity":77,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T07:53:00.000Z","obsTimeLocal":"2026-11-11T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120753Z 14007KT 10SM OVC200 13/09 A2991 RMK AO2 SLP134 T01330094 401940111","temp":13.3,"dewpoint":9.4,"humidity":77,"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/2026-11-11","json":"https://weathermarket.io/api/station/KSEA/2026-11-11","record":"https://weathermarket.io/api/station/KSEA/2026-11-11?format=record","prev":"https://weathermarket.io/station/KSEA/2026-11-10","next":"https://weathermarket.io/station/KSEA/2026-11-12","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=11&day1=11&year2=2026&month2=11&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=11&day=11&hora=8&anof=2026&mesf=11&dayf=12&horaf=7&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}