{"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":"2026-10-22","window":{"date":"2026-10-22","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-22T07:00:00.000Z","dayEndUtc":"2026-10-23T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":15.6,"tmaxAt":"2026-10-22T21:53:00.000Z","tmin":8.3,"tminAt":"2026-10-22T14:53:00.000Z","tavg":11.2,"humidityMean":74.4,"windMean":3.5,"windMax":7.2,"windMaxAt":"2026-10-22T21:53:00.000Z","precipObservedCount":1,"nObservations":25,"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":"2026-10-22T21:53:00.000Z","obsTimeLocal":"2026-10-22T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222153Z 33014G23KT 10SM FEW030 FEW080 SCT140 BKN230 16/07 A2996 RMK AO2 SLP151 ACSL DSNT SE T01560067","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-22T14:53:00.000Z","obsTimeLocal":"2026-10-22T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221453Z 03006KT 10SM FEW002 FEW130 SCT180 SCT250 08/04 A2992 RMK AO2 SLP138 ACSL DSNT SE T00830044 53006","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-22T21:53:00.000Z","obsTimeLocal":"2026-10-22T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222153Z 33014G23KT 10SM FEW030 FEW080 SCT140 BKN230 16/07 A2996 RMK AO2 SLP151 ACSL DSNT SE T01560067","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-23T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"5085ad359a2f3b72","lastChangedAt":"2026-10-23T06:56:38.701Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-22?format=record","status":"anchored","sha256":"21a343979545b19e08c93c90154d2b7f2922131b7825ac33529522085e5e3fc4","revision":"5085ad359a2f3b72","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-22T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-22T14:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":15.6,"tmin":8.3,"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":15.56,"tmin":7.78,"precip":0,"corrected":false,"issuedAt":"2026-10-23T08:27:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-22","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-22"},"observations":[{"obsTimeUtc":"2026-10-22T07:53:00.000Z","obsTimeLocal":"2026-10-22T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 220753Z 01004KT 10SM SCT250 09/08 A2990 RMK AO2 SLP132 T00940078 401780061 $","temp":9.4,"dewpoint":7.8,"humidity":90,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T08:53:00.000Z","obsTimeLocal":"2026-10-22T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 220853Z 35005KT 10SM SCT250 09/08 A2990 RMK AO2 SLP130 T00890083 58002 $","temp":8.9,"dewpoint":8.3,"humidity":96,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T09:53:00.000Z","obsTimeLocal":"2026-10-22T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 220953Z 00000KT 10SM SCT250 09/08 A2990 RMK AO2 SLP132 T00890083 $","temp":8.9,"dewpoint":8.3,"humidity":96,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T10:53:00.000Z","obsTimeLocal":"2026-10-22T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221053Z 04010KT 10SM SCT250 09/07 A2990 RMK AO2 SLP132 T00940072 $","temp":9.4,"dewpoint":7.2,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T11:53:00.000Z","obsTimeLocal":"2026-10-22T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221153Z 03007KT 10SM BKN250 09/07 A2990 RMK AO2 SLP132 T00940067 10128 20078 51001 $","temp":9.4,"dewpoint":6.7,"humidity":83,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T12:53:00.000Z","obsTimeLocal":"2026-10-22T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221253Z 03007KT 10SM SCT250 09/05 A2990 RMK AO2 SLP131 T00940050 $","temp":9.4,"dewpoint":5,"humidity":74,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T13:53:00.000Z","obsTimeLocal":"2026-10-22T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221353Z 03006KT 10SM FEW130 FEW250 09/05 A2991 RMK AO2 SLP134 T00890050","temp":8.9,"dewpoint":5,"humidity":77,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T14:33:00.000Z","obsTimeLocal":"2026-10-22T07:33:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 221433Z 04005KT 10SM FEW002 FEW130 SCT250 09/04 A2992 RMK AO2 ACSL DSNT SE T00890044","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T14:53:00.000Z","obsTimeLocal":"2026-10-22T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221453Z 03006KT 10SM FEW002 FEW130 SCT180 SCT250 08/04 A2992 RMK AO2 SLP138 ACSL DSNT SE T00830044 53006","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T15:53:00.000Z","obsTimeLocal":"2026-10-22T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221553Z 05004KT 10SM FEW002 FEW130 SCT180 SCT250 10/06 A2994 RMK AO2 SLP144 ACSL DSNT SE T01000056","temp":10,"dewpoint":5.6,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T16:53:00.000Z","obsTimeLocal":"2026-10-22T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221653Z 33005KT 10SM FEW005 FEW140 SCT220 12/07 A2994 RMK AO2 SLP145 ACSL DSNT SE T01170067","temp":11.7,"dewpoint":6.7,"humidity":71,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T17:53:00.000Z","obsTimeLocal":"2026-10-22T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221753Z 36008KT 10SM FEW005 FEW140 SCT220 13/07 A2995 RMK AO2 SLP149 ACSL DSNT SE T01280072 10128 20083 51011","temp":12.8,"dewpoint":7.2,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T18:53:00.000Z","obsTimeLocal":"2026-10-22T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221853Z 03007KT 10SM FEW005 FEW080 SCT140 SCT220 13/07 A2996 RMK AO2 SLP150 ACSL DSNT SE T01330067","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T19:53:00.000Z","obsTimeLocal":"2026-10-22T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 221953Z 36012KT 10SM FEW015 FEW080 SCT140 SCT230 14/06 A2995 RMK AO2 SLP150 ACSL DSNT SE T01440056","temp":14.4,"dewpoint":5.6,"humidity":55,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T20:53:00.000Z","obsTimeLocal":"2026-10-22T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222053Z 34012KT 10SM FEW020 FEW080 SCT140 SCT230 14/07 A2995 RMK AO2 SLP147 ACSL DSNT SE T01440067 58001","temp":14.4,"dewpoint":6.7,"humidity":60,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T21:53:00.000Z","obsTimeLocal":"2026-10-22T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222153Z 33014G23KT 10SM FEW030 FEW080 SCT140 BKN230 16/07 A2996 RMK AO2 SLP151 ACSL DSNT SE T01560067","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T22:53:00.000Z","obsTimeLocal":"2026-10-22T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222253Z 35010KT 10SM SCT031 BKN035 BKN140 14/07 A2998 RMK AO2 SLP157 T01440072","temp":14.4,"dewpoint":7.2,"humidity":62,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T23:53:00.000Z","obsTimeLocal":"2026-10-22T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 222353Z 34009KT 10SM FEW025 SCT032 BKN085 BKN230 13/06 A2999 RMK AO2 SLP161 T01280061 10156 20128 53014","temp":12.8,"dewpoint":6.1,"humidity":64,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T00:53:00.000Z","obsTimeLocal":"2026-10-22T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230053Z 36007KT 10SM BKN038 BKN070 OVC210 12/07 A3000 RMK AO2 SLP164 T01220072","temp":12.2,"dewpoint":7.2,"humidity":72,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T01:53:00.000Z","obsTimeLocal":"2026-10-22T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230153Z VRB06KT 10SM BKN042 BKN080 OVC230 13/07 A3001 RMK AO2 SLP170 T01330072","temp":13.3,"dewpoint":7.2,"humidity":67,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T02:53:00.000Z","obsTimeLocal":"2026-10-22T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230253Z 36006KT 10SM BKN050 OVC080 12/07 A3003 RMK AO2 SLP177 T01220067 53014","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T03:53:00.000Z","obsTimeLocal":"2026-10-22T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230353Z 01006KT 10SM -RA FEW023 OVC060 11/08 A3004 RMK AO2 RAB05E28B50 SLP181 P0000 T01110078","temp":11.1,"dewpoint":7.8,"humidity":80,"wind":3.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T04:53:00.000Z","obsTimeLocal":"2026-10-22T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230453Z 04007KT 10SM FEW060 SCT070 11/08 A3006 RMK AO2 RAE04 SLP187 P0000 T01060078","temp":10.6,"dewpoint":7.8,"humidity":83,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T05:53:00.000Z","obsTimeLocal":"2026-10-22T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230553Z 06004KT 10SM FEW030 FEW060 10/07 A3007 RMK AO2 SLP191 60000 T01000067 10133 20100 51015","temp":10,"dewpoint":6.7,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T06:53:00.000Z","obsTimeLocal":"2026-10-22T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 230653Z 03005KT 10SM BKN041 09/07 A3009 RMK AO2 SLP195 T00940067","temp":9.4,"dewpoint":6.7,"humidity":83,"wind":2.6,"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/2026-10-22","json":"https://weathermarket.io/api/station/KSEA/2026-10-22","record":"https://weathermarket.io/api/station/KSEA/2026-10-22?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-21","next":"https://weathermarket.io/station/KSEA/2026-10-23","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=22&year2=2026&month2=10&day2=24&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=22&hora=7&anof=2026&mesf=10&dayf=23&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}