{"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":"2026-10-06","window":{"date":"2026-10-06","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-06T07:00:00.000Z","dayEndUtc":"2026-10-07T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":18.9,"tmaxAt":"2026-10-06T23:53:00.000Z","tmin":11,"tminAt":"2026-10-07T05:51:00.000Z","tavg":13.8,"humidityMean":86.9,"windMean":3.3,"windMax":7.7,"windMaxAt":"2026-10-06T21:53:00.000Z","precipObservedCount":0,"nObservations":30,"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":"2026-10-06T23:53:00.000Z","obsTimeLocal":"2026-10-06T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062353Z 03007KT 10SM SCT230 19/11 A3014 RMK AO2 SLP210 T01890106 10189 20150 58009","temp":18.9,"dewpoint":10.6,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-07T05:51:00.000Z","obsTimeLocal":"2026-10-06T22:51:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070551Z 36005KT 6SM BR SCT005 11/11 A3015 RMK AO2","temp":11,"dewpoint":11,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-06T21:53:00.000Z","obsTimeLocal":"2026-10-06T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062153Z 35015KT 10SM FEW025 BKN230 17/12 A3015 RMK AO2 SLP216 T01720117","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-07T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"493940aedd38020c","lastChangedAt":"2026-10-07T06:56:38.588Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-06?format=record","status":"anchored","sha256":"91a74f396c35bf9687d26c718d711e45582b8e08044b066b06847c0991d9d0c2","revision":"493940aedd38020c","flareTxHash":"0x37509a918a982c0fc3afcace56e6225da1211dfe33d236bb47ec96a725579ade","flareBlock":71528371,"anchoredAt":"2026-10-07T10:01:14.609Z","explorer":"https://flare-explorer.flare.network/tx/0x37509a918a982c0fc3afcace56e6225da1211dfe33d236bb47ec96a725579ade","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":30,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-06T23:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-07T05:51:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.9,"tmin":11,"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":18.89,"tmin":11.11,"precip":0,"corrected":false,"issuedAt":"2026-10-07T08:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-06","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-06"},"observations":[{"obsTimeUtc":"2026-10-06T07:53:00.000Z","obsTimeLocal":"2026-10-06T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 060753Z 36003KT 10SM CLR 14/13 A3015 RMK AO2 SLP216 T01390128 402000111","temp":13.9,"dewpoint":12.8,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T08:53:00.000Z","obsTimeLocal":"2026-10-06T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 060853Z 33004KT 10SM FEW250 13/12 A3017 RMK AO2 SLP220 T01280122 53002","temp":12.8,"dewpoint":12.2,"humidity":96,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T09:53:00.000Z","obsTimeLocal":"2026-10-06T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 060953Z 34003KT 10SM CLR 13/12 A3017 RMK AO2 SLP221 T01330122","temp":13.3,"dewpoint":12.2,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T10:53:00.000Z","obsTimeLocal":"2026-10-06T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061053Z 00000KT 10SM CLR 13/12 A3017 RMK AO2 SLP222 T01280122","temp":12.8,"dewpoint":12.2,"humidity":96,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T11:53:00.000Z","obsTimeLocal":"2026-10-06T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061153Z 02005KT 10SM FEW070 SCT250 12/12 A3016 RMK AO2 SLP217 T01220117 10161 20122 58003","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T12:53:00.000Z","obsTimeLocal":"2026-10-06T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061253Z 36007KT 10SM FEW005 FEW070 SCT250 12/12 A3017 RMK AO2 SLP222 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T13:36:00.000Z","obsTimeLocal":"2026-10-06T06:36:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 061336Z 03007KT 10SM BKN004 13/12 A3017 RMK AO2 BKN V SCT T01280122","temp":12.8,"dewpoint":12.2,"humidity":96,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T13:53:00.000Z","obsTimeLocal":"2026-10-06T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061353Z 02008KT 10SM BKN003 13/12 A3017 RMK AO2 SLP223 BKN V SCT T01280122","temp":12.8,"dewpoint":12.2,"humidity":96,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T14:01:00.000Z","obsTimeLocal":"2026-10-06T07:01:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 061401Z 36008KT 10SM FEW002 SCT250 12/12 A3017 RMK AO2 T01220117","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T14:53:00.000Z","obsTimeLocal":"2026-10-06T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061453Z 35006KT 10SM FEW002 SCT250 12/12 A3018 RMK AO2 SLP226 T01220117 51009","temp":12.2,"dewpoint":11.7,"humidity":97,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T15:53:00.000Z","obsTimeLocal":"2026-10-06T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061553Z 02007KT 10SM SCT002 SCT010 BKN250 13/12 A3019 RMK AO2 SLP228 T01330117","temp":13.3,"dewpoint":11.7,"humidity":90,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T16:53:00.000Z","obsTimeLocal":"2026-10-06T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061653Z 01005KT 10SM FEW005 FEW015 SCT250 15/11 A3019 RMK AO2 SLP228 T01500111","temp":15,"dewpoint":11.1,"humidity":78,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T17:53:00.000Z","obsTimeLocal":"2026-10-06T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061753Z 01008KT 10SM FEW005 FEW020 SCT250 16/11 A3019 RMK AO2 SLP227 T01610111 10161 20117 50001","temp":16.1,"dewpoint":11.1,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T18:53:00.000Z","obsTimeLocal":"2026-10-06T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061853Z 29008KT 10SM FEW010 FEW020 SCT210 SCT240 16/12 A3018 RMK AO2 SLP226 T01560117","temp":15.6,"dewpoint":11.7,"humidity":78,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T19:53:00.000Z","obsTimeLocal":"2026-10-06T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 061953Z 30007KT 10SM FEW025 FEW210 SCT240 17/12 A3017 RMK AO2 SLP223 T01670117","temp":16.7,"dewpoint":11.7,"humidity":72,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T20:53:00.000Z","obsTimeLocal":"2026-10-06T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062053Z 36011KT 10SM FEW025 SCT230 18/10 A3016 RMK AO2 SLP219 T01830100 58007","temp":18.3,"dewpoint":10,"humidity":58,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T21:53:00.000Z","obsTimeLocal":"2026-10-06T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062153Z 35015KT 10SM FEW025 BKN230 17/12 A3015 RMK AO2 SLP216 T01720117","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T22:53:00.000Z","obsTimeLocal":"2026-10-06T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062253Z 35009KT 10SM FEW025 BKN230 18/11 A3014 RMK AO2 SLP213 T01830106","temp":18.3,"dewpoint":10.6,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-06T23:53:00.000Z","obsTimeLocal":"2026-10-06T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 062353Z 03007KT 10SM SCT230 19/11 A3014 RMK AO2 SLP210 T01890106 10189 20150 58009","temp":18.9,"dewpoint":10.6,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T00:53:00.000Z","obsTimeLocal":"2026-10-06T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070053Z 30007KT 10SM SCT250 17/12 A3013 RMK AO2 SLP208 T01720117","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T01:53:00.000Z","obsTimeLocal":"2026-10-06T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070153Z 30004KT 10SM FEW015 SCT250 14/12 A3013 RMK AO2 SLP209 T01390117","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T02:53:00.000Z","obsTimeLocal":"2026-10-06T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070253Z 31003KT 10SM SCT250 13/11 A3014 RMK AO2 SLP211 T01280111 55000","temp":12.8,"dewpoint":11.1,"humidity":89,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T03:53:00.000Z","obsTimeLocal":"2026-10-06T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070353Z 35007KT 10SM SCT250 13/11 A3014 RMK AO2 SLP213 T01280111","temp":12.8,"dewpoint":11.1,"humidity":89,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T04:53:00.000Z","obsTimeLocal":"2026-10-06T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070453Z 36005KT 9SM FEW012 SCT250 12/11 A3015 RMK AO2 SLP214 T01170106","temp":11.7,"dewpoint":10.6,"humidity":93,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T05:51:00.000Z","obsTimeLocal":"2026-10-06T22:51:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070551Z 36005KT 6SM BR SCT005 11/11 A3015 RMK AO2","temp":11,"dewpoint":11,"humidity":100,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T05:53:00.000Z","obsTimeLocal":"2026-10-06T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070553Z 35005KT 6SM BR SCT005 11/11 A3015 RMK AO2 SLP215 T01110106 10189 20111 51001","temp":11.1,"dewpoint":10.6,"humidity":97,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T06:02:00.000Z","obsTimeLocal":"2026-10-06T23:02:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070602Z 35005KT 1/2SM R16L/P6000FT BR OVC003 11/11 A3015 RMK AO2 SFC VIS 5 T01110106","temp":11.1,"dewpoint":10.6,"humidity":97,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T06:26:00.000Z","obsTimeLocal":"2026-10-06T23:26:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070626Z 35006KT 1/4SM R16L/3500VP6000FT FG VV001 12/11 A3014 RMK AO2 SFC VIS 1/2 T01170111","temp":11.7,"dewpoint":11.1,"humidity":96,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T06:51:00.000Z","obsTimeLocal":"2026-10-06T23:51:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 070651Z 35008KT 1/4SM R16L/1200V1800FT FG VV001 12/11 A3014 RMK AO2 TWR VIS 1/4","temp":12,"dewpoint":11,"humidity":94,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T06:53:00.000Z","obsTimeLocal":"2026-10-06T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 070653Z 36007KT 1/4SM R16L/1200V1800FT FG VV001 12/12 A3014 RMK AO2 TWR VIS 1/4 SLP212 T01170117","temp":11.7,"dewpoint":11.7,"humidity":100,"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/2026-10-06","json":"https://weathermarket.io/api/station/KSEA/2026-10-06","record":"https://weathermarket.io/api/station/KSEA/2026-10-06?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-05","next":"https://weathermarket.io/station/KSEA/2026-10-07","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=6&year2=2026&month2=10&day2=8&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=6&hora=7&anof=2026&mesf=10&dayf=7&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}