{"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":"2026-11-08","window":{"date":"2026-11-08","timezone":"America/Los_Angeles","dayStartUtc":"2026-11-08T08:00:00.000Z","dayEndUtc":"2026-11-09T08:00:00.000Z","utcOffsetStart":"-08:00","utcOffsetEnd":"-08:00","hours":24},"complete":true,"values":{"tmax":13.9,"tmaxAt":"2026-11-08T21:53:00.000Z","tmin":8.3,"tminAt":"2026-11-09T07:53:00.000Z","tavg":11.3,"humidityMean":75.8,"windMean":5.6,"windMax":9.3,"windMaxAt":"2026-11-08T09:53:00.000Z","precipObservedCount":2,"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":"2026-11-08T21:53:00.000Z","obsTimeLocal":"2026-11-08T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 082153Z 19012KT 10SM FEW033 FEW070 SCT170 14/07 A3015 RMK AO2 SLP214 T01390072","temp":13.9,"dewpoint":7.2,"humidity":64,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-09T07:53:00.000Z","obsTimeLocal":"2026-11-08T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090753Z 00000KT 10SM OVC190 08/04 A3010 RMK AO2 SLP199 T00830044 401390078","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-08T09:53:00.000Z","obsTimeLocal":"2026-11-08T01:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 080953Z 17018G27KT 10SM BKN045 BKN060 OVC080 12/08 A2987 RMK AO2 PK WND 17027/0953 RAB34E48 SLP120 P0001 T01170078 $","temp":11.7,"dewpoint":7.8,"humidity":77,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-09T11:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"6ed59080df2d3358","lastChangedAt":"2026-11-09T07:56:38.469Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-11-08?format=record","status":"anchored","sha256":"0cde367e865d17057487dec516ae38f1251573c6f2cccd3f820e684b7dd29e0a","revision":"6ed59080df2d3358","flareTxHash":"0x4c8dc9dc3a727cc8361757919f9b715651a833b140eaa81edc4e139d8f91971a","flareBlock":74119666,"anchoredAt":"2026-11-09T11:01:24.186Z","explorer":"https://flare-explorer.flare.network/tx/0x4c8dc9dc3a727cc8361757919f9b715651a833b140eaa81edc4e139d8f91971a","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":"2026-11-08T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-09T07:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":13.9,"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":13.89,"tmin":7.78,"precip":0.51,"corrected":false,"issuedAt":"2026-11-09T09:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-11-08","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-11-08"},"observations":[{"obsTimeUtc":"2026-11-08T08:53:00.000Z","obsTimeLocal":"2026-11-08T00:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 080853Z 16014KT 10SM SCT044 SCT055 11/08 A2988 RMK AO2 SLP124 60002 T01110083 51037 $","temp":11.1,"dewpoint":8.3,"humidity":83,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T09:53:00.000Z","obsTimeLocal":"2026-11-08T01:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 080953Z 17018G27KT 10SM BKN045 BKN060 OVC080 12/08 A2987 RMK AO2 PK WND 17027/0953 RAB34E48 SLP120 P0001 T01170078 $","temp":11.7,"dewpoint":7.8,"humidity":77,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T10:53:00.000Z","obsTimeLocal":"2026-11-08T02:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081053Z 18018G35KT 10SM FEW034 BKN048 OVC070 12/08 A2989 RMK AO2 PK WND 17036/1010 RAB38E48 SLP127 P0000 T01220078 $","temp":12.2,"dewpoint":7.8,"humidity":74,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T11:53:00.000Z","obsTimeLocal":"2026-11-08T03:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081153Z 19017G25KT 10SM -RA SCT030 BKN038 OVC047 12/08 A2994 RMK AO2 PK WND 19035/1142 RAB18 SLP143 P0001 60004 70030 T01170083 10128 20111 53018 $","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":8.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T12:53:00.000Z","obsTimeLocal":"2026-11-08T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081253Z 19015G23KT 10SM SCT019 BKN033 OVC090 11/09 A2997 RMK AO2 PK WND 18028/1156 RAE13 SLP156 P0000 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T13:53:00.000Z","obsTimeLocal":"2026-11-08T05:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081353Z 19013KT 10SM FEW016 FEW034 OVC250 11/09 A3001 RMK AO2 PK WND 19026/1320 SLP167 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T14:53:00.000Z","obsTimeLocal":"2026-11-08T06:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081453Z 17012KT 10SM FEW013 SCT031 BKN040 11/09 A3005 RMK AO2 SLP181 60000 T01110089 53038 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T15:53:00.000Z","obsTimeLocal":"2026-11-08T07:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081553Z 19014G22KT 10SM -RA BKN035 BKN049 OVC060 11/08 A3007 RMK AO2 RAB50 SLP189 P0000 T01110078 $","temp":11.1,"dewpoint":7.8,"humidity":80,"wind":7.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T16:53:00.000Z","obsTimeLocal":"2026-11-08T08:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081653Z 19014G21KT 10SM SCT029 BKN035 OVC120 11/08 A3010 RMK AO2 RAE18 SLP200 P0000 T01110078 $","temp":11.1,"dewpoint":7.8,"humidity":80,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T17:53:00.000Z","obsTimeLocal":"2026-11-08T09:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081753Z 19013G19KT 10SM FEW025 SCT029 BKN150 12/08 A3012 RMK AO2 SLP207 60000 T01170083 10117 20106 51025","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T18:53:00.000Z","obsTimeLocal":"2026-11-08T10:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081853Z 20013KT 10SM SCT029 BKN160 13/08 A3015 RMK AO2 SLP214 T01330083","temp":13.3,"dewpoint":8.3,"humidity":72,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T19:53:00.000Z","obsTimeLocal":"2026-11-08T11:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 081953Z 22011KT 10SM SCT031 SCT050 BKN180 13/07 A3014 RMK AO2 SLP212 T01330067","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T20:53:00.000Z","obsTimeLocal":"2026-11-08T12:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 082053Z 20012G20KT 10SM FEW033 SCT040 SCT190 13/07 A3014 RMK AO2 SLP214 T01330072 51007","temp":13.3,"dewpoint":7.2,"humidity":67,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T21:53:00.000Z","obsTimeLocal":"2026-11-08T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 082153Z 19012KT 10SM FEW033 FEW070 SCT170 14/07 A3015 RMK AO2 SLP214 T01390072","temp":13.9,"dewpoint":7.2,"humidity":64,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T22:53:00.000Z","obsTimeLocal":"2026-11-08T14:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 082253Z 18009KT 10SM FEW033 SCT095 14/07 A3016 RMK AO2 SLP218 T01390072","temp":13.9,"dewpoint":7.2,"humidity":64,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-08T23:53:00.000Z","obsTimeLocal":"2026-11-08T15:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 082353Z 20008KT 10SM FEW033 SCT095 13/07 A3016 RMK AO2 SLP220 T01280067 10139 20117 53005","temp":12.8,"dewpoint":6.7,"humidity":66,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T00:53:00.000Z","obsTimeLocal":"2026-11-08T16:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090053Z 18005KT 10SM FEW045 SCT250 11/07 A3016 RMK AO2 SLP220 T01110067","temp":11.1,"dewpoint":6.7,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T01:53:00.000Z","obsTimeLocal":"2026-11-08T17:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090153Z 18008KT 10SM FEW045 SCT250 11/07 A3015 RMK AO2 SLP216 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T02:53:00.000Z","obsTimeLocal":"2026-11-08T18:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090253Z 16005KT 10SM FEW250 10/07 A3015 RMK AO2 SLP217 T01000067 58004","temp":10,"dewpoint":6.7,"humidity":80,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T03:53:00.000Z","obsTimeLocal":"2026-11-08T19:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090353Z 13008KT 10SM FEW250 09/06 A3015 RMK AO2 SLP218 T00940061","temp":9.4,"dewpoint":6.1,"humidity":80,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T04:53:00.000Z","obsTimeLocal":"2026-11-08T20:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090453Z 14007KT 10SM BKN240 09/05 A3015 RMK AO2 SLP218 T00940050","temp":9.4,"dewpoint":5,"humidity":74,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T05:53:00.000Z","obsTimeLocal":"2026-11-08T21:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090553Z 10006KT 10SM OVC200 09/05 A3014 RMK AO2 SLP215 T00890050 10128 20089 58002","temp":8.9,"dewpoint":5,"humidity":77,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T06:53:00.000Z","obsTimeLocal":"2026-11-08T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090653Z 08007KT 10SM OVC180 09/04 A3012 RMK AO2 SLP206 T00890044","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T07:53:00.000Z","obsTimeLocal":"2026-11-08T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 090753Z 00000KT 10SM OVC190 08/04 A3010 RMK AO2 SLP199 T00830044 401390078","temp":8.3,"dewpoint":4.4,"humidity":76,"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/2026-11-08","json":"https://weathermarket.io/api/station/KSEA/2026-11-08","record":"https://weathermarket.io/api/station/KSEA/2026-11-08?format=record","prev":"https://weathermarket.io/station/KSEA/2026-11-07","next":"https://weathermarket.io/station/KSEA/2026-11-09","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=8&year2=2026&month2=11&day2=10&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=8&hora=8&anof=2026&mesf=11&dayf=9&horaf=7&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}