{"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":"2026-11-02","window":{"date":"2026-11-02","timezone":"America/Los_Angeles","dayStartUtc":"2026-11-02T08:00:00.000Z","dayEndUtc":"2026-11-03T08:00:00.000Z","utcOffsetStart":"-08:00","utcOffsetEnd":"-08:00","hours":24},"complete":true,"values":{"tmax":10,"tmaxAt":"2026-11-02T21:53:00.000Z","tmin":1.7,"tminAt":"2026-11-02T14:30:00.000Z","tavg":5,"humidityMean":92.1,"windMean":1.4,"windMax":3.1,"windMaxAt":"2026-11-03T06:53:00.000Z","precipObservedCount":0,"nObservations":41,"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":"2026-11-02T21:53:00.000Z","obsTimeLocal":"2026-11-02T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 022153Z 26003KT 10SM FEW008 SCT170 BKN200 BKN250 10/06 A3019 RMK AO2 SLP230 ACSL DSNT SE T01000056","temp":10,"dewpoint":5.6,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-02T14:30:00.000Z","obsTimeLocal":"2026-11-02T06:30:00-08:00","metarType":"SPECI","raw":"SPECI KSEA 021430Z 00000KT 1 1/4SM R16L/3000VP6000FT BCFG SCT001 02/01 A3020 RMK AO2 VIS 1/4V5 T00170011","temp":1.7,"dewpoint":1.1,"humidity":96,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-03T06:53:00.000Z","obsTimeLocal":"2026-11-02T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 030653Z 03006KT 9SM BKN170 OVC250 08/07 A3013 RMK AO2 SLP209 T00830067","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-03T11:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"4cf657657e9b3222","lastChangedAt":"2026-11-03T07:57:38.688Z","corrections":[{"obsTimeUtc":"2026-11-02T14:34:00.000Z","correctedAt":"2026-11-02T14:38:49.726Z","original":"SPECI KSEA 021434Z 00000KT 5SM R16L/2800VP6000FT BR SCT000 02/01 A3020 RMK AO2 VIS 1 3/5 SW-NW FG SCT000 T00170011","corrected":"SPECI KSEA 021434Z COR 00000KT 5SM R16L/2800VP6000FT BR SCT000 02/01 A3020 RMK AO2 VIS 1 3/4 SW-NW FG SCT000 T00170011"},{"obsTimeUtc":"2026-11-02T16:23:00.000Z","correctedAt":"2026-11-02T16:27:01.624Z","original":"SPECI KSEA 021623Z 35003KT 1/4SM R16L/1000V1600FT FG VV001 04/03 A3022 RMK AO2 TWR VIS 3 T00390033 $","corrected":"SPECI KSEA 021623Z COR 35003KT 1/4SM R16L/1000V1600FT FG VV001 04/03 A3022 RMK AO2 T00390033 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-11-02?format=record","status":"anchored","sha256":"d5b43782b68b5de194632fb984ea1c43cb70ffb80fb45324c9bf11221e886695","revision":"4cf657657e9b3222","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":41,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-02T21:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-02T14:30:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":10,"tmin":1.7,"differsFromRecord":false},"note":"Flags are attached beside the anchored record and are not part of its bytes; the record's extremes are unchanged. 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56006","temp":7.8,"dewpoint":6.7,"humidity":93,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T06:53:00.000Z","obsTimeLocal":"2026-11-02T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 030653Z 03006KT 9SM BKN170 OVC250 08/07 A3013 RMK AO2 SLP209 T00830067","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T07:53:00.000Z","obsTimeLocal":"2026-11-02T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 030753Z 34005KT 10SM BKN170 OVC250 07/07 A3011 RMK AO2 SLP205 T00720067 401000017","temp":7.2,"dewpoint":6.7,"humidity":97,"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/2026-11-02","json":"https://weathermarket.io/api/station/KSEA/2026-11-02","record":"https://weathermarket.io/api/station/KSEA/2026-11-02?format=record","prev":"https://weathermarket.io/station/KSEA/2026-11-01","next":"https://weathermarket.io/station/KSEA/2026-11-03","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=2&year2=2026&month2=11&day2=4&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=2&hora=8&anof=2026&mesf=11&dayf=3&horaf=7&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}