{"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":"2026-11-12","window":{"date":"2026-11-12","timezone":"America/Los_Angeles","dayStartUtc":"2026-11-12T08:00:00.000Z","dayEndUtc":"2026-11-13T08:00:00.000Z","utcOffsetStart":"-08:00","utcOffsetEnd":"-08:00","hours":24},"complete":true,"values":{"tmax":16.1,"tmaxAt":"2026-11-13T02:53:00.000Z","tmin":10.6,"tminAt":"2026-11-12T12:53:00.000Z","tavg":12.8,"humidityMean":74.4,"windMean":2.2,"windMax":5.1,"windMaxAt":"2026-11-13T06:53:00.000Z","precipObservedCount":0,"nObservations":23,"maxGapMinutes":113,"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":"2026-11-13T02:53:00.000Z","obsTimeLocal":"2026-11-12T18:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130253Z 10008KT 10SM OVC200 16/06 A2948 RMK AO2 SLP988 T01610056 58035","temp":16.1,"dewpoint":5.6,"humidity":50,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-12T12:53:00.000Z","obsTimeLocal":"2026-11-12T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121253Z 00000KT 10SM BKN180 11/08 A2981 RMK AO2 SLP101 T01060083","temp":10.6,"dewpoint":8.3,"humidity":86,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-13T06:53:00.000Z","obsTimeLocal":"2026-11-12T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130653Z 13010KT 10SM OVC200 11/09 A2945 RMK AO2 SLP979 T01110089","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-13T11:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":113,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 113 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"6623709933d26f10","lastChangedAt":"2026-11-13T07:56:38.545Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-11-12?format=record","status":"anchored","sha256":"ab7934573b56ac735b5e1300e99cc618519d9a64e8742b99ee99e0aa4c11fe31","revision":"6623709933d26f10","flareTxHash":"0x05e06439ab9d34e0bb10dff83cc2fa83bf2b7ec8dd6f62338cd29bb87b71f4a5","flareBlock":74432138,"anchoredAt":"2026-11-13T11:01:23.197Z","explorer":"https://flare-explorer.flare.network/tx/0x05e06439ab9d34e0bb10dff83cc2fa83bf2b7ec8dd6f62338cd29bb87b71f4a5","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":23,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-13T02:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-12T12:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":16.1,"tmin":10.6,"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":16.11,"tmin":10,"precip":0,"corrected":false,"issuedAt":"2026-11-13T09:26:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-11-12","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-11-12"},"observations":[{"obsTimeUtc":"2026-11-12T09:53:00.000Z","obsTimeLocal":"2026-11-12T01:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 120953Z 14004KT 10SM BKN180 12/09 A2987 RMK AO2 SLP120 T01170089","temp":11.7,"dewpoint":8.9,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T10:53:00.000Z","obsTimeLocal":"2026-11-12T02:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121053Z 13007KT 10SM BKN180 12/08 A2985 RMK AO2 SLP112 T01170083","temp":11.7,"dewpoint":8.3,"humidity":80,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T11:53:00.000Z","obsTimeLocal":"2026-11-12T03:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121153Z 14005KT 10SM BKN190 12/08 A2983 RMK AO2 SLP105 T01220078 10144 20106 56023","temp":12.2,"dewpoint":7.8,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T12:53:00.000Z","obsTimeLocal":"2026-11-12T04:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121253Z 00000KT 10SM BKN180 11/08 A2981 RMK AO2 SLP101 T01060083","temp":10.6,"dewpoint":8.3,"humidity":86,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T13:53:00.000Z","obsTimeLocal":"2026-11-12T05:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121353Z 16004KT 10SM BKN200 12/07 A2981 RMK AO2 SLP099 T01170072","temp":11.7,"dewpoint":7.2,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T14:53:00.000Z","obsTimeLocal":"2026-11-12T06:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121453Z 13004KT 10SM OVC210 12/07 A2979 RMK AO2 SLP094 T01220067 56011","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T15:53:00.000Z","obsTimeLocal":"2026-11-12T07:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121553Z 11006KT 10SM OVC220 12/07 A2979 RMK AO2 SLP093 T01220067","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T16:53:00.000Z","obsTimeLocal":"2026-11-12T08:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121653Z 18005KT 10SM BKN190 OVC230 12/07 A2977 RMK AO2 SLP088 T01220072","temp":12.2,"dewpoint":7.2,"humidity":72,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T17:53:00.000Z","obsTimeLocal":"2026-11-12T09:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121753Z 20005KT 10SM FEW070 BKN190 OVC230 13/07 A2975 RMK AO2 SLP081 T01280072 10133 20100 58013","temp":12.8,"dewpoint":7.2,"humidity":69,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T18:53:00.000Z","obsTimeLocal":"2026-11-12T10:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121853Z 17006KT 10SM FEW070 BKN190 BKN230 14/08 A2973 RMK AO2 SLP075 T01390083","temp":13.9,"dewpoint":8.3,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T19:53:00.000Z","obsTimeLocal":"2026-11-12T11:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 121953Z 14003KT 10SM FEW080 FEW130 BKN190 OVC230 14/09 A2970 RMK AO2 SLP065 T01440089","temp":14.4,"dewpoint":8.9,"humidity":70,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T20:53:00.000Z","obsTimeLocal":"2026-11-12T12:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 122053Z 00000KT 10SM FEW080 FEW130 SCT170 OVC240 14/08 A2967 RMK AO2 SLP052 T01440083 58029","temp":14.4,"dewpoint":8.3,"humidity":67,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T21:53:00.000Z","obsTimeLocal":"2026-11-12T13:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 122153Z 00000KT 10SM FEW080 FEW130 BKN170 BKN240 14/09 A2963 RMK AO2 SLP040 T01440094","temp":14.4,"dewpoint":9.4,"humidity":72,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T22:53:00.000Z","obsTimeLocal":"2026-11-12T14:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 122253Z 00000KT 10SM FEW100 BKN170 BKN240 14/10 A2961 RMK AO2 SLP031 T01390100","temp":13.9,"dewpoint":10,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T23:53:00.000Z","obsTimeLocal":"2026-11-12T15:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 122353Z 00000KT 10SM FEW100 BKN170 OVC240 13/10 A2959 RMK AO2 SLP024 T01280100 10150 20122 56027","temp":12.8,"dewpoint":10,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T00:53:00.000Z","obsTimeLocal":"2026-11-12T16:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130053Z 21003KT 10SM OVC180 12/09 A2956 RMK AO2 SLP017 T01220094","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T01:53:00.000Z","obsTimeLocal":"2026-11-12T17:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130153Z 11005KT 10SM OVC180 14/08 A2953 RMK AO2 SLP004 T01390083","temp":13.9,"dewpoint":8.3,"humidity":69,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T02:53:00.000Z","obsTimeLocal":"2026-11-12T18:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130253Z 10008KT 10SM OVC200 16/06 A2948 RMK AO2 SLP988 T01610056 58035","temp":16.1,"dewpoint":5.6,"humidity":50,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T03:53:00.000Z","obsTimeLocal":"2026-11-12T19:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130353Z 11007KT 10SM BKN200 15/05 A2946 RMK AO2 SLP980 T01500050","temp":15,"dewpoint":5,"humidity":51,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T04:53:00.000Z","obsTimeLocal":"2026-11-12T20:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130453Z 19005KT 10SM FEW002 BKN200 11/09 A2945 RMK AO2 SLP979 T01110094","temp":11.1,"dewpoint":9.4,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T05:53:00.000Z","obsTimeLocal":"2026-11-12T21:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130553Z 20006KT 10SM BKN200 11/09 A2946 RMK AO2 SLP981 T01110094 10161 20106 55008","temp":11.1,"dewpoint":9.4,"humidity":89,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T06:53:00.000Z","obsTimeLocal":"2026-11-12T22:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130653Z 13010KT 10SM OVC200 11/09 A2945 RMK AO2 SLP979 T01110089","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T07:53:00.000Z","obsTimeLocal":"2026-11-12T23:53:00-08:00","metarType":"METAR","raw":"METAR KSEA 130753Z 16007KT 10SM OVC180 12/08 A2944 RMK AO2 SLP974 T01170083 401610100","temp":11.7,"dewpoint":8.3,"humidity":80,"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/2026-11-12","json":"https://weathermarket.io/api/station/KSEA/2026-11-12","record":"https://weathermarket.io/api/station/KSEA/2026-11-12?format=record","prev":"https://weathermarket.io/station/KSEA/2026-11-11","next":"https://weathermarket.io/station/KSEA/2026-11-13","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=12&year2=2026&month2=11&day2=14&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=12&hora=8&anof=2026&mesf=11&dayf=13&horaf=7&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}