{"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":"2026-10-28","window":{"date":"2026-10-28","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-28T07:00:00.000Z","dayEndUtc":"2026-10-29T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":12.2,"tmaxAt":"2026-10-28T22:53:00.000Z","tmin":6.7,"tminAt":"2026-10-29T03:53:00.000Z","tavg":8.7,"humidityMean":82,"windMean":5.5,"windMax":8.2,"windMaxAt":"2026-10-28T08:53:00.000Z","precipObservedCount":4,"nObservations":28,"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":"2026-10-28T22:53:00.000Z","obsTimeLocal":"2026-10-28T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 282253Z 21013KT 10SM FEW025 SCT065 SCT120 12/06 A2997 RMK AO2 SLP155 CB DSNT S AND SW TCU DSNT NW SHRA S T01220056","temp":12.2,"dewpoint":5.6,"humidity":64,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-29T03:53:00.000Z","obsTimeLocal":"2026-10-28T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290353Z 14010KT 10SM FEW033 FEW060 SCT120 07/04 A3001 RMK AO2 SLP171 T00670039","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-28T08:53:00.000Z","obsTimeLocal":"2026-10-28T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 280853Z 17016KT 10SM SCT009 BKN013 OVC039 08/07 A2985 RMK AO2 RAE45 SLP115 P0012 60027 T00830072 58011 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-29T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"9b61329c81df5514","lastChangedAt":"2026-10-29T06:57:38.479Z","corrections":[{"obsTimeUtc":"2026-10-28T21:53:00.000Z","correctedAt":"2026-10-28T21:59:40.146Z","original":"METAR KSEA 282153Z 18009KT 10SM FEW025CB FEW060 SCT110 SCT230 11/06 A2996 RMK AO2 SLP152 CB DSNT SW TCU DSNT NW AND E T01110056","corrected":"METAR KSEA 282153Z COR 18009KT 10SM FEW025 FEW060 SCT110 SCT230 11/06 A2996 RMK AO2 SLP152 CB DSNT SW TCU DSNT NW AND E T01110056"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSEA/2026-10-28?format=record","status":"anchored","sha256":"645f007529965af2a7b2304b271884e4132324eddd24965c797e067b1700c105","revision":"9b61329c81df5514","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":28,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-28T22:53:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-29T03:53:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":12.2,"tmin":6.7,"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":12.22,"tmin":6.67,"precip":3.81,"corrected":false,"issuedAt":"2026-10-29T08:33:00.000Z","html":"https://weathermarket.io/nws-cli/KSEA/2026-10-28","json":"https://weathermarket.io/api/nws-cli/KSEA/2026-10-28"},"observations":[{"obsTimeUtc":"2026-10-28T07:08:00.000Z","obsTimeLocal":"2026-10-28T00:08:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 280708Z 17012KT 10SM -RA SCT017 BKN025 OVC038 08/07 A2988 RMK AO2 RAB0656 P0000 T00830067 $","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":6.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:49:00.000Z","obsTimeLocal":"2026-10-28T00:49:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 280749Z 22010G17KT 4SM RA BR SCT009 BKN020 OVC035 08/07 A2988 RMK AO2 RAB0656 P0014 $","temp":8,"dewpoint":7,"humidity":93,"wind":5.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:53:00.000Z","obsTimeLocal":"2026-10-28T00:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 280753Z 21008G17KT 4SM RA BR SCT009 BKN026 OVC035 08/07 A2988 RMK AO2 RAB0656 SLP125 P0015 T00830072 401390083 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":4.1,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:53:00.000Z","obsTimeLocal":"2026-10-28T01:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 280853Z 17016KT 10SM SCT009 BKN013 OVC039 08/07 A2985 RMK AO2 RAE45 SLP115 P0012 60027 T00830072 58011 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:00:00.000Z","obsTimeLocal":"2026-10-28T02:00:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 280900Z 17015KT 10SM SCT009 BKN015 08/07 A2985 RMK AO2 T00830072 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:53:00.000Z","obsTimeLocal":"2026-10-28T02:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 280953Z 19012KT 10SM BKN009 BKN015 OVC075 08/07 A2985 RMK AO2 RAB12E46 SLP113 P0002 T00830072 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:53:00.000Z","obsTimeLocal":"2026-10-28T03:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281053Z 19012G19KT 10SM SCT009 BKN015 OVC110 08/07 A2984 RMK AO2 SLP112 T00830072 $","temp":8.3,"dewpoint":7.2,"humidity":93,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:53:00.000Z","obsTimeLocal":"2026-10-28T04:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281153Z 21011KT 10SM FEW009 BKN017 BKN110 09/07 A2986 RMK AO2 PK WND 17027/1124 SLP118 60029 70029 T00890067 10094 20083 53003 $","temp":8.9,"dewpoint":6.7,"humidity":86,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:53:00.000Z","obsTimeLocal":"2026-10-28T05:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281253Z 23008G16KT 10SM FEW009 BKN016 BKN100 08/06 A2988 RMK AO2 SLP126 T00830056 $","temp":8.3,"dewpoint":5.6,"humidity":83,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:53:00.000Z","obsTimeLocal":"2026-10-28T06:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281353Z 24008KT 10SM FEW017 BKN021 BKN110 09/06 A2990 RMK AO2 SLP131 T00890056","temp":8.9,"dewpoint":5.6,"humidity":80,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:53:00.000Z","obsTimeLocal":"2026-10-28T07:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281453Z 21006KT 10SM FEW012 BKN017 BKN140 08/06 A2990 RMK AO2 SLP133 T00830061 51014","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:53:00.000Z","obsTimeLocal":"2026-10-28T08:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281553Z 20013KT 10SM FEW012 BKN016 BKN110 08/07 A2992 RMK AO2 SLP137 T00830067","temp":8.3,"dewpoint":6.7,"humidity":90,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:14:00.000Z","obsTimeLocal":"2026-10-28T09:14:00-07:00","metarType":"SPECI","raw":"SPECI KSEA 281614Z 20013KT 10SM SCT015 SCT110 BKN150 09/07 A2992 RMK AO2 SCT015 V BKN T00890067","temp":8.9,"dewpoint":6.7,"humidity":86,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:53:00.000Z","obsTimeLocal":"2026-10-28T09:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281653Z 19012G18KT 10SM FEW011 SCT015 SCT120 BKN150 09/07 A2994 RMK AO2 SLP144 SCT015 V BKN T00890067","temp":8.9,"dewpoint":6.7,"humidity":86,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:53:00.000Z","obsTimeLocal":"2026-10-28T10:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281753Z 19014G20KT 10SM SCT013 BKN140 BKN210 09/06 A2995 RMK AO2 SLP148 T00940056 10100 20083 51015","temp":9.4,"dewpoint":5.6,"humidity":77,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:53:00.000Z","obsTimeLocal":"2026-10-28T11:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281853Z 22011G18KT 10SM SCT018 SCT070 BKN140 BKN210 11/06 A2996 RMK AO2 SLP152 T01110061","temp":11.1,"dewpoint":6.1,"humidity":71,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T19:53:00.000Z","obsTimeLocal":"2026-10-28T12:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 281953Z 22011KT 10SM SCT025TCU SCT045 BKN090 BKN210 10/06 A2996 RMK AO2 SLP153 CB DSNT NE TCU E-S T01000061","temp":10,"dewpoint":6.1,"humidity":77,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T20:53:00.000Z","obsTimeLocal":"2026-10-28T13:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 282053Z 19013KT 10SM FEW020CB BKN060 BKN110 BKN210 09/04 A2996 RMK AO2 SLP151 CB SE-S MOV E CBMAM SE TCU DSNT SW AND W SHRA S T00940044 50003","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T21:53:00.000Z","obsTimeLocal":"2026-10-28T14:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 282153Z COR 18009KT 10SM FEW025 FEW060 SCT110 SCT230 11/06 A2996 RMK AO2 SLP152 CB DSNT SW TCU DSNT NW AND E T01110056","temp":11.1,"dewpoint":5.6,"humidity":69,"wind":4.6,"precipObserved":false,"correctedAt":"2026-10-28T21:59:40.146Z","originalRaw":"METAR KSEA 282153Z 18009KT 10SM FEW025CB FEW060 SCT110 SCT230 11/06 A2996 RMK AO2 SLP152 CB DSNT SW TCU DSNT NW AND E T01110056"},{"obsTimeUtc":"2026-10-28T22:53:00.000Z","obsTimeLocal":"2026-10-28T15:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 282253Z 21013KT 10SM FEW025 SCT065 SCT120 12/06 A2997 RMK AO2 SLP155 CB DSNT S AND SW TCU DSNT NW SHRA S T01220056","temp":12.2,"dewpoint":5.6,"humidity":64,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T23:53:00.000Z","obsTimeLocal":"2026-10-28T16:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 282353Z 18010KT 10SM FEW025 SCT070 SCT110 10/04 A2998 RMK AO2 SLP159 CB DSNT N AND SE TCU DSNT NE T01000039 10122 20094 53008","temp":10,"dewpoint":3.9,"humidity":66,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T00:53:00.000Z","obsTimeLocal":"2026-10-28T17:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290053Z 16009KT 10SM FEW025 FEW070 SCT110 09/04 A2999 RMK AO2 SLP163 CB DSNT NE T00890039","temp":8.9,"dewpoint":3.9,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T01:53:00.000Z","obsTimeLocal":"2026-10-28T18:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290153Z 13009KT 10SM FEW034 FEW070 SCT100 08/04 A3001 RMK AO2 SLP169 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T02:53:00.000Z","obsTimeLocal":"2026-10-28T19:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290253Z 13011KT 10SM FEW032 SCT034 SCT070 08/04 A3001 RMK AO2 SLP171 T00780039 51012","temp":7.8,"dewpoint":3.9,"humidity":76,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T03:53:00.000Z","obsTimeLocal":"2026-10-28T20:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290353Z 14010KT 10SM FEW033 FEW060 SCT120 07/04 A3001 RMK AO2 SLP171 T00670039","temp":6.7,"dewpoint":3.9,"humidity":82,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T04:53:00.000Z","obsTimeLocal":"2026-10-28T21:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290453Z 20009KT 7SM RA SCT033 BKN040 BKN100 08/04 A3002 RMK AO2 RAB50 SLP174 P0000 T00780039","temp":7.8,"dewpoint":3.9,"humidity":76,"wind":4.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T05:53:00.000Z","obsTimeLocal":"2026-10-28T22:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290553Z 14005KT 10SM OVC040 07/06 A3002 RMK AO2 RAE44 SLP173 P0004 60004 T00720056 10100 20067 52002","temp":7.2,"dewpoint":5.6,"humidity":90,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T06:53:00.000Z","obsTimeLocal":"2026-10-28T23:53:00-07:00","metarType":"METAR","raw":"METAR KSEA 290653Z 15008KT 10SM BKN040 OVC055 07/04 A3001 RMK AO2 SLP171 T00720044","temp":7.2,"dewpoint":4.4,"humidity":82,"wind":4.1,"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/2026-10-28","json":"https://weathermarket.io/api/station/KSEA/2026-10-28","record":"https://weathermarket.io/api/station/KSEA/2026-10-28?format=record","prev":"https://weathermarket.io/station/KSEA/2026-10-27","next":"https://weathermarket.io/station/KSEA/2026-10-29","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=28&year2=2026&month2=10&day2=30&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=28&hora=7&anof=2026&mesf=10&dayf=29&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSEA"}}}