{"station":{"icao":"KBOS","city":{"slug":"boston","name":"Boston","country":"United States"},"timezone":"America/New_York","lat":42.36,"lon":-71.06,"us":true,"html":"https://weathermarket.io/station/KBOS","json":"https://weathermarket.io/api/station/KBOS","nwsCli":{"html":"https://weathermarket.io/nws-cli/KBOS","json":"https://weathermarket.io/api/nws-cli/KBOS"}},"date":"2026-10-29","window":{"date":"2026-10-29","timezone":"America/New_York","dayStartUtc":"2026-10-29T04:00:00.000Z","dayEndUtc":"2026-10-30T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":20,"tmaxAt":"2026-10-29T17:54:00.000Z","tmin":9.4,"tminAt":"2026-10-29T07:54:00.000Z","tavg":14.4,"humidityMean":72.4,"windMean":6,"windMax":8.2,"windMaxAt":"2026-10-29T15:54:00.000Z","precipObservedCount":0,"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":"2026-10-29T17:54:00.000Z","obsTimeLocal":"2026-10-29T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291754Z 23014G24KT 10SM FEW050 20/10 A3011 RMK AO2 PK WND 24028/1744 SLP196 T02000100 10200 20106 58034 $","temp":20,"dewpoint":10,"humidity":53,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-29T07:54:00.000Z","obsTimeLocal":"2026-10-29T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290754Z 22008KT 10SM FEW250 09/07 A3029 RMK AO2 SLP255 T00940072","temp":9.4,"dewpoint":7.2,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-29T15:54:00.000Z","obsTimeLocal":"2026-10-29T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291554Z 22016G22KT 10SM FEW050 18/10 A3018 RMK AO2 PK WND 21029/1506 SLP220 T01830100 $","temp":18.3,"dewpoint":10,"humidity":58,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-30T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"84edc4f4795acf49","lastChangedAt":"2026-10-30T03:57:38.549Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-29?format=record","status":"anchored","sha256":"b93e61e99bf3d6de5ce8c144d158f1c1e14d72ecf290438166dca50e82f5247f","revision":"84edc4f4795acf49","flareTxHash":"0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","flareBlock":73860312,"anchoredAt":"2026-11-06T05:01:27.405Z","explorer":"https://flare-explorer.flare.network/tx/0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","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":"2026-10-29T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-29T07:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20,"tmin":9.4,"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":20.56,"tmin":8.89,"precip":0,"corrected":false,"issuedAt":"2026-10-30T05:26:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-29","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-29"},"observations":[{"obsTimeUtc":"2026-10-29T04:54:00.000Z","obsTimeLocal":"2026-10-29T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290454Z 22009KT 10SM FEW250 10/07 A3032 RMK AO2 SLP268 T01000072 401110033","temp":10,"dewpoint":7.2,"humidity":83,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T05:54:00.000Z","obsTimeLocal":"2026-10-29T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290554Z 22011KT 10SM FEW250 10/07 A3032 RMK AO2 SLP266 T01000072 10100 20083 56015","temp":10,"dewpoint":7.2,"humidity":83,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T06:54:00.000Z","obsTimeLocal":"2026-10-29T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290654Z 22010KT 10SM FEW250 10/07 A3030 RMK AO2 SLP260 T01000072","temp":10,"dewpoint":7.2,"humidity":83,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T07:54:00.000Z","obsTimeLocal":"2026-10-29T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290754Z 22008KT 10SM FEW250 09/07 A3029 RMK AO2 SLP255 T00940072","temp":9.4,"dewpoint":7.2,"humidity":86,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T08:54:00.000Z","obsTimeLocal":"2026-10-29T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290854Z 22007KT 10SM FEW250 09/07 A3028 RMK AO2 SLP252 T00940072 56015","temp":9.4,"dewpoint":7.2,"humidity":86,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T09:54:00.000Z","obsTimeLocal":"2026-10-29T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290954Z 21008KT 10SM CLR 09/08 A3027 RMK AO2 SLP249 T00940078","temp":9.4,"dewpoint":7.8,"humidity":90,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T10:54:00.000Z","obsTimeLocal":"2026-10-29T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291054Z 22009KT 10SM FEW070 10/08 A3026 RMK AO2 SLP245 T01000083 $","temp":10,"dewpoint":8.3,"humidity":89,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T11:54:00.000Z","obsTimeLocal":"2026-10-29T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291154Z 22009KT 10SM FEW090 11/08 A3026 RMK AO2 SLP245 T01060083 10106 20089 56006 $","temp":10.6,"dewpoint":8.3,"humidity":86,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T12:54:00.000Z","obsTimeLocal":"2026-10-29T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291254Z 23008KT 10SM CLR 12/09 A3025 RMK AO2 SLP244 T01220094 $","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T13:54:00.000Z","obsTimeLocal":"2026-10-29T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291354Z 24011KT 10SM CLR 14/10 A3024 RMK AO2 SLP238 T01440100 $","temp":14.4,"dewpoint":10,"humidity":75,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T14:54:00.000Z","obsTimeLocal":"2026-10-29T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291454Z 23015KT 10SM FEW050 16/10 A3021 RMK AO2 SLP230 T01610100 58015 $","temp":16.1,"dewpoint":10,"humidity":67,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T15:54:00.000Z","obsTimeLocal":"2026-10-29T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291554Z 22016G22KT 10SM FEW050 18/10 A3018 RMK AO2 PK WND 21029/1506 SLP220 T01830100 $","temp":18.3,"dewpoint":10,"humidity":58,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T16:54:00.000Z","obsTimeLocal":"2026-10-29T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291654Z 23015KT 10SM FEW050 19/09 A3014 RMK AO2 PK WND 22026/1639 SLP207 T01940094 $","temp":19.4,"dewpoint":9.4,"humidity":52,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T17:54:00.000Z","obsTimeLocal":"2026-10-29T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291754Z 23014G24KT 10SM FEW050 20/10 A3011 RMK AO2 PK WND 24028/1744 SLP196 T02000100 10200 20106 58034 $","temp":20,"dewpoint":10,"humidity":53,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T18:54:00.000Z","obsTimeLocal":"2026-10-29T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291854Z 23014G24KT 10SM FEW050 20/10 A3008 RMK AO2 SLP184 T02000100 $","temp":20,"dewpoint":10,"humidity":53,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T19:54:00.000Z","obsTimeLocal":"2026-10-29T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 291954Z 22015G20KT 10SM CLR 20/10 A3006 RMK AO2 SLP178 T02000100 $","temp":20,"dewpoint":10,"humidity":53,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T20:54:00.000Z","obsTimeLocal":"2026-10-29T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 292054Z 22014KT 10SM CLR 19/10 A3005 RMK AO2 SLP175 T01940100 56021 $","temp":19.4,"dewpoint":10,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T21:54:00.000Z","obsTimeLocal":"2026-10-29T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 292154Z 21012KT 10SM FEW045 18/10 A3005 RMK AO2 SLP174 T01830100 $","temp":18.3,"dewpoint":10,"humidity":58,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T22:54:00.000Z","obsTimeLocal":"2026-10-29T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 292254Z 22013KT 10SM CLR 17/10 A3005 RMK AO2 SLP175 T01720100 $","temp":17.2,"dewpoint":10,"humidity":63,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T23:54:00.000Z","obsTimeLocal":"2026-10-29T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 292354Z 21013KT 10SM CLR 16/10 A3003 RMK AO2 SLP169 T01560100 10206 20150 58006 $","temp":15.6,"dewpoint":10,"humidity":69,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T00:54:00.000Z","obsTimeLocal":"2026-10-29T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300054Z 21011KT 10SM CLR 15/10 A3002 RMK AO2 SLP165 T01500100 $","temp":15,"dewpoint":10,"humidity":72,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T01:54:00.000Z","obsTimeLocal":"2026-10-29T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300154Z 21014KT 10SM CLR 14/10 A3001 RMK AO2 SLP163 T01440100 $","temp":14.4,"dewpoint":10,"humidity":75,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T02:54:00.000Z","obsTimeLocal":"2026-10-29T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300254Z 22012KT 10SM CLR 14/11 A3001 RMK AO2 SLP163 T01390106 56006 $","temp":13.9,"dewpoint":10.6,"humidity":81,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T03:54:00.000Z","obsTimeLocal":"2026-10-29T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300354Z 23010KT 10SM CLR 13/11 A3001 RMK AO2 SLP160 T01330106 $","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":5.1,"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/KBOS/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KBOS/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KBOS for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KBOS/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/KBOS/2026-10-29","json":"https://weathermarket.io/api/station/KBOS/2026-10-29","record":"https://weathermarket.io/api/station/KBOS/2026-10-29?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-28","next":"https://weathermarket.io/station/KBOS/2026-10-30","station":"https://weathermarket.io/station/KBOS","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=BOS&data=metar&year1=2026&month1=10&day1=29&year2=2026&month2=10&day2=31&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=KBOS&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=29&hora=4&anof=2026&mesf=10&dayf=30&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}