{"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":"2026-10-01","window":{"date":"2026-10-01","timezone":"America/New_York","dayStartUtc":"2026-10-01T04:00:00.000Z","dayEndUtc":"2026-10-02T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":25,"tmaxAt":"2026-10-01T17:54:00.000Z","tmin":15.6,"tminAt":"2026-10-01T06:54:00.000Z","tavg":19.6,"humidityMean":80.8,"windMean":4.7,"windMax":7.7,"windMaxAt":"2026-10-01T18:54:00.000Z","precipObservedCount":0,"nObservations":23,"maxGapMinutes":120,"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":"2026-10-01T17:54:00.000Z","obsTimeLocal":"2026-10-01T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011754Z 23011G19KT 10SM FEW045 BKN120 BKN160 25/16 A2999 RMK AO2 SLP155 T02500161 10261 20161 58022","temp":25,"dewpoint":16.1,"humidity":58,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-01T06:54:00.000Z","obsTimeLocal":"2026-10-01T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010654Z 23009KT 10SM FEW200 16/14 A3006 RMK AO2 SLP180 T01560139","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-01T18:54:00.000Z","obsTimeLocal":"2026-10-01T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011854Z 22015KT 10SM FEW045 BKN110 BKN210 24/17 A2998 RMK AO2 SLP150 T02440167","temp":24.4,"dewpoint":16.7,"humidity":62,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-02T07:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":120,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 120 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"3e0bf3c02383b8a4","lastChangedAt":"2026-10-02T03:57:38.476Z","corrections":[{"obsTimeUtc":"2026-10-01T08:54:00.000Z","correctedAt":"2026-10-01T09:21:39.386Z","original":"METAR KBOS 010854Z 20007KT 10SM CLR 16/14 A3005 RMK AO2 SLP176 T01560139 56006","corrected":"METAR KBOS 010854Z COR 20007KT 10SM FEW200 16/14 A3005 RMK AO2 SLP176 T01560139 56006"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-01?format=record","status":"anchored","sha256":"d8f1ae32f5b98930742287895a09542b29029b39d96eb812289398c1333cf4f8","revision":"3e0bf3c02383b8a4","flareTxHash":"0xb81eff7e4c7551217415d40d39a812a39205dd9acafbeddcb3d5deeab63ffa25","flareBlock":71125512,"anchoredAt":"2026-10-02T07:01:18.509Z","explorer":"https://flare-explorer.flare.network/tx/0xb81eff7e4c7551217415d40d39a812a39205dd9acafbeddcb3d5deeab63ffa25","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":"2026-10-01T17:54:00.000Z","flag":"good","reasons":["step_not_tested: previous valid report 120 min earlier (> 70)"]},"tmin":{"obsTimeUtc":"2026-10-01T06:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":25,"tmin":15.6,"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":26.11,"tmin":15,"precip":0,"corrected":false,"issuedAt":"2026-10-02T05:42:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-01","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-01"},"observations":[{"obsTimeUtc":"2026-10-01T04:54:00.000Z","obsTimeLocal":"2026-10-01T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010454Z 22009KT 10SM SCT200 16/14 A3007 RMK AO2 SLP182 T01610139 401890156","temp":16.1,"dewpoint":13.9,"humidity":87,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T05:54:00.000Z","obsTimeLocal":"2026-10-01T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010554Z 22008KT 10SM FEW200 16/14 A3007 RMK AO2 SLP182 T01610139 10183 20156 56001","temp":16.1,"dewpoint":13.9,"humidity":87,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T06:54:00.000Z","obsTimeLocal":"2026-10-01T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010654Z 23009KT 10SM FEW200 16/14 A3006 RMK AO2 SLP180 T01560139","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T07:54:00.000Z","obsTimeLocal":"2026-10-01T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010754Z 22008KT 10SM FEW200 16/14 A3006 RMK AO2 SLP177 T01560139","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T08:54:00.000Z","obsTimeLocal":"2026-10-01T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010854Z COR 20007KT 10SM FEW200 16/14 A3005 RMK AO2 SLP176 T01560139 56006","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":3.6,"precipObserved":false,"correctedAt":"2026-10-01T09:21:39.386Z","originalRaw":"METAR KBOS 010854Z 20007KT 10SM CLR 16/14 A3005 RMK AO2 SLP176 T01560139 56006"},{"obsTimeUtc":"2026-10-01T09:54:00.000Z","obsTimeLocal":"2026-10-01T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010954Z 21004KT 10SM OVC180 16/14 A3005 RMK AO2 SLP175 T01560139","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T10:54:00.000Z","obsTimeLocal":"2026-10-01T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011054Z 22005KT 10SM OVC170 16/14 A3006 RMK AO2 SLP178 T01560139","temp":15.6,"dewpoint":13.9,"humidity":90,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T11:54:00.000Z","obsTimeLocal":"2026-10-01T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011154Z 20007KT 10SM BKN160 OVC200 16/14 A3007 RMK AO2 SLP181 BINOVC T01610144 10161 20150 53004","temp":16.1,"dewpoint":14.4,"humidity":90,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T12:54:00.000Z","obsTimeLocal":"2026-10-01T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011254Z 23008KT 10SM BKN150 OVC200 17/15 A3007 RMK AO2 SLP181 T01670150","temp":16.7,"dewpoint":15,"humidity":90,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T13:54:00.000Z","obsTimeLocal":"2026-10-01T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011354Z 22007KT 10SM BKN150 OVC200 19/16 A3006 RMK AO2 SLP179 T01890156","temp":18.9,"dewpoint":15.6,"humidity":81,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T14:54:00.000Z","obsTimeLocal":"2026-10-01T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011454Z 22005KT 10SM FEW120 BKN160 21/16 A3006 RMK AO2 SLP177 T02060161 58003","temp":20.6,"dewpoint":16.1,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T15:54:00.000Z","obsTimeLocal":"2026-10-01T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011554Z 24008KT 10SM FEW120 BKN160 23/16 A3004 RMK AO2 SLP172 T02280161","temp":22.8,"dewpoint":16.1,"humidity":66,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T17:54:00.000Z","obsTimeLocal":"2026-10-01T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011754Z 23011G19KT 10SM FEW045 BKN120 BKN160 25/16 A2999 RMK AO2 SLP155 T02500161 10261 20161 58022","temp":25,"dewpoint":16.1,"humidity":58,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T18:54:00.000Z","obsTimeLocal":"2026-10-01T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011854Z 22015KT 10SM FEW045 BKN110 BKN210 24/17 A2998 RMK AO2 SLP150 T02440167","temp":24.4,"dewpoint":16.7,"humidity":62,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T19:54:00.000Z","obsTimeLocal":"2026-10-01T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 011954Z 21012G19KT 10SM FEW045 BKN110 BKN210 23/17 A2997 RMK AO2 SLP149 T02330172","temp":23.3,"dewpoint":17.2,"humidity":69,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T20:54:00.000Z","obsTimeLocal":"2026-10-01T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 012054Z 22012KT 10SM FEW045 BKN110 BKN190 23/18 A2996 RMK AO2 SLP146 T02330178 56009","temp":23.3,"dewpoint":17.8,"humidity":71,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T21:54:00.000Z","obsTimeLocal":"2026-10-01T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 012154Z 19007KT 10SM FEW045 BKN120 BKN190 22/18 A2996 RMK AO2 SLP146 T02220183","temp":22.2,"dewpoint":18.3,"humidity":79,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T22:54:00.000Z","obsTimeLocal":"2026-10-01T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 012254Z 21008KT 10SM FEW045 BKN140 BKN200 22/18 A2995 RMK AO2 RAB01E27 SLP140 P0000 T02170183","temp":21.7,"dewpoint":18.3,"humidity":81,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-01T23:54:00.000Z","obsTimeLocal":"2026-10-01T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 012354Z 20009KT 10SM FEW045 BKN140 BKN200 21/18 A2995 RMK AO2 SLP140 60000 T02110183 10256 20206 58006","temp":21.1,"dewpoint":18.3,"humidity":84,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T00:54:00.000Z","obsTimeLocal":"2026-10-01T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020054Z 23013KT 10SM BKN110 OVC200 22/18 A2994 RMK AO2 SLP137 T02170178","temp":21.7,"dewpoint":17.8,"humidity":79,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T01:54:00.000Z","obsTimeLocal":"2026-10-01T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020154Z 21013KT 10SM SCT130 BKN200 21/18 A2993 RMK AO2 SLP134 T02110178","temp":21.1,"dewpoint":17.8,"humidity":81,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T02:54:00.000Z","obsTimeLocal":"2026-10-01T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020254Z 22014KT 10SM SCT120 OVC160 21/18 A2992 RMK AO2 PK WND 22028/0158 SLP132 T02060178 56008","temp":20.6,"dewpoint":17.8,"humidity":84,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T03:54:00.000Z","obsTimeLocal":"2026-10-01T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020354Z 23012KT 10SM SCT140 21/18 A2992 RMK AO2 SLP132 T02060178","temp":20.6,"dewpoint":17.8,"humidity":84,"wind":6.2,"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/2026-10-01","json":"https://weathermarket.io/api/station/KBOS/2026-10-01","record":"https://weathermarket.io/api/station/KBOS/2026-10-01?format=record","prev":"https://weathermarket.io/station/KBOS/2026-09-30","next":"https://weathermarket.io/station/KBOS/2026-10-02","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=1&year2=2026&month2=10&day2=3&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=1&hora=4&anof=2026&mesf=10&dayf=2&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}