{"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":"2026-10-03","window":{"date":"2026-10-03","timezone":"America/New_York","dayStartUtc":"2026-10-03T04:00:00.000Z","dayEndUtc":"2026-10-04T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":19.4,"tmaxAt":"2026-10-03T04:54:00.000Z","tmin":13.3,"tminAt":"2026-10-04T02:54:00.000Z","tavg":16.4,"humidityMean":67.4,"windMean":4.4,"windMax":6.7,"windMaxAt":"2026-10-03T17:54:00.000Z","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":"2026-10-03T04:54:00.000Z","obsTimeLocal":"2026-10-03T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030454Z 32011KT 10SM OVC055 19/12 A3003 RMK AO2 SLP167 T01940117 403060189 PNO $","temp":19.4,"dewpoint":11.7,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-04T02:54:00.000Z","obsTimeLocal":"2026-10-03T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 040254Z 09004KT 10SM FEW250 13/10 A3036 RMK AO2 SLP278 T01330100 51009","temp":13.3,"dewpoint":10,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-03T17:54:00.000Z","obsTimeLocal":"2026-10-03T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031754Z 09013KT 10SM FEW050 FEW250 18/10 A3026 RMK AO2 SLP247 T01780100 10189 20156 51005 $","temp":17.8,"dewpoint":10,"humidity":60,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-04T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0dc30d525923bd3a","lastChangedAt":"2026-10-04T03:58:39.033Z","corrections":[{"obsTimeUtc":"2026-10-03T08:54:00.000Z","correctedAt":"2026-10-03T08:59:38.551Z","original":"METAR KBOS 030854Z 34010KT 10SM CLR 16/12 A3010 RMK AO2 SLP193 T01610117 53022 $","corrected":"METAR KBOS 030854Z COR 34010KT 10SM SCT037 BKN060 16/12 A3010 RMK AO2 SLP193 T01610117 53022 $"},{"obsTimeUtc":"2026-10-03T16:54:00.000Z","correctedAt":"2026-10-03T17:19:40.534Z","original":"METAR KBOS 031654Z 08011KT 10SM FEW250 18/11 A3026 RMK AO2 SLP246 T01780111 $","corrected":"METAR KBOS 031654Z COR 08011KT 10SM FEW050 FEW250 18/11 A3026 RMK AO2 SLP246 T01780111 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-03?format=record","status":"anchored","sha256":"0e12d913889f6ce9f2f3e7f6ffaee618898ee71fb992618c4155c458217da7ae","revision":"0dc30d525923bd3a","flareTxHash":"0x8fde11b4e9776b4ddf938f9f1f28aee4ac481531ea312cbaea26e516c150267d","flareBlock":71282132,"anchoredAt":"2026-10-04T07:01:07.444Z","explorer":"https://flare-explorer.flare.network/tx/0x8fde11b4e9776b4ddf938f9f1f28aee4ac481531ea312cbaea26e516c150267d","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":"2026-10-03T04:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-04T02:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":19.4,"tmin":13.3,"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":19.44,"tmin":12.22,"precip":0,"corrected":false,"issuedAt":"2026-10-04T05:37:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-03","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-03"},"observations":[{"obsTimeUtc":"2026-10-03T04:54:00.000Z","obsTimeLocal":"2026-10-03T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030454Z 32011KT 10SM OVC055 19/12 A3003 RMK AO2 SLP167 T01940117 403060189 PNO $","temp":19.4,"dewpoint":11.7,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T05:54:00.000Z","obsTimeLocal":"2026-10-03T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030554Z 32009KT 10SM BKN060 19/11 A3004 RMK AO2 SLP171 T01890111 10228 20189 51021 $","temp":18.9,"dewpoint":11.1,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T06:54:00.000Z","obsTimeLocal":"2026-10-03T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030654Z 33010KT 10SM BKN060 18/11 A3006 RMK AO2 SLP178 T01780111 $","temp":17.8,"dewpoint":11.1,"humidity":65,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T07:54:00.000Z","obsTimeLocal":"2026-10-03T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030754Z 33008G17KT 10SM SCT060 17/12 A3008 RMK AO2 SLP185 T01720117 $","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T08:54:00.000Z","obsTimeLocal":"2026-10-03T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030854Z COR 34010KT 10SM SCT037 BKN060 16/12 A3010 RMK AO2 SLP193 T01610117 53022 $","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":"2026-10-03T08:59:38.551Z","originalRaw":"METAR KBOS 030854Z 34010KT 10SM CLR 16/12 A3010 RMK AO2 SLP193 T01610117 53022 $"},{"obsTimeUtc":"2026-10-03T09:54:00.000Z","obsTimeLocal":"2026-10-03T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030954Z 34010KT 10SM FEW037 FEW060 16/11 A3014 RMK AO2 SLP207 T01560111 $","temp":15.6,"dewpoint":11.1,"humidity":75,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T10:54:00.000Z","obsTimeLocal":"2026-10-03T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031054Z 36008KT 10SM FEW250 14/10 A3018 RMK AO2 SLP218 T01440100 $","temp":14.4,"dewpoint":10,"humidity":75,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T11:54:00.000Z","obsTimeLocal":"2026-10-03T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031154Z 34009KT 10SM FEW250 16/09 A3021 RMK AO2 SLP228 T01560089 10189 20144 51034 $","temp":15.6,"dewpoint":8.9,"humidity":64,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T12:54:00.000Z","obsTimeLocal":"2026-10-03T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031254Z 35008KT 10SM FEW250 17/09 A3023 RMK AO2 SLP235 T01670089 $","temp":16.7,"dewpoint":8.9,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T13:54:00.000Z","obsTimeLocal":"2026-10-03T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031354Z 03009KT 10SM FEW250 18/09 A3025 RMK AO2 SLP241 T01830089 $","temp":18.3,"dewpoint":8.9,"humidity":54,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T14:54:00.000Z","obsTimeLocal":"2026-10-03T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031454Z 07008KT 10SM FEW250 19/09 A3025 RMK AO2 SLP243 T01890094 51015 $","temp":18.9,"dewpoint":9.4,"humidity":54,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T15:54:00.000Z","obsTimeLocal":"2026-10-03T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031554Z 08010KT 10SM FEW250 19/11 A3026 RMK AO2 SLP246 T01890106 $","temp":18.9,"dewpoint":10.6,"humidity":59,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T16:54:00.000Z","obsTimeLocal":"2026-10-03T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031654Z COR 08011KT 10SM FEW050 FEW250 18/11 A3026 RMK AO2 SLP246 T01780111 $","temp":17.8,"dewpoint":11.1,"humidity":65,"wind":5.7,"precipObserved":false,"correctedAt":"2026-10-03T17:19:40.534Z","originalRaw":"METAR KBOS 031654Z 08011KT 10SM FEW250 18/11 A3026 RMK AO2 SLP246 T01780111 $"},{"obsTimeUtc":"2026-10-03T17:54:00.000Z","obsTimeLocal":"2026-10-03T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031754Z 09013KT 10SM FEW050 FEW250 18/10 A3026 RMK AO2 SLP247 T01780100 10189 20156 51005 $","temp":17.8,"dewpoint":10,"humidity":60,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T18:54:00.000Z","obsTimeLocal":"2026-10-03T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031854Z 11012KT 10SM FEW045 FEW250 17/11 A3027 RMK AO2 SLP250 T01720106 $","temp":17.2,"dewpoint":10.6,"humidity":65,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T19:54:00.000Z","obsTimeLocal":"2026-10-03T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 031954Z 10011KT 10SM FEW045 FEW250 17/11 A3028 RMK AO2 SLP251 T01670106 $","temp":16.7,"dewpoint":10.6,"humidity":67,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T20:54:00.000Z","obsTimeLocal":"2026-10-03T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 032054Z 09010KT 10SM FEW045 FEW220 16/11 A3028 RMK AO2 SLP253 T01610111 51006 $","temp":16.1,"dewpoint":11.1,"humidity":72,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T21:54:00.000Z","obsTimeLocal":"2026-10-03T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 032154Z 09008KT 10SM FEW040 FEW220 16/10 A3029 RMK AO2 SLP257 T01560100 $","temp":15.6,"dewpoint":10,"humidity":69,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T22:54:00.000Z","obsTimeLocal":"2026-10-03T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 032254Z 08008KT 10SM FEW040 FEW220 15/10 A3031 RMK AO2 SLP263 T01500100 $","temp":15,"dewpoint":10,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T23:54:00.000Z","obsTimeLocal":"2026-10-03T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 032354Z 10006KT 10SM FEW040 FEW250 14/11 A3033 RMK AO2 SLP269 T01440106 10178 20144 53016","temp":14.4,"dewpoint":10.6,"humidity":78,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T00:54:00.000Z","obsTimeLocal":"2026-10-03T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 040054Z 12006KT 10SM FEW250 14/09 A3034 RMK AO2 SLP273 T01440094","temp":14.4,"dewpoint":9.4,"humidity":72,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T01:54:00.000Z","obsTimeLocal":"2026-10-03T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 040154Z 09005KT 10SM FEW250 14/09 A3035 RMK AO2 SLP277 T01390094","temp":13.9,"dewpoint":9.4,"humidity":74,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T02:54:00.000Z","obsTimeLocal":"2026-10-03T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 040254Z 09004KT 10SM FEW250 13/10 A3036 RMK AO2 SLP278 T01330100 51009","temp":13.3,"dewpoint":10,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T03:54:00.000Z","obsTimeLocal":"2026-10-03T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 040354Z 09003KT 10SM FEW250 14/09 A3036 RMK AO2 SLP279 T01440089","temp":14.4,"dewpoint":8.9,"humidity":70,"wind":1.5,"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/2026-10-03","json":"https://weathermarket.io/api/station/KBOS/2026-10-03","record":"https://weathermarket.io/api/station/KBOS/2026-10-03?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-02","next":"https://weathermarket.io/station/KBOS/2026-10-04","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=3&year2=2026&month2=10&day2=5&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=3&hora=4&anof=2026&mesf=10&dayf=4&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}