{"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":"2026-10-07","window":{"date":"2026-10-07","timezone":"America/New_York","dayStartUtc":"2026-10-07T04:00:00.000Z","dayEndUtc":"2026-10-08T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":18.9,"tmaxAt":"2026-10-07T18:54:00.000Z","tmin":7.8,"tminAt":"2026-10-07T08:54:00.000Z","tavg":13.1,"humidityMean":50.4,"windMean":4.2,"windMax":7.7,"windMaxAt":"2026-10-07T22:54:00.000Z","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":"2026-10-07T18:54:00.000Z","obsTimeLocal":"2026-10-07T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071854Z 18008KT 10SM FEW250 19/01 A2992 RMK AO2 SLP130 T01890006","temp":18.9,"dewpoint":0.6,"humidity":29,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-07T08:54:00.000Z","obsTimeLocal":"2026-10-07T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070854Z 00000KT 10SM CLR 08/01 A3005 RMK AO2 SLP176 T00780006 55001","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-07T22:54:00.000Z","obsTimeLocal":"2026-10-07T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 072254Z 19015KT 10SM FEW130 FEW250 15/06 A2988 RMK AO2 SLP119 T01500061","temp":15,"dewpoint":6.1,"humidity":55,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-08T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"4464ce95d6e77e4b","lastChangedAt":"2026-10-08T04:11:40.588Z","corrections":[{"obsTimeUtc":"2026-10-08T03:54:00.000Z","correctedAt":"2026-10-08T04:11:40.588Z","original":"METAR KBOS 080354Z 21013KT 10SM FEW250 14/09 A2986 RMK AO2 SLP109 T01390089","corrected":"METAR KBOS 080354Z COR 21013KT 10SM FEW011 FEW250 14/09 A2986 RMK AO2 SLP109 T01390089"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-07?format=record","status":"anchored","sha256":"7df933187ace229aa415507354036decddc5051c9dd32e00e91a7271f1d02d12","revision":"4464ce95d6e77e4b","flareTxHash":"0x8901e9806c7525f98cfe106968208a10b0e452499d9ad5877e0ca332dfbdae56","flareBlock":71598895,"anchoredAt":"2026-10-08T07:01:56.146Z","explorer":"https://flare-explorer.flare.network/tx/0x8901e9806c7525f98cfe106968208a10b0e452499d9ad5877e0ca332dfbdae56","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":"2026-10-07T18:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-07T08:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.9,"tmin":7.8,"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":18.89,"tmin":6.11,"precip":0,"corrected":false,"issuedAt":"2026-10-08T05:17:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-07","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-07"},"observations":[{"obsTimeUtc":"2026-10-07T04:54:00.000Z","obsTimeLocal":"2026-10-07T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070454Z 27008KT 10SM CLR 09/01 A3006 RMK AO2 SLP177 T00940006 401720083","temp":9.4,"dewpoint":0.6,"humidity":54,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T05:54:00.000Z","obsTimeLocal":"2026-10-07T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070554Z 29007KT 10SM CLR 09/01 A3006 RMK AO2 SLP178 T00940006 10139 20094 51006","temp":9.4,"dewpoint":0.6,"humidity":54,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T06:54:00.000Z","obsTimeLocal":"2026-10-07T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070654Z 29008KT 10SM CLR 09/01 A3005 RMK AO2 SLP176 T00890011","temp":8.9,"dewpoint":1.1,"humidity":58,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T07:54:00.000Z","obsTimeLocal":"2026-10-07T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070754Z 28006KT 10SM CLR 08/01 A3005 RMK AO2 SLP175 T00830011","temp":8.3,"dewpoint":1.1,"humidity":60,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T08:54:00.000Z","obsTimeLocal":"2026-10-07T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070854Z 00000KT 10SM CLR 08/01 A3005 RMK AO2 SLP176 T00780006 55001","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T09:54:00.000Z","obsTimeLocal":"2026-10-07T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 070954Z 00000KT 10SM CLR 08/01 A3006 RMK AO2 SLP178 T00780006","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T10:54:00.000Z","obsTimeLocal":"2026-10-07T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071054Z 29004KT 10SM FEW250 08/01 A3007 RMK AO2 SLP182 T00780006","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T11:54:00.000Z","obsTimeLocal":"2026-10-07T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071154Z 22004KT 10SM FEW250 09/02 A3007 RMK AO2 SLP183 T00890022 10094 20061 51007","temp":8.9,"dewpoint":2.2,"humidity":63,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T12:54:00.000Z","obsTimeLocal":"2026-10-07T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071254Z 23003KT 10SM FEW250 12/01 A3007 RMK AO2 SLP182 T01170011","temp":11.7,"dewpoint":1.1,"humidity":48,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T13:54:00.000Z","obsTimeLocal":"2026-10-07T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071354Z 22005KT 10SM FEW250 13/01 A3006 RMK AO2 SLP179 T01280006","temp":12.8,"dewpoint":0.6,"humidity":43,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T14:54:00.000Z","obsTimeLocal":"2026-10-07T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071454Z 21011KT 10SM FEW250 15/00 A3004 RMK AO2 SLP173 T01500000 58010","temp":15,"dewpoint":0,"humidity":36,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T15:54:00.000Z","obsTimeLocal":"2026-10-07T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071554Z 25008G17KT 10SM FEW250 16/M05 A3001 RMK AO2 SLP162 T01611050","temp":16.1,"dewpoint":-5,"humidity":23,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T16:54:00.000Z","obsTimeLocal":"2026-10-07T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071654Z 21012G17KT 10SM FEW250 17/M03 A2998 RMK AO2 SLP150 T01721028","temp":17.2,"dewpoint":-2.8,"humidity":25,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T17:54:00.000Z","obsTimeLocal":"2026-10-07T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071754Z 21011G17KT 10SM FEW250 18/00 A2995 RMK AO2 SLP141 T01830000 10183 20089 56032","temp":18.3,"dewpoint":0,"humidity":29,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T18:54:00.000Z","obsTimeLocal":"2026-10-07T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071854Z 18008KT 10SM FEW250 19/01 A2992 RMK AO2 SLP130 T01890006","temp":18.9,"dewpoint":0.6,"humidity":29,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T19:54:00.000Z","obsTimeLocal":"2026-10-07T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 071954Z 19009KT 10SM FEW250 19/02 A2990 RMK AO2 SLP126 T01890022","temp":18.9,"dewpoint":2.2,"humidity":33,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T20:54:00.000Z","obsTimeLocal":"2026-10-07T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 072054Z 19014KT 10SM FEW250 18/04 A2989 RMK AO2 SLP120 T01780039 56020","temp":17.8,"dewpoint":3.9,"humidity":40,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T21:54:00.000Z","obsTimeLocal":"2026-10-07T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 072154Z 20014G21KT 10SM FEW250 16/04 A2989 RMK AO2 SLP120 T01610044","temp":16.1,"dewpoint":4.4,"humidity":46,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T22:54:00.000Z","obsTimeLocal":"2026-10-07T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 072254Z 19015KT 10SM FEW130 FEW250 15/06 A2988 RMK AO2 SLP119 T01500061","temp":15,"dewpoint":6.1,"humidity":55,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-07T23:54:00.000Z","obsTimeLocal":"2026-10-07T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 072354Z 20011KT 10SM FEW120 FEW250 14/07 A2988 RMK AO2 SLP119 T01440067 10189 20144 56001","temp":14.4,"dewpoint":6.7,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T00:54:00.000Z","obsTimeLocal":"2026-10-07T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080054Z 21009KT 10SM FEW120 14/07 A2989 RMK AO2 SLP120 T01390067","temp":13.9,"dewpoint":6.7,"humidity":62,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T01:54:00.000Z","obsTimeLocal":"2026-10-07T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080154Z 21009KT 10SM FEW250 13/07 A2989 RMK AO2 SLP120 T01330072","temp":13.3,"dewpoint":7.2,"humidity":67,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T02:54:00.000Z","obsTimeLocal":"2026-10-07T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080254Z 21009KT 10SM FEW250 13/08 A2987 RMK AO2 SLP114 T01330083 58005","temp":13.3,"dewpoint":8.3,"humidity":72,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T03:54:00.000Z","obsTimeLocal":"2026-10-07T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080354Z COR 21013KT 10SM FEW011 FEW250 14/09 A2986 RMK AO2 SLP109 T01390089","temp":13.9,"dewpoint":8.9,"humidity":72,"wind":6.7,"precipObserved":false,"correctedAt":"2026-10-08T04:11:40.588Z","originalRaw":"METAR KBOS 080354Z 21013KT 10SM FEW250 14/09 A2986 RMK AO2 SLP109 T01390089"}],"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/2026-10-07","json":"https://weathermarket.io/api/station/KBOS/2026-10-07","record":"https://weathermarket.io/api/station/KBOS/2026-10-07?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-06","next":"https://weathermarket.io/station/KBOS/2026-10-08","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=7&year2=2026&month2=10&day2=9&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=7&hora=4&anof=2026&mesf=10&dayf=8&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}