{"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":"2026-10-25","window":{"date":"2026-10-25","timezone":"America/New_York","dayStartUtc":"2026-10-25T04:00:00.000Z","dayEndUtc":"2026-10-26T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":16.1,"tmaxAt":"2026-10-25T17:54:00.000Z","tmin":5.6,"tminAt":"2026-10-25T08:54:00.000Z","tavg":10.3,"humidityMean":64,"windMean":2.4,"windMax":4.6,"windMaxAt":"2026-10-25T18:54:00.000Z","precipObservedCount":0,"nObservations":22,"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":"2026-10-25T17:54:00.000Z","obsTimeLocal":"2026-10-25T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251754Z 12005KT 10SM CLR 16/01 A3049 RMK AO2 SLP322 T01610006 10167 20067 58024","temp":16.1,"dewpoint":0.6,"humidity":35,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-25T08:54:00.000Z","obsTimeLocal":"2026-10-25T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250854Z 30005KT 10SM CLR 06/02 A3053 RMK AO2 SLP339 T00560017 55001","temp":5.6,"dewpoint":1.7,"humidity":76,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-25T18:54:00.000Z","obsTimeLocal":"2026-10-25T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251854Z 12009KT 10SM CLR 16/05 A3046 RMK AO2 SLP314 T01560050","temp":15.6,"dewpoint":5,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-26T07:00:00.000Z","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":"c2967ab3b7935a57","lastChangedAt":"2026-10-26T03:57:38.619Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-25?format=record","status":"anchored","sha256":"37fed00f10eacb82b2cf71058de963d474de8c00d1d31bdbf6eb0f0ef40e429b","revision":"c2967ab3b7935a57","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":22,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-25T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-25T08:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":16.1,"tmin":5.6,"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":16.67,"tmin":4.44,"precip":0,"corrected":false,"issuedAt":"2026-10-26T05:35:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-25","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-25"},"observations":[{"obsTimeUtc":"2026-10-25T04:54:00.000Z","obsTimeLocal":"2026-10-25T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250454Z 00000KT 10SM CLR 08/05 A3053 RMK AO2 SLP337 T00780050 401330033","temp":7.8,"dewpoint":5,"humidity":82,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T05:54:00.000Z","obsTimeLocal":"2026-10-25T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250554Z 00000KT 10SM CLR 07/04 A3054 RMK AO2 SLP340 T00670044 10094 20061 53004","temp":6.7,"dewpoint":4.4,"humidity":85,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T06:54:00.000Z","obsTimeLocal":"2026-10-25T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250654Z 30004KT 10SM CLR 06/04 A3054 RMK AO2 SLP339 T00610039","temp":6.1,"dewpoint":3.9,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T07:54:00.000Z","obsTimeLocal":"2026-10-25T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250754Z 29003KT 10SM CLR 06/03 A3053 RMK AO2 SLP337 T00610033","temp":6.1,"dewpoint":3.3,"humidity":82,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T08:54:00.000Z","obsTimeLocal":"2026-10-25T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250854Z 30005KT 10SM CLR 06/02 A3053 RMK AO2 SLP339 T00560017 55001","temp":5.6,"dewpoint":1.7,"humidity":76,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T09:54:00.000Z","obsTimeLocal":"2026-10-25T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250954Z 32003KT 10SM CLR 06/00 A3054 RMK AO2 SLP340 T00610000","temp":6.1,"dewpoint":0,"humidity":65,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T10:54:00.000Z","obsTimeLocal":"2026-10-25T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251054Z 29003KT 10SM CLR 06/00 A3054 RMK AO2 SLP341 T00560000","temp":5.6,"dewpoint":0,"humidity":67,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T11:54:00.000Z","obsTimeLocal":"2026-10-25T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251154Z 30003KT 10SM CLR 07/M01 A3055 RMK AO2 SLP345 T00671006 10072 20044 53006","temp":6.7,"dewpoint":-0.6,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T12:54:00.000Z","obsTimeLocal":"2026-10-25T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251254Z 28003KT 10SM CLR 08/01 A3056 RMK AO2 SLP347 T00780006","temp":7.8,"dewpoint":0.6,"humidity":60,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T13:54:00.000Z","obsTimeLocal":"2026-10-25T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251354Z 00000KT 10SM FEW250 10/00 A3056 RMK AO2 SLP348 T01000000","temp":10,"dewpoint":0,"humidity":50,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T14:54:00.000Z","obsTimeLocal":"2026-10-25T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251454Z 14005KT 10SM CLR 12/04 A3056 RMK AO2 SLP346 T01170044 50001","temp":11.7,"dewpoint":4.4,"humidity":61,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T16:54:00.000Z","obsTimeLocal":"2026-10-25T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251654Z 11003KT 10SM CLR 15/M02 A3051 RMK AO2 SLP331 T01501017","temp":15,"dewpoint":-1.7,"humidity":32,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T17:54:00.000Z","obsTimeLocal":"2026-10-25T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251754Z 12005KT 10SM CLR 16/01 A3049 RMK AO2 SLP322 T01610006 10167 20067 58024","temp":16.1,"dewpoint":0.6,"humidity":35,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T18:54:00.000Z","obsTimeLocal":"2026-10-25T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251854Z 12009KT 10SM CLR 16/05 A3046 RMK AO2 SLP314 T01560050","temp":15.6,"dewpoint":5,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T19:54:00.000Z","obsTimeLocal":"2026-10-25T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 251954Z 12009KT 10SM CLR 15/06 A3045 RMK AO2 SLP310 T01500061","temp":15,"dewpoint":6.1,"humidity":55,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T20:54:00.000Z","obsTimeLocal":"2026-10-25T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 252054Z 13007KT 10SM CLR 14/09 A3043 RMK AO2 SLP304 T01440094 56019","temp":14.4,"dewpoint":9.4,"humidity":72,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T21:54:00.000Z","obsTimeLocal":"2026-10-25T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 252154Z 12005KT 10SM CLR 13/09 A3042 RMK AO2 SLP299 T01330089","temp":13.3,"dewpoint":8.9,"humidity":75,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T22:54:00.000Z","obsTimeLocal":"2026-10-25T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 252254Z 17004KT 10SM CLR 13/09 A3041 RMK AO2 SLP297 T01280089","temp":12.8,"dewpoint":8.9,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T23:54:00.000Z","obsTimeLocal":"2026-10-25T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 252354Z 19008KT 10SM CLR 13/02 A3040 RMK AO2 SLP295 T01280022 10161 20111 56009","temp":12.8,"dewpoint":2.2,"humidity":48,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T01:54:00.000Z","obsTimeLocal":"2026-10-25T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260154Z 21009KT 10SM CLR 11/03 A3038 RMK AO2 SLP285 T01060033","temp":10.6,"dewpoint":3.3,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T02:54:00.000Z","obsTimeLocal":"2026-10-25T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260254Z 22007KT 10SM CLR 11/04 A3036 RMK AO2 SLP281 T01060039 56014","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T03:54:00.000Z","obsTimeLocal":"2026-10-25T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260354Z 20006KT 10SM CLR 09/03 A3035 RMK AO2 SLP275 T00940033","temp":9.4,"dewpoint":3.3,"humidity":66,"wind":3.1,"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/2026-10-25","json":"https://weathermarket.io/api/station/KBOS/2026-10-25","record":"https://weathermarket.io/api/station/KBOS/2026-10-25?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-24","next":"https://weathermarket.io/station/KBOS/2026-10-26","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=25&year2=2026&month2=10&day2=27&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=25&hora=4&anof=2026&mesf=10&dayf=26&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}