{"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":"2026-10-26","window":{"date":"2026-10-26","timezone":"America/New_York","dayStartUtc":"2026-10-26T04:00:00.000Z","dayEndUtc":"2026-10-27T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":22.2,"tmaxAt":"2026-10-26T19:54:00.000Z","tmin":7.2,"tminAt":"2026-10-26T07:54:00.000Z","tavg":14.9,"humidityMean":44,"windMean":3.9,"windMax":7.2,"windMaxAt":"2026-10-27T03:54:00.000Z","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":"2026-10-26T19:54:00.000Z","obsTimeLocal":"2026-10-26T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261954Z 25007KT 10SM FEW170 FEW250 22/01 A3003 RMK AO2 SLP169 T02220006","temp":22.2,"dewpoint":0.6,"humidity":24,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-26T07:54:00.000Z","obsTimeLocal":"2026-10-26T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260754Z 21007KT 10SM CLR 07/01 A3026 RMK AO2 SLP247 T00720011","temp":7.2,"dewpoint":1.1,"humidity":65,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-27T03:54:00.000Z","obsTimeLocal":"2026-10-26T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 270354Z 34014G25KT 10SM SCT060 BKN150 15/07 A3014 RMK AO2 SLP205 T01500072","temp":15,"dewpoint":7.2,"humidity":60,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-27T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"5db0d02f25dcc2df","lastChangedAt":"2026-10-27T03:57:38.587Z","corrections":[{"obsTimeUtc":"2026-10-27T02:54:00.000Z","correctedAt":"2026-10-27T03:00:40.593Z","original":"METAR KBOS 270254Z 33011KT 10SM FEW150 16/06 A3012 RMK AO2 SLP199 T01560061 53023","corrected":"METAR KBOS 270254Z COR 33011KT 10SM SCT055 BKN150 16/06 A3012 RMK AO2 SLP199 T01560061 53023"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-26?format=record","status":"anchored","sha256":"314920800c0f13c3cd36382388340e9cc5665c1578b026cd52508eb87b7e8ff8","revision":"5db0d02f25dcc2df","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":"2026-10-26T19:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-26T07:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":22.2,"tmin":7.2,"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":22.78,"tmin":6.67,"precip":0,"corrected":false,"issuedAt":"2026-10-27T05:29:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-26","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-26"},"observations":[{"obsTimeUtc":"2026-10-26T04:54:00.000Z","obsTimeLocal":"2026-10-26T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260454Z 22008KT 10SM CLR 09/02 A3032 RMK AO2 SLP268 T00940022 401670044","temp":9.4,"dewpoint":2.2,"humidity":61,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T05:54:00.000Z","obsTimeLocal":"2026-10-26T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260554Z 22011KT 10SM CLR 09/02 A3030 RMK AO2 SLP259 T00890017 10122 20078 58022","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T06:54:00.000Z","obsTimeLocal":"2026-10-26T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260654Z 22010KT 10SM CLR 08/02 A3029 RMK AO2 SLP256 T00830017","temp":8.3,"dewpoint":1.7,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T07:54:00.000Z","obsTimeLocal":"2026-10-26T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260754Z 21007KT 10SM CLR 07/01 A3026 RMK AO2 SLP247 T00720011","temp":7.2,"dewpoint":1.1,"humidity":65,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T08:54:00.000Z","obsTimeLocal":"2026-10-26T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260854Z 21007KT 10SM CLR 07/01 A3025 RMK AO2 SLP242 T00720006 58017","temp":7.2,"dewpoint":0.6,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T09:54:00.000Z","obsTimeLocal":"2026-10-26T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 260954Z VRB06KT 10SM CLR 09/01 A3023 RMK AO2 SLP237 T00890006","temp":8.9,"dewpoint":0.6,"humidity":56,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T10:54:00.000Z","obsTimeLocal":"2026-10-26T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261054Z 23005KT 10SM FEW200 08/01 A3022 RMK AO2 SLP232 T00830006","temp":8.3,"dewpoint":0.6,"humidity":58,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T11:54:00.000Z","obsTimeLocal":"2026-10-26T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261154Z 21007KT 10SM FEW200 08/01 A3022 RMK AO2 SLP231 T00780011 10100 20067 56011","temp":7.8,"dewpoint":1.1,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T12:54:00.000Z","obsTimeLocal":"2026-10-26T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261254Z VRB03KT 10SM FEW160 12/02 A3020 RMK AO2 SLP226 T01170017","temp":11.7,"dewpoint":1.7,"humidity":50,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T13:54:00.000Z","obsTimeLocal":"2026-10-26T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261354Z 28006KT 10SM FEW160 14/01 A3019 RMK AO2 SLP224 T01390006","temp":13.9,"dewpoint":0.6,"humidity":40,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T14:54:00.000Z","obsTimeLocal":"2026-10-26T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261454Z 25004KT 10SM FEW160 16/00 A3016 RMK AO2 SLP213 T01560000 58019","temp":15.6,"dewpoint":0,"humidity":35,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T15:54:00.000Z","obsTimeLocal":"2026-10-26T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261554Z 24007KT 10SM SCT170 18/01 A3013 RMK AO2 SLP204 T01780011","temp":17.8,"dewpoint":1.1,"humidity":33,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T16:54:00.000Z","obsTimeLocal":"2026-10-26T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261654Z 28008KT 10SM SCT170 19/01 A3011 RMK AO2 SLP194 T01890006","temp":18.9,"dewpoint":0.6,"humidity":29,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T17:54:00.000Z","obsTimeLocal":"2026-10-26T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261754Z 25006KT 10SM FEW170 FEW250 21/01 A3007 RMK AO2 SLP181 T02060006 10211 20078 58032","temp":20.6,"dewpoint":0.6,"humidity":26,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T18:54:00.000Z","obsTimeLocal":"2026-10-26T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261854Z 26006KT 10SM FEW170 FEW250 21/00 A3004 RMK AO2 SLP172 T02110000","temp":21.1,"dewpoint":0,"humidity":24,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T19:54:00.000Z","obsTimeLocal":"2026-10-26T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 261954Z 25007KT 10SM FEW170 FEW250 22/01 A3003 RMK AO2 SLP169 T02220006","temp":22.2,"dewpoint":0.6,"humidity":24,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T20:54:00.000Z","obsTimeLocal":"2026-10-26T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 262054Z 25007KT 10SM FEW120 FEW170 FEW250 22/00 A3002 RMK AO2 SLP166 T02170000 56015","temp":21.7,"dewpoint":0,"humidity":24,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T21:54:00.000Z","obsTimeLocal":"2026-10-26T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 262154Z 28008KT 240V310 10SM FEW120 FEW250 22/01 A3004 RMK AO2 SLP170 T02170011","temp":21.7,"dewpoint":1.1,"humidity":26,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T22:54:00.000Z","obsTimeLocal":"2026-10-26T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 262254Z 27007KT 10SM FEW120 SCT250 20/02 A3004 RMK AO2 SLP173 T02000017","temp":20,"dewpoint":1.7,"humidity":30,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-26T23:54:00.000Z","obsTimeLocal":"2026-10-26T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 262354Z 25008G18KT 180V280 10SM FEW110 FEW250 19/03 A3005 RMK AO2 SLP176 T01940028 10228 20183 51010","temp":19.4,"dewpoint":2.8,"humidity":33,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T00:54:00.000Z","obsTimeLocal":"2026-10-26T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 270054Z 29009G17KT 10SM SCT110 19/04 A3007 RMK AO2 SLP181 T01890039","temp":18.9,"dewpoint":3.9,"humidity":37,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T01:54:00.000Z","obsTimeLocal":"2026-10-26T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 270154Z 32010KT 10SM SCT110 17/04 A3009 RMK AO2 SLP189 T01670039","temp":16.7,"dewpoint":3.9,"humidity":43,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-27T02:54:00.000Z","obsTimeLocal":"2026-10-26T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 270254Z COR 33011KT 10SM SCT055 BKN150 16/06 A3012 RMK AO2 SLP199 T01560061 53023","temp":15.6,"dewpoint":6.1,"humidity":53,"wind":5.7,"precipObserved":false,"correctedAt":"2026-10-27T03:00:40.593Z","originalRaw":"METAR KBOS 270254Z 33011KT 10SM FEW150 16/06 A3012 RMK AO2 SLP199 T01560061 53023"},{"obsTimeUtc":"2026-10-27T03:54:00.000Z","obsTimeLocal":"2026-10-26T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 270354Z 34014G25KT 10SM SCT060 BKN150 15/07 A3014 RMK AO2 SLP205 T01500072","temp":15,"dewpoint":7.2,"humidity":60,"wind":7.2,"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/2026-10-26","json":"https://weathermarket.io/api/station/KBOS/2026-10-26","record":"https://weathermarket.io/api/station/KBOS/2026-10-26?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-25","next":"https://weathermarket.io/station/KBOS/2026-10-27","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=26&year2=2026&month2=10&day2=28&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=26&hora=4&anof=2026&mesf=10&dayf=27&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}