{"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":"2026-10-24","window":{"date":"2026-10-24","timezone":"America/New_York","dayStartUtc":"2026-10-24T04:00:00.000Z","dayEndUtc":"2026-10-25T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":13.3,"tmaxAt":"2026-10-24T18:54:00.000Z","tmin":3.3,"tminAt":"2026-10-24T10:54:00.000Z","tavg":8.2,"humidityMean":68.5,"windMean":2.4,"windMax":3.6,"windMaxAt":"2026-10-24T17:54:00.000Z","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":"2026-10-24T18:54:00.000Z","obsTimeLocal":"2026-10-24T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241854Z 11007KT 10SM SCT250 13/04 A3049 RMK AO2 SLP324 T01330039","temp":13.3,"dewpoint":3.9,"humidity":53,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-24T10:54:00.000Z","obsTimeLocal":"2026-10-24T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241054Z 30004KT 10SM CLR 03/M01 A3052 RMK AO2 SLP333 T00331011","temp":3.3,"dewpoint":-1.1,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-24T17:54:00.000Z","obsTimeLocal":"2026-10-24T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241754Z 11007KT 10SM SCT250 12/01 A3051 RMK AO2 SLP329 T01220011 10128 20044 58011","temp":12.2,"dewpoint":1.1,"humidity":47,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-25T07:00:00.000Z","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":"5dfac6bd06cf20b2","lastChangedAt":"2026-10-25T03:59:38.266Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-24?format=record","status":"anchored","sha256":"89165ed36353be7ac6346e3e0d78c3ce4133108c62251e1a346de4a9e1ae326e","revision":"5dfac6bd06cf20b2","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":23,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-24T18:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-24T10:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":13.3,"tmin":3.3,"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":13.33,"tmin":3.33,"precip":0,"corrected":false,"issuedAt":"2026-10-26T16:42:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-24","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-24"},"observations":[{"obsTimeUtc":"2026-10-24T04:54:00.000Z","obsTimeLocal":"2026-10-24T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240454Z 00000KT 10SM CLR 06/02 A3047 RMK AO2 SLP318 T00610017 401170061","temp":6.1,"dewpoint":1.7,"humidity":73,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T05:54:00.000Z","obsTimeLocal":"2026-10-24T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240554Z 30004KT 10SM CLR 06/02 A3049 RMK AO2 SLP322 T00560017 10100 20050 53008","temp":5.6,"dewpoint":1.7,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T06:54:00.000Z","obsTimeLocal":"2026-10-24T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240654Z 29006KT 10SM CLR 06/01 A3049 RMK AO2 SLP324 T00560011","temp":5.6,"dewpoint":1.1,"humidity":73,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T07:54:00.000Z","obsTimeLocal":"2026-10-24T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240754Z 00000KT 10SM CLR 06/01 A3049 RMK AO2 SLP323 T00560011","temp":5.6,"dewpoint":1.1,"humidity":73,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T08:54:00.000Z","obsTimeLocal":"2026-10-24T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240854Z 33005KT 10SM CLR 04/01 A3050 RMK AO2 SLP326 T00440006 53003","temp":4.4,"dewpoint":0.6,"humidity":76,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T09:54:00.000Z","obsTimeLocal":"2026-10-24T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240954Z 30006KT 10SM CLR 04/M01 A3051 RMK AO2 SLP329 T00441011","temp":4.4,"dewpoint":-1.1,"humidity":67,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T10:54:00.000Z","obsTimeLocal":"2026-10-24T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241054Z 30004KT 10SM CLR 03/M01 A3052 RMK AO2 SLP333 T00331011","temp":3.3,"dewpoint":-1.1,"humidity":73,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T11:54:00.000Z","obsTimeLocal":"2026-10-24T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241154Z 31004KT 10SM FEW250 04/M01 A3053 RMK AO2 SLP336 T00441011 10061 20033 51010","temp":4.4,"dewpoint":-1.1,"humidity":67,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T12:54:00.000Z","obsTimeLocal":"2026-10-24T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241254Z VRB05KT 10SM FEW250 06/M01 A3053 RMK AO2 SLP338 T00561006","temp":5.6,"dewpoint":-0.6,"humidity":64,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T13:54:00.000Z","obsTimeLocal":"2026-10-24T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241354Z 28003KT 10SM FEW250 08/M01 A3054 RMK AO2 SLP339 T00781006","temp":7.8,"dewpoint":-0.6,"humidity":55,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T14:54:00.000Z","obsTimeLocal":"2026-10-24T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241454Z 01003KT 10SM SCT250 11/M01 A3054 RMK AO2 SLP340 T01061006 51004","temp":10.6,"dewpoint":-0.6,"humidity":46,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T16:54:00.000Z","obsTimeLocal":"2026-10-24T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241654Z 12006KT 10SM SCT250 12/02 A3051 RMK AO2 SLP332 T01170017","temp":11.7,"dewpoint":1.7,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T17:54:00.000Z","obsTimeLocal":"2026-10-24T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241754Z 11007KT 10SM SCT250 12/01 A3051 RMK AO2 SLP329 T01220011 10128 20044 58011","temp":12.2,"dewpoint":1.1,"humidity":47,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T18:54:00.000Z","obsTimeLocal":"2026-10-24T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241854Z 11007KT 10SM SCT250 13/04 A3049 RMK AO2 SLP324 T01330039","temp":13.3,"dewpoint":3.9,"humidity":53,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T19:54:00.000Z","obsTimeLocal":"2026-10-24T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 241954Z 11007KT 10SM SCT250 13/05 A3049 RMK AO2 SLP323 T01280050","temp":12.8,"dewpoint":5,"humidity":59,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T20:54:00.000Z","obsTimeLocal":"2026-10-24T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 242054Z 11007KT 10SM FEW250 12/06 A3049 RMK AO2 SLP322 T01220061 56007","temp":12.2,"dewpoint":6.1,"humidity":66,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T21:54:00.000Z","obsTimeLocal":"2026-10-24T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 242154Z 12005KT 10SM FEW250 11/07 A3049 RMK AO2 SLP325 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T22:54:00.000Z","obsTimeLocal":"2026-10-24T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 242254Z 13007KT 10SM CLR 11/07 A3051 RMK AO2 SLP331 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T23:54:00.000Z","obsTimeLocal":"2026-10-24T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 242354Z 16005KT 10SM CLR 09/06 A3052 RMK AO2 SLP332 T00940061 10133 20094 51010","temp":9.4,"dewpoint":6.1,"humidity":80,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T00:54:00.000Z","obsTimeLocal":"2026-10-24T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250054Z 20005KT 10SM CLR 08/06 A3053 RMK AO2 SLP337 T00830061","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T01:54:00.000Z","obsTimeLocal":"2026-10-24T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250154Z 21006KT 10SM CLR 08/06 A3053 RMK AO2 SLP339 T00830056","temp":8.3,"dewpoint":5.6,"humidity":83,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T02:54:00.000Z","obsTimeLocal":"2026-10-24T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250254Z 21004KT 10SM CLR 08/04 A3052 RMK AO2 SLP336 T00830044 50003","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-25T03:54:00.000Z","obsTimeLocal":"2026-10-24T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 250354Z 18003KT 10SM CLR 08/04 A3053 RMK AO2 SLP337 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"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/2026-10-24","json":"https://weathermarket.io/api/station/KBOS/2026-10-24","record":"https://weathermarket.io/api/station/KBOS/2026-10-24?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-23","next":"https://weathermarket.io/station/KBOS/2026-10-25","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=24&year2=2026&month2=10&day2=26&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=24&hora=4&anof=2026&mesf=10&dayf=25&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}