{"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":"2026-10-22","window":{"date":"2026-10-22","timezone":"America/New_York","dayStartUtc":"2026-10-22T04:00:00.000Z","dayEndUtc":"2026-10-23T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":17.8,"tmaxAt":"2026-10-22T18:54:00.000Z","tmin":8.3,"tminAt":"2026-10-22T07:54:00.000Z","tavg":12.2,"humidityMean":54,"windMean":5.6,"windMax":8.7,"windMaxAt":"2026-10-22T16:54:00.000Z","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":"2026-10-22T18:54:00.000Z","obsTimeLocal":"2026-10-22T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221854Z 36015G23KT 10SM FEW110 BKN250 18/M03 A2991 RMK AO2 SLP127 T01781028","temp":17.8,"dewpoint":-2.8,"humidity":24,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-22T07:54:00.000Z","obsTimeLocal":"2026-10-22T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220754Z 35010KT 10SM FEW180 BKN250 08/04 A2997 RMK AO2 SLP149 T00830039","temp":8.3,"dewpoint":3.9,"humidity":74,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-22T16:54:00.000Z","obsTimeLocal":"2026-10-22T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221654Z 36017G23KT 10SM FEW180 BKN250 16/01 A2994 RMK AO2 SLP138 T01560006","temp":15.6,"dewpoint":0.6,"humidity":36,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-23T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"675b2c73e7fbbd98","lastChangedAt":"2026-10-23T03:58:38.834Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-22?format=record","status":"anchored","sha256":"0bca40642d0c90504f84788b027980a17dd9e04846bd9a12260d568ecbb65038","revision":"675b2c73e7fbbd98","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":"2026-10-22T18:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-22T07:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17.8,"tmin":8.3,"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":18.33,"tmin":8.33,"precip":0,"corrected":false,"issuedAt":"2026-10-23T05:26:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-22","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-22"},"observations":[{"obsTimeUtc":"2026-10-22T04:54:00.000Z","obsTimeLocal":"2026-10-22T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220454Z 35011KT 10SM SCT180 BKN250 09/06 A3005 RMK AO2 SLP175 T00890061 401330078","temp":8.9,"dewpoint":6.1,"humidity":83,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T05:54:00.000Z","obsTimeLocal":"2026-10-22T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220554Z 35010KT 10SM SCT180 BKN250 09/05 A3002 RMK AO2 SLP163 T00890050 10111 20089 58031","temp":8.9,"dewpoint":5,"humidity":77,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T06:54:00.000Z","obsTimeLocal":"2026-10-22T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220654Z 35011KT 10SM SCT180 BKN250 09/04 A3000 RMK AO2 SLP159 T00890044","temp":8.9,"dewpoint":4.4,"humidity":73,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T07:54:00.000Z","obsTimeLocal":"2026-10-22T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220754Z 35010KT 10SM FEW180 BKN250 08/04 A2997 RMK AO2 SLP149 T00830039","temp":8.3,"dewpoint":3.9,"humidity":74,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T08:54:00.000Z","obsTimeLocal":"2026-10-22T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220854Z 34010G18KT 10SM FEW180 BKN250 08/03 A2996 RMK AO2 SLP145 T00830028 56018","temp":8.3,"dewpoint":2.8,"humidity":68,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T09:54:00.000Z","obsTimeLocal":"2026-10-22T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 220954Z 35010KT 10SM FEW180 OVC250 08/03 A2998 RMK AO2 SLP151 T00830028","temp":8.3,"dewpoint":2.8,"humidity":68,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T10:54:00.000Z","obsTimeLocal":"2026-10-22T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221054Z 34008KT 10SM OVC220 08/02 A2997 RMK AO2 SLP146 T00830022","temp":8.3,"dewpoint":2.2,"humidity":65,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T11:54:00.000Z","obsTimeLocal":"2026-10-22T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221154Z 33012KT 10SM BKN220 08/02 A2997 RMK AO2 SLP148 T00830022 10089 20083 51002","temp":8.3,"dewpoint":2.2,"humidity":65,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T12:54:00.000Z","obsTimeLocal":"2026-10-22T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221254Z 35014G25KT 10SM FEW050 BKN220 09/03 A2998 RMK AO2 SLP151 T00940028","temp":9.4,"dewpoint":2.8,"humidity":63,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T13:54:00.000Z","obsTimeLocal":"2026-10-22T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221354Z 34014G24KT 10SM BKN220 11/02 A2998 RMK AO2 SLP150 T01110022","temp":11.1,"dewpoint":2.2,"humidity":54,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T14:54:00.000Z","obsTimeLocal":"2026-10-22T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221454Z 36014KT 10SM BKN250 12/02 A2996 RMK AO2 SLP143 T01220022 58004","temp":12.2,"dewpoint":2.2,"humidity":50,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T15:54:00.000Z","obsTimeLocal":"2026-10-22T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221554Z 01014G23KT 10SM FEW180 BKN250 14/02 A2996 RMK AO2 SLP143 T01390017","temp":13.9,"dewpoint":1.7,"humidity":44,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T16:54:00.000Z","obsTimeLocal":"2026-10-22T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221654Z 36017G23KT 10SM FEW180 BKN250 16/01 A2994 RMK AO2 SLP138 T01560006","temp":15.6,"dewpoint":0.6,"humidity":36,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T17:54:00.000Z","obsTimeLocal":"2026-10-22T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221754Z 35012G19KT 10SM FEW130 BKN250 17/M01 A2992 RMK AO2 SLP130 T01671006 10167 20083 58014","temp":16.7,"dewpoint":-0.6,"humidity":31,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T18:54:00.000Z","obsTimeLocal":"2026-10-22T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221854Z 36015G23KT 10SM FEW110 BKN250 18/M03 A2991 RMK AO2 SLP127 T01781028","temp":17.8,"dewpoint":-2.8,"humidity":24,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T19:54:00.000Z","obsTimeLocal":"2026-10-22T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 221954Z 01011KT 10SM BKN250 18/M01 A2991 RMK AO2 SLP127 T01781011","temp":17.8,"dewpoint":-1.1,"humidity":28,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T20:54:00.000Z","obsTimeLocal":"2026-10-22T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 222054Z 06008KT 10SM SCT250 16/04 A2992 RMK AO2 SLP132 T01560044 53002","temp":15.6,"dewpoint":4.4,"humidity":47,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T21:54:00.000Z","obsTimeLocal":"2026-10-22T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 222154Z 06006KT 10SM FEW100 FEW250 14/05 A2994 RMK AO2 SLP138 T01390050","temp":13.9,"dewpoint":5,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T22:54:00.000Z","obsTimeLocal":"2026-10-22T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 222254Z 00000KT 10SM SCT070 BKN250 13/02 A2997 RMK AO2 SLP148 T01330022","temp":13.3,"dewpoint":2.2,"humidity":47,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-22T23:54:00.000Z","obsTimeLocal":"2026-10-22T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 222354Z 34006KT 10SM BKN065 OVC250 14/02 A3000 RMK AO2 SLP158 T01390022 10183 20128 53026","temp":13.9,"dewpoint":2.2,"humidity":45,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T00:54:00.000Z","obsTimeLocal":"2026-10-22T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230054Z 36009KT 10SM BKN055 OVC250 14/03 A3004 RMK AO2 SLP170 T01390033","temp":13.9,"dewpoint":3.3,"humidity":49,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T01:54:00.000Z","obsTimeLocal":"2026-10-22T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230154Z 35014KT 10SM SCT050 BKN250 14/04 A3006 RMK AO2 SLP178 T01390039","temp":13.9,"dewpoint":3.9,"humidity":51,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T02:54:00.000Z","obsTimeLocal":"2026-10-22T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230254Z 36014G23KT 10SM FEW055 13/02 A3009 RMK AO2 SLP188 T01280022 51029","temp":12.8,"dewpoint":2.2,"humidity":48,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T03:54:00.000Z","obsTimeLocal":"2026-10-22T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230354Z 34010G16KT 10SM FEW055 12/02 A3010 RMK AO2 SLP193 T01170022","temp":11.7,"dewpoint":2.2,"humidity":52,"wind":5.1,"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/2026-10-22","json":"https://weathermarket.io/api/station/KBOS/2026-10-22","record":"https://weathermarket.io/api/station/KBOS/2026-10-22?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-21","next":"https://weathermarket.io/station/KBOS/2026-10-23","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=22&year2=2026&month2=10&day2=24&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=22&hora=4&anof=2026&mesf=10&dayf=23&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}