{"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":"2026-11-04","window":{"date":"2026-11-04","timezone":"America/New_York","dayStartUtc":"2026-11-04T05:00:00.000Z","dayEndUtc":"2026-11-05T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":25,"tmaxAt":"2026-11-04T17:54:00.000Z","tmin":13.3,"tminAt":"2026-11-04T10:54:00.000Z","tavg":18.3,"humidityMean":63.6,"windMean":5.2,"windMax":8.2,"windMaxAt":"2026-11-04T17:54:00.000Z","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":"2026-11-04T17:54:00.000Z","obsTimeLocal":"2026-11-04T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041754Z 23016KT 10SM FEW250 25/11 A3003 RMK AO2 SLP169 T02500106 10250 20139 58030","temp":25,"dewpoint":10.6,"humidity":40,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-04T10:54:00.000Z","obsTimeLocal":"2026-11-04T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041054Z 21007KT 10SM FEW090 FEW250 13/10 A3014 RMK AO2 SLP205 T01330100","temp":13.3,"dewpoint":10,"humidity":80,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-04T17:54:00.000Z","obsTimeLocal":"2026-11-04T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041754Z 23016KT 10SM FEW250 25/11 A3003 RMK AO2 SLP169 T02500106 10250 20139 58030","temp":25,"dewpoint":10.6,"humidity":40,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-05T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"4b3eb2b5b676472c","lastChangedAt":"2026-11-05T05:04:10.845Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-04?format=record","status":"anchored","sha256":"303bd6fe9e3c953be4a766fba8939a01afca0a8fd965c9a8c1f59d69c37a982b","revision":"4b3eb2b5b676472c","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":"2026-11-04T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-04T10:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":25,"tmin":13.3,"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":25,"tmin":13.33,"precip":0,"corrected":false,"issuedAt":"2026-11-05T06:03:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-04","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-04"},"observations":[{"obsTimeUtc":"2026-11-04T05:54:00.000Z","obsTimeLocal":"2026-11-04T00:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040554Z 22007KT 10SM SCT090 16/07 A3016 RMK AO2 SLP213 T01560067 10189 20156 56009","temp":15.6,"dewpoint":6.7,"humidity":55,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T06:54:00.000Z","obsTimeLocal":"2026-11-04T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040654Z 23005KT 10SM SCT090 16/08 A3016 RMK AO2 SLP211 T01560078","temp":15.6,"dewpoint":7.8,"humidity":60,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T07:54:00.000Z","obsTimeLocal":"2026-11-04T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040754Z 21006KT 10SM SCT090 14/08 A3014 RMK AO2 SLP205 T01440083","temp":14.4,"dewpoint":8.3,"humidity":67,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T08:54:00.000Z","obsTimeLocal":"2026-11-04T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040854Z 22008KT 10SM FEW090 14/09 A3014 RMK AO2 SLP204 T01440094 56009","temp":14.4,"dewpoint":9.4,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T09:54:00.000Z","obsTimeLocal":"2026-11-04T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040954Z 22008KT 10SM FEW090 14/10 A3013 RMK AO2 SLP203 T01440100","temp":14.4,"dewpoint":10,"humidity":75,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T10:54:00.000Z","obsTimeLocal":"2026-11-04T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041054Z 21007KT 10SM FEW090 FEW250 13/10 A3014 RMK AO2 SLP205 T01330100","temp":13.3,"dewpoint":10,"humidity":80,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T11:54:00.000Z","obsTimeLocal":"2026-11-04T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041154Z 21008KT 10SM FEW090 SCT250 14/11 A3014 RMK AO2 SLP207 T01390106 10161 20133 53003","temp":13.9,"dewpoint":10.6,"humidity":81,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T12:54:00.000Z","obsTimeLocal":"2026-11-04T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041254Z 22008G18KT 10SM FEW090 FEW250 16/11 A3014 RMK AO2 SLP207 T01560111","temp":15.6,"dewpoint":11.1,"humidity":75,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T13:54:00.000Z","obsTimeLocal":"2026-11-04T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041354Z 21008KT 10SM FEW090 SCT250 18/12 A3013 RMK AO2 SLP203 T01780117","temp":17.8,"dewpoint":11.7,"humidity":67,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T14:54:00.000Z","obsTimeLocal":"2026-11-04T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041454Z 22012KT 10SM FEW090 BKN250 20/12 A3012 RMK AO2 SLP198 T02000117 58009","temp":20,"dewpoint":11.7,"humidity":59,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T15:54:00.000Z","obsTimeLocal":"2026-11-04T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041554Z 21013KT 10SM FEW090 SCT250 21/12 A3010 RMK AO2 SLP191 T02110122","temp":21.1,"dewpoint":12.2,"humidity":57,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T16:54:00.000Z","obsTimeLocal":"2026-11-04T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041654Z 21013KT 10SM FEW250 23/13 A3006 RMK AO2 SLP177 T02330128","temp":23.3,"dewpoint":12.8,"humidity":52,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T17:54:00.000Z","obsTimeLocal":"2026-11-04T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041754Z 23016KT 10SM FEW250 25/11 A3003 RMK AO2 SLP169 T02500106 10250 20139 58030","temp":25,"dewpoint":10.6,"humidity":40,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T18:54:00.000Z","obsTimeLocal":"2026-11-04T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041854Z 21014G20KT 10SM FEW250 24/12 A3002 RMK AO2 SLP163 T02440117","temp":24.4,"dewpoint":11.7,"humidity":45,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T19:54:00.000Z","obsTimeLocal":"2026-11-04T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 041954Z 22013G20KT 10SM FEW250 24/12 A3000 RMK AO2 SLP160 T02440117","temp":24.4,"dewpoint":11.7,"humidity":45,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T20:54:00.000Z","obsTimeLocal":"2026-11-04T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 042054Z 20009KT 10SM FEW250 23/12 A3000 RMK AO2 SLP158 T02280117 56010","temp":22.8,"dewpoint":11.7,"humidity":50,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T21:54:00.000Z","obsTimeLocal":"2026-11-04T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 042154Z 19011KT 10SM FEW250 20/12 A3000 RMK AO2 SLP159 T02000122","temp":20,"dewpoint":12.2,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T22:54:00.000Z","obsTimeLocal":"2026-11-04T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 042254Z 19009KT 10SM FEW250 18/12 A3002 RMK AO2 SLP163 T01830122","temp":18.3,"dewpoint":12.2,"humidity":68,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T23:54:00.000Z","obsTimeLocal":"2026-11-04T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 042354Z 22012KT 10SM FEW250 19/12 A3002 RMK AO2 SLP165 T01940122 10250 20178 52007","temp":19.4,"dewpoint":12.2,"humidity":63,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-05T00:54:00.000Z","obsTimeLocal":"2026-11-04T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 050054Z 22013KT 10SM FEW250 18/12 A3002 RMK AO2 PK WND 22026/0030 SLP165 T01830122","temp":18.3,"dewpoint":12.2,"humidity":68,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-05T01:54:00.000Z","obsTimeLocal":"2026-11-04T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 050154Z 23013G21KT 10SM FEW250 18/11 A3002 RMK AO2 SLP166 T01780111","temp":17.8,"dewpoint":11.1,"humidity":65,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-05T02:54:00.000Z","obsTimeLocal":"2026-11-04T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 050254Z 22012G21KT 10SM FEW250 17/11 A3001 RMK AO2 SLP162 T01720111 58003","temp":17.2,"dewpoint":11.1,"humidity":67,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-05T03:54:00.000Z","obsTimeLocal":"2026-11-04T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 050354Z 21009KT 10SM FEW250 16/12 A3000 RMK AO2 SLP157 T01610117","temp":16.1,"dewpoint":11.7,"humidity":75,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-05T04:54:00.000Z","obsTimeLocal":"2026-11-04T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 050454Z 22007KT 10SM FEW250 16/12 A2999 RMK AO2 SLP153 T01560122 402500133","temp":15.6,"dewpoint":12.2,"humidity":80,"wind":3.6,"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/2026-11-04","json":"https://weathermarket.io/api/station/KBOS/2026-11-04","record":"https://weathermarket.io/api/station/KBOS/2026-11-04?format=record","prev":"https://weathermarket.io/station/KBOS/2026-11-03","next":"https://weathermarket.io/station/KBOS/2026-11-05","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=11&day1=4&year2=2026&month2=11&day2=6&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=11&day=4&hora=5&anof=2026&mesf=11&dayf=5&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}