{"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":"2026-11-03","window":{"date":"2026-11-03","timezone":"America/New_York","dayStartUtc":"2026-11-03T05:00:00.000Z","dayEndUtc":"2026-11-04T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":22.8,"tmaxAt":"2026-11-03T17:54:00.000Z","tmin":12.2,"tminAt":"2026-11-03T06:54:00.000Z","tavg":17.3,"humidityMean":48.4,"windMean":3.4,"windMax":5.7,"windMaxAt":"2026-11-03T08:54:00.000Z","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":"2026-11-03T17:54:00.000Z","obsTimeLocal":"2026-11-03T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031754Z 21007KT 10SM BKN120 BKN250 23/08 A3019 RMK AO2 SLP222 T02280078 10228 20122 58019","temp":22.8,"dewpoint":7.8,"humidity":38,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-03T06:54:00.000Z","obsTimeLocal":"2026-11-03T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030654Z 23006KT 10SM FEW150 12/05 A3024 RMK AO2 SLP238 T01220050","temp":12.2,"dewpoint":5,"humidity":61,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-03T08:54:00.000Z","obsTimeLocal":"2026-11-03T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030854Z 23011KT 10SM SCT150 13/06 A3022 RMK AO2 SLP233 T01330056 56009","temp":13.3,"dewpoint":5.6,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-04T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"d1d17562f10a8d50","lastChangedAt":"2026-11-04T04:57:38.618Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-03?format=record","status":"anchored","sha256":"27ca1739a5b4c3568d9469384bbdefa01da2726444bdf01c77a1a2b7b8d55146","revision":"d1d17562f10a8d50","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":"2026-11-03T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-03T06:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":22.8,"tmin":12.2,"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":23.33,"tmin":12.22,"precip":0,"corrected":false,"issuedAt":"2026-11-04T05:40:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-03","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-03"},"observations":[{"obsTimeUtc":"2026-11-03T05:54:00.000Z","obsTimeLocal":"2026-11-03T00:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030554Z 22008KT 10SM FEW150 13/04 A3025 RMK AO2 SLP242 T01280039 10178 20128 58004","temp":12.8,"dewpoint":3.9,"humidity":55,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T06:54:00.000Z","obsTimeLocal":"2026-11-03T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030654Z 23006KT 10SM FEW150 12/05 A3024 RMK AO2 SLP238 T01220050","temp":12.2,"dewpoint":5,"humidity":61,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T07:54:00.000Z","obsTimeLocal":"2026-11-03T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030754Z 23010KT 10SM FEW150 13/06 A3023 RMK AO2 SLP235 T01330056","temp":13.3,"dewpoint":5.6,"humidity":60,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T08:54:00.000Z","obsTimeLocal":"2026-11-03T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030854Z 23011KT 10SM SCT150 13/06 A3022 RMK AO2 SLP233 T01330056 56009","temp":13.3,"dewpoint":5.6,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T09:54:00.000Z","obsTimeLocal":"2026-11-03T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 030954Z 22007KT 10SM SCT150 13/07 A3023 RMK AO2 SLP237 T01280067","temp":12.8,"dewpoint":6.7,"humidity":66,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T10:54:00.000Z","obsTimeLocal":"2026-11-03T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031054Z 23008KT 10SM SCT150 BKN200 13/07 A3024 RMK AO2 SLP239 T01330067","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T11:54:00.000Z","obsTimeLocal":"2026-11-03T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031154Z 22006KT 10SM BKN180 BKN250 13/07 A3025 RMK AO2 SLP242 T01330067 10133 20122 51009","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T12:54:00.000Z","obsTimeLocal":"2026-11-03T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031254Z 22007KT 10SM SCT180 BKN250 14/07 A3026 RMK AO2 SLP245 T01440072","temp":14.4,"dewpoint":7.2,"humidity":62,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T13:54:00.000Z","obsTimeLocal":"2026-11-03T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031354Z 23006KT 10SM FEW160 BKN250 17/07 A3026 RMK AO2 SLP245 T01720072","temp":17.2,"dewpoint":7.2,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T14:54:00.000Z","obsTimeLocal":"2026-11-03T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031454Z 27003KT 10SM SCT160 BKN250 19/07 A3025 RMK AO2 SLP241 T01890067 58001","temp":18.9,"dewpoint":6.7,"humidity":45,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T15:54:00.000Z","obsTimeLocal":"2026-11-03T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031554Z 22003KT 10SM BKN120 19/07 A3024 RMK A02 SLP238 T01940067","temp":19.4,"dewpoint":6.7,"humidity":44,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T16:54:00.000Z","obsTimeLocal":"2026-11-03T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031654Z 18004KT 10SM BKN120 BKN250 22/07 A3020 RMK AO2 SLP227 T02220072","temp":22.2,"dewpoint":7.2,"humidity":38,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T17:54:00.000Z","obsTimeLocal":"2026-11-03T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031754Z 21007KT 10SM BKN120 BKN250 23/08 A3019 RMK AO2 SLP222 T02280078 10228 20122 58019","temp":22.8,"dewpoint":7.8,"humidity":38,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T18:54:00.000Z","obsTimeLocal":"2026-11-03T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031854Z 23008KT 10SM BKN120 BKN250 22/06 A3017 RMK AO2 SLP217 T02220056","temp":22.2,"dewpoint":5.6,"humidity":34,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T19:54:00.000Z","obsTimeLocal":"2026-11-03T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 031954Z 22007KT 10SM SCT140 BKN250 22/04 A3017 RMK AO2 SLP216 T02220039","temp":22.2,"dewpoint":3.9,"humidity":30,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T20:54:00.000Z","obsTimeLocal":"2026-11-03T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 032054Z 24008KT 10SM OVC180 22/03 A3017 RMK AO2 SLP215 T02170033 56007","temp":21.7,"dewpoint":3.3,"humidity":30,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T21:54:00.000Z","obsTimeLocal":"2026-11-03T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 032154Z 19004KT 10SM BKN140 OVC250 19/05 A3018 RMK AO2 SLP218 T01940050","temp":19.4,"dewpoint":5,"humidity":39,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T22:54:00.000Z","obsTimeLocal":"2026-11-03T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 032254Z 20008KT 10SM OVC110 19/07 A3018 RMK AO2 SLP219 T01890067","temp":18.9,"dewpoint":6.7,"humidity":45,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-03T23:54:00.000Z","obsTimeLocal":"2026-11-03T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 032354Z 20006KT 10SM BKN095 OVC140 19/06 A3019 RMK AO2 SLP222 T01890061 10233 20178 53006","temp":18.9,"dewpoint":6.1,"humidity":43,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T00:54:00.000Z","obsTimeLocal":"2026-11-03T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040054Z 20007KT 10SM OVC070 18/06 A3019 RMK AO2 SLP224 T01780061","temp":17.8,"dewpoint":6.1,"humidity":46,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T01:54:00.000Z","obsTimeLocal":"2026-11-03T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040154Z 18005KT 10SM BKN060 17/07 A3020 RMK AO2 SLP224 T01720072","temp":17.2,"dewpoint":7.2,"humidity":52,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T02:54:00.000Z","obsTimeLocal":"2026-11-03T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040254Z 22006KT 10SM BKN060 18/05 A3019 RMK AO2 SLP223 T01780050 50001","temp":17.8,"dewpoint":5,"humidity":43,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T03:54:00.000Z","obsTimeLocal":"2026-11-03T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040354Z 21006KT 10SM SCT060 BKN090 17/05 A3017 RMK AO2 SLP217 T01720050","temp":17.2,"dewpoint":5,"humidity":45,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-04T04:54:00.000Z","obsTimeLocal":"2026-11-03T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 040454Z 22008KT 10SM OVC085 17/06 A3017 RMK AO2 SLP216 T01720056 402330122","temp":17.2,"dewpoint":5.6,"humidity":46,"wind":4.1,"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/2026-11-03","json":"https://weathermarket.io/api/station/KBOS/2026-11-03","record":"https://weathermarket.io/api/station/KBOS/2026-11-03?format=record","prev":"https://weathermarket.io/station/KBOS/2026-11-02","next":"https://weathermarket.io/station/KBOS/2026-11-04","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=3&year2=2026&month2=11&day2=5&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=3&hora=5&anof=2026&mesf=11&dayf=4&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}