{"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":"2026-11-01","window":{"date":"2026-11-01","timezone":"America/New_York","dayStartUtc":"2026-11-01T04:00:00.000Z","dayEndUtc":"2026-11-02T05:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-05:00","hours":25},"complete":true,"values":{"tmax":15,"tmaxAt":"2026-11-01T19:54:00.000Z","tmin":4.4,"tminAt":"2026-11-01T09:54:00.000Z","tavg":9.4,"humidityMean":50,"windMean":3.5,"windMax":4.6,"windMaxAt":"2026-11-01T18:54:00.000Z","precipObservedCount":0,"nObservations":25,"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":"2026-11-01T19:54:00.000Z","obsTimeLocal":"2026-11-01T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011954Z 26008G16KT 10SM CLR 15/M01 A3041 RMK AO2 SLP298 T01501011 $","temp":15,"dewpoint":-1.1,"humidity":33,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-01T09:54:00.000Z","obsTimeLocal":"2026-11-01T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 010954Z 28006KT 10SM CLR 04/M02 A3049 RMK AO2 SLP325 T00441017 $","temp":4.4,"dewpoint":-1.7,"humidity":65,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-01T18:54:00.000Z","obsTimeLocal":"2026-11-01T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011854Z 29009G16KT 10SM CLR 14/M02 A3042 RMK AO2 SLP300 T01441022 $","temp":14.4,"dewpoint":-2.2,"humidity":32,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-02T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0c30a2a5b8259394","lastChangedAt":"2026-11-02T04:57:39.421Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-01?format=record","status":"anchored","sha256":"b5a2e8b4c148482aa14650822383dd0febe53397cc7a481f4084e52c0e0490dc","revision":"0c30a2a5b8259394","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-01T19:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-01T09:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":15,"tmin":4.4,"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":15,"tmin":4.44,"precip":0,"corrected":false,"issuedAt":"2026-11-02T05:27:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-01","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-01"},"observations":[{"obsTimeUtc":"2026-11-01T04:54:00.000Z","obsTimeLocal":"2026-11-01T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010454Z 33006KT 10SM CLR 06/M03 A3048 RMK AO2 SLP322 T00561033 401280056 $","temp":5.6,"dewpoint":-3.3,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T05:54:00.000Z","obsTimeLocal":"2026-11-01T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 010554Z 31005KT 10SM CLR 05/M03 A3049 RMK AO2 SLP322 T00501033 10094 20050 51007 $","temp":5,"dewpoint":-3.3,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T06:54:00.000Z","obsTimeLocal":"2026-11-01T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 010654Z 29004KT 10SM CLR 05/M03 A3049 RMK AO2 SLP323 T00501028 $","temp":5,"dewpoint":-2.8,"humidity":57,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T07:54:00.000Z","obsTimeLocal":"2026-11-01T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 010754Z 29005KT 10SM CLR 05/M03 A3048 RMK AO2 SLP321 T00501033 $","temp":5,"dewpoint":-3.3,"humidity":55,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T08:54:00.000Z","obsTimeLocal":"2026-11-01T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 010854Z 29006KT 10SM CLR 05/M02 A3049 RMK AO2 SLP323 T00501022 53001 $","temp":5,"dewpoint":-2.2,"humidity":60,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T09:54:00.000Z","obsTimeLocal":"2026-11-01T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 010954Z 28006KT 10SM CLR 04/M02 A3049 RMK AO2 SLP325 T00441017 $","temp":4.4,"dewpoint":-1.7,"humidity":65,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T10:54:00.000Z","obsTimeLocal":"2026-11-01T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011054Z 28006KT 10SM FEW040 FEW250 04/M02 A3050 RMK AO2 SLP326 T00441017 $","temp":4.4,"dewpoint":-1.7,"humidity":65,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T11:54:00.000Z","obsTimeLocal":"2026-11-01T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011154Z 28005KT 10SM FEW040 FEW250 05/M02 A3051 RMK AO2 SLP331 T00501017 10056 20044 53008 $","temp":5,"dewpoint":-1.7,"humidity":62,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T12:54:00.000Z","obsTimeLocal":"2026-11-01T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011254Z 26006KT 10SM FEW040 FEW250 07/M02 A3052 RMK AO2 SLP334 T00671017 $","temp":6.7,"dewpoint":-1.7,"humidity":55,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T13:54:00.000Z","obsTimeLocal":"2026-11-01T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011354Z 27007KT 10SM FEW040 FEW250 09/M01 A3051 RMK AO2 SLP332 T00891011 $","temp":8.9,"dewpoint":-1.1,"humidity":50,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T14:54:00.000Z","obsTimeLocal":"2026-11-01T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011454Z 29008KT 10SM FEW040 FEW250 10/M01 A3052 RMK AO2 SLP333 T01001006 51001 $","temp":10,"dewpoint":-0.6,"humidity":48,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T15:54:00.000Z","obsTimeLocal":"2026-11-01T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011554Z 26006KT 10SM FEW040 FEW250 11/M01 A3049 RMK AO2 SLP325 T01111011 $","temp":11.1,"dewpoint":-1.1,"humidity":43,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T16:54:00.000Z","obsTimeLocal":"2026-11-01T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011654Z 28006KT 10SM FEW040 FEW250 12/M01 A3047 RMK AO2 SLP317 T01221011 $","temp":12.2,"dewpoint":-1.1,"humidity":40,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T17:54:00.000Z","obsTimeLocal":"2026-11-01T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011754Z 25007KT 10SM FEW040 FEW250 13/M02 A3044 RMK AO2 SLP305 T01331017 10139 20050 58027 $","temp":13.3,"dewpoint":-1.7,"humidity":35,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T18:54:00.000Z","obsTimeLocal":"2026-11-01T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011854Z 29009G16KT 10SM CLR 14/M02 A3042 RMK AO2 SLP300 T01441022 $","temp":14.4,"dewpoint":-2.2,"humidity":32,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T19:54:00.000Z","obsTimeLocal":"2026-11-01T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 011954Z 26008G16KT 10SM CLR 15/M01 A3041 RMK AO2 SLP298 T01501011 $","temp":15,"dewpoint":-1.1,"humidity":33,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T20:54:00.000Z","obsTimeLocal":"2026-11-01T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 012054Z 26006KT 10SM FEW250 14/M01 A3040 RMK AO2 SLP295 T01441011 56010 $","temp":14.4,"dewpoint":-1.1,"humidity":34,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T21:54:00.000Z","obsTimeLocal":"2026-11-01T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 012154Z 22008KT 10SM FEW250 13/00 A3040 RMK AO2 SLP295 T01280000 $","temp":12.8,"dewpoint":0,"humidity":41,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T22:54:00.000Z","obsTimeLocal":"2026-11-01T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 012254Z 23007KT 10SM FEW250 12/01 A3041 RMK AO2 SLP297 T01170006 $","temp":11.7,"dewpoint":0.6,"humidity":46,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T23:54:00.000Z","obsTimeLocal":"2026-11-01T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 012354Z 22009KT 10SM CLR 12/01 A3041 RMK AO2 SLP296 T01220006 10150 20117 50001 $","temp":12.2,"dewpoint":0.6,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T00:54:00.000Z","obsTimeLocal":"2026-11-01T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 020054Z 24007KT 10SM CLR 11/01 A3040 RMK AO2 SLP293 T01060011 $","temp":10.6,"dewpoint":1.1,"humidity":52,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T01:54:00.000Z","obsTimeLocal":"2026-11-01T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 020154Z 22009KT 10SM CLR 11/02 A3039 RMK AO2 SLP292 T01110017 $","temp":11.1,"dewpoint":1.7,"humidity":52,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T02:54:00.000Z","obsTimeLocal":"2026-11-01T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 020254Z 24009KT 10SM CLR 11/02 A3038 RMK AO2 SLP287 T01110022 58009 $","temp":11.1,"dewpoint":2.2,"humidity":54,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T03:54:00.000Z","obsTimeLocal":"2026-11-01T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 020354Z 23005KT 10SM CLR 11/03 A3037 RMK AO2 SLP282 T01060028 $","temp":10.6,"dewpoint":2.8,"humidity":59,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-02T04:54:00.000Z","obsTimeLocal":"2026-11-01T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 020454Z 24008KT 10SM CLR 11/03 A3037 RMK AO2 SLP283 T01060028 401500044 $","temp":10.6,"dewpoint":2.8,"humidity":59,"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/2026-11-01","json":"https://weathermarket.io/api/station/KBOS/2026-11-01","record":"https://weathermarket.io/api/station/KBOS/2026-11-01?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-31","next":"https://weathermarket.io/station/KBOS/2026-11-02","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=1&year2=2026&month2=11&day2=3&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=1&hora=4&anof=2026&mesf=11&dayf=2&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}