{"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":"2026-10-10","window":{"date":"2026-10-10","timezone":"America/New_York","dayStartUtc":"2026-10-10T04:00:00.000Z","dayEndUtc":"2026-10-11T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":17.2,"tmaxAt":"2026-10-10T19:54:00.000Z","tmin":9.4,"tminAt":"2026-10-10T10:54:00.000Z","tavg":13.3,"humidityMean":50.6,"windMean":3.7,"windMax":5.1,"windMaxAt":"2026-10-10T13:54:00.000Z","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":"2026-10-10T19:54:00.000Z","obsTimeLocal":"2026-10-10T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101954Z VRB05KT 10SM BKN250 17/00 A3043 RMK AO2 SLP303 T01720000","temp":17.2,"dewpoint":0,"humidity":31,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-10T10:54:00.000Z","obsTimeLocal":"2026-10-10T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101054Z 33006KT 10SM BKN250 09/04 A3037 RMK AO2 SLP283 T00940039","temp":9.4,"dewpoint":3.9,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-10T13:54:00.000Z","obsTimeLocal":"2026-10-10T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101354Z 31010KT 10SM BKN250 13/02 A3046 RMK AO2 SLP312 T01280017","temp":12.8,"dewpoint":1.7,"humidity":47,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-11T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"234afb4870f4ef87","lastChangedAt":"2026-10-11T03:58:38.271Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-10?format=record","status":"anchored","sha256":"2b94da7e7574e61695f58dd9751c26a2f7b3ca755f702f48af52acf81bfbe010","revision":"234afb4870f4ef87","flareTxHash":"0x568cc4853f6ffd6dd964a6f60bb384d35f923eec4abff425af981c201f203de3","flareBlock":71835538,"anchoredAt":"2026-10-11T07:01:18.652Z","explorer":"https://flare-explorer.flare.network/tx/0x568cc4853f6ffd6dd964a6f60bb384d35f923eec4abff425af981c201f203de3","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":"2026-10-10T19:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-10T10:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17.2,"tmin":9.4,"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":17.22,"tmin":9.44,"precip":0,"corrected":false,"issuedAt":"2026-10-11T05:25:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-10","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-10"},"observations":[{"obsTimeUtc":"2026-10-10T04:54:00.000Z","obsTimeLocal":"2026-10-10T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100454Z 26009KT 10SM FEW070 FEW250 15/03 A3022 RMK AO2 SLP232 T01500033 402060128","temp":15,"dewpoint":3.3,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T05:54:00.000Z","obsTimeLocal":"2026-10-10T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100554Z 27007KT 10SM FEW070 FEW250 14/04 A3024 RMK AO2 SLP239 T01390044 10172 20139 53012","temp":13.9,"dewpoint":4.4,"humidity":53,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T06:54:00.000Z","obsTimeLocal":"2026-10-10T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100654Z 30009KT 10SM FEW070 SCT250 13/04 A3026 RMK AO2 SLP247 T01280039","temp":12.8,"dewpoint":3.9,"humidity":55,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T07:54:00.000Z","obsTimeLocal":"2026-10-10T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100754Z 29005KT 10SM FEW070 FEW250 12/04 A3028 RMK AO2 SLP252 T01220044","temp":12.2,"dewpoint":4.4,"humidity":59,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T08:54:00.000Z","obsTimeLocal":"2026-10-10T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100854Z 33007KT 10SM FEW250 11/04 A3031 RMK AO2 SLP263 T01110044 53024","temp":11.1,"dewpoint":4.4,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T09:54:00.000Z","obsTimeLocal":"2026-10-10T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 100954Z 35008KT 10SM FEW250 10/04 A3033 RMK AO2 SLP271 T01000044","temp":10,"dewpoint":4.4,"humidity":68,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T10:54:00.000Z","obsTimeLocal":"2026-10-10T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101054Z 33006KT 10SM BKN250 09/04 A3037 RMK AO2 SLP283 T00940039","temp":9.4,"dewpoint":3.9,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T11:54:00.000Z","obsTimeLocal":"2026-10-10T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101154Z 33006KT 10SM BKN250 11/04 A3040 RMK AO2 SLP295 T01060039 10139 20094 53032","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T12:54:00.000Z","obsTimeLocal":"2026-10-10T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101254Z 33009KT 10SM BKN250 12/03 A3044 RMK AO2 SLP307 T01170033","temp":11.7,"dewpoint":3.3,"humidity":56,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T13:54:00.000Z","obsTimeLocal":"2026-10-10T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101354Z 31010KT 10SM BKN250 13/02 A3046 RMK AO2 SLP312 T01280017","temp":12.8,"dewpoint":1.7,"humidity":47,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T14:54:00.000Z","obsTimeLocal":"2026-10-10T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101454Z 30008KT 10SM BKN250 14/02 A3046 RMK AO2 SLP315 T01390017 51020","temp":13.9,"dewpoint":1.7,"humidity":44,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T15:54:00.000Z","obsTimeLocal":"2026-10-10T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101554Z 33010KT 10SM BKN250 15/M02 A3046 RMK AO2 SLP312 T01501017","temp":15,"dewpoint":-1.7,"humidity":32,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T16:54:00.000Z","obsTimeLocal":"2026-10-10T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101654Z 32009KT 280V350 10SM BKN250 16/M02 A3046 RMK AO2 SLP314 T01611017","temp":16.1,"dewpoint":-1.7,"humidity":30,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T17:54:00.000Z","obsTimeLocal":"2026-10-10T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101754Z 32010KT 10SM BKN250 16/M01 A3045 RMK AO2 SLP309 T01611011 10167 20106 58006","temp":16.1,"dewpoint":-1.1,"humidity":31,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T18:54:00.000Z","obsTimeLocal":"2026-10-10T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101854Z 30009KT 10SM BKN250 16/00 A3043 RMK AO2 SLP305 T01610000","temp":16.1,"dewpoint":0,"humidity":33,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T19:54:00.000Z","obsTimeLocal":"2026-10-10T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 101954Z VRB05KT 10SM BKN250 17/00 A3043 RMK AO2 SLP303 T01720000","temp":17.2,"dewpoint":0,"humidity":31,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T20:54:00.000Z","obsTimeLocal":"2026-10-10T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 102054Z 29007KT 10SM BKN250 16/00 A3044 RMK AO2 SLP307 T01610000 55002","temp":16.1,"dewpoint":0,"humidity":33,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T21:54:00.000Z","obsTimeLocal":"2026-10-10T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 102154Z 31006KT 10SM BKN250 16/M01 A3045 RMK AO2 SLP312 T01561006","temp":15.6,"dewpoint":-0.6,"humidity":33,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T22:54:00.000Z","obsTimeLocal":"2026-10-10T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 102254Z 01005KT 10SM BKN250 14/02 A3047 RMK AO2 SLP317 T01390017","temp":13.9,"dewpoint":1.7,"humidity":44,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-10T23:54:00.000Z","obsTimeLocal":"2026-10-10T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 102354Z 06004KT 10SM BKN250 13/03 A3048 RMK AO2 SLP320 T01330028 10172 20133 51013","temp":13.3,"dewpoint":2.8,"humidity":49,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T00:54:00.000Z","obsTimeLocal":"2026-10-10T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 110054Z 12007KT 10SM BKN250 13/07 A3048 RMK AO2 SLP322 T01280067","temp":12.8,"dewpoint":6.7,"humidity":66,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T01:54:00.000Z","obsTimeLocal":"2026-10-10T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 110154Z 16006KT 10SM FEW200 BKN250 12/07 A3050 RMK AO2 SLP329 T01220067","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T02:54:00.000Z","obsTimeLocal":"2026-10-10T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 110254Z 19006KT 10SM FEW200 BKN250 11/06 A3051 RMK AO2 SLP332 T01110061 53012","temp":11.1,"dewpoint":6.1,"humidity":71,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-11T03:54:00.000Z","obsTimeLocal":"2026-10-10T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 110354Z 19004KT 10SM FEW200 BKN250 11/06 A3050 RMK AO2 SLP327 T01110061","temp":11.1,"dewpoint":6.1,"humidity":71,"wind":2.1,"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/2026-10-10","json":"https://weathermarket.io/api/station/KBOS/2026-10-10","record":"https://weathermarket.io/api/station/KBOS/2026-10-10?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-09","next":"https://weathermarket.io/station/KBOS/2026-10-11","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=10&year2=2026&month2=10&day2=12&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=10&hora=4&anof=2026&mesf=10&dayf=11&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}