{"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":"2026-10-15","window":{"date":"2026-10-15","timezone":"America/New_York","dayStartUtc":"2026-10-15T04:00:00.000Z","dayEndUtc":"2026-10-16T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":16.1,"tmaxAt":"2026-10-15T16:54:00.000Z","tmin":11.1,"tminAt":"2026-10-16T01:54:00.000Z","tavg":13.7,"humidityMean":55.2,"windMean":4.6,"windMax":9.3,"windMaxAt":"2026-10-15T12:54:00.000Z","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":"2026-10-15T16:54:00.000Z","obsTimeLocal":"2026-10-15T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151654Z 01005G14KT 10SM FEW250 16/01 A3020 RMK AO2 SLP226 T01610011 $","temp":16.1,"dewpoint":1.1,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-16T01:54:00.000Z","obsTimeLocal":"2026-10-15T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 160154Z 21005KT 10SM FEW250 11/01 A3019 RMK AO2 SLP223 T01110006 $","temp":11.1,"dewpoint":0.6,"humidity":48,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-15T12:54:00.000Z","obsTimeLocal":"2026-10-15T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151254Z 33018G25KT 10SM FEW045 13/04 A3019 RMK AO2 SLP223 T01330039 $","temp":13.3,"dewpoint":3.9,"humidity":53,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-16T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"6d517d617bad7f62","lastChangedAt":"2026-10-16T03:57:39.050Z","corrections":[{"obsTimeUtc":"2026-10-15T07:54:00.000Z","correctedAt":"2026-10-15T08:20:41.370Z","original":"METAR KBOS 150754Z 33007KT 10SM FEW250 13/08 A3004 RMK AO2 SLP172 T01280083 $","corrected":"METAR KBOS 150754Z COR 33007KT 10SM FEW046 FEW250 13/08 A3004 RMK AO2 SLP172 T01280083 $"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-15?format=record","status":"anchored","sha256":"891136b8d3c001198769a0259f0d85150023a9a5917aee03cc5348c07a6546f3","revision":"6d517d617bad7f62","flareTxHash":"0x7d4f39f2ba154f5b3af8ec80cf74a3eb6156c10ea4da864d546c688da74598ee","flareBlock":72229217,"anchoredAt":"2026-10-16T07:01:52.579Z","explorer":"https://flare-explorer.flare.network/tx/0x7d4f39f2ba154f5b3af8ec80cf74a3eb6156c10ea4da864d546c688da74598ee","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":"2026-10-15T16:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-16T01:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":16.1,"tmin":11.1,"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":16.67,"tmin":10.56,"precip":0,"corrected":false,"issuedAt":"2026-10-16T05:30:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-15","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-15"},"observations":[{"obsTimeUtc":"2026-10-15T04:54:00.000Z","obsTimeLocal":"2026-10-15T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150454Z 32010G23KT 10SM FEW048 SCT250 16/10 A2996 RMK AO2 SLP144 T01560100 402500150 $","temp":15.6,"dewpoint":10,"humidity":69,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T05:54:00.000Z","obsTimeLocal":"2026-10-15T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150554Z 32013KT 10SM FEW048 SCT250 14/09 A2999 RMK AO2 SLP154 T01440089 10194 20144 53023 $","temp":14.4,"dewpoint":8.9,"humidity":70,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T06:54:00.000Z","obsTimeLocal":"2026-10-15T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150654Z 33010KT 10SM FEW250 14/09 A3001 RMK AO2 SLP163 T01390089 $","temp":13.9,"dewpoint":8.9,"humidity":72,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T07:54:00.000Z","obsTimeLocal":"2026-10-15T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150754Z COR 33007KT 10SM FEW046 FEW250 13/08 A3004 RMK AO2 SLP172 T01280083 $","temp":12.8,"dewpoint":8.3,"humidity":74,"wind":3.6,"precipObserved":false,"correctedAt":"2026-10-15T08:20:41.370Z","originalRaw":"METAR KBOS 150754Z 33007KT 10SM FEW250 13/08 A3004 RMK AO2 SLP172 T01280083 $"},{"obsTimeUtc":"2026-10-15T08:54:00.000Z","obsTimeLocal":"2026-10-15T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150854Z 34010KT 10SM SCT044 SCT250 13/08 A3007 RMK AO2 SLP181 T01280083 53026 $","temp":12.8,"dewpoint":8.3,"humidity":74,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T09:54:00.000Z","obsTimeLocal":"2026-10-15T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 150954Z 31012G22KT 10SM BKN043 13/07 A3011 RMK AO2 SLP197 T01330067 $","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T10:54:00.000Z","obsTimeLocal":"2026-10-15T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151054Z 33014G21KT 10SM FEW043 13/06 A3012 RMK AO2 SLP200 T01280061 $","temp":12.8,"dewpoint":6.1,"humidity":64,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T11:54:00.000Z","obsTimeLocal":"2026-10-15T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151154Z 32016G25KT 10SM FEW045 13/04 A3016 RMK AO2 SLP212 70002 T01280044 10144 20128 51031 $","temp":12.8,"dewpoint":4.4,"humidity":57,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T12:54:00.000Z","obsTimeLocal":"2026-10-15T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151254Z 33018G25KT 10SM FEW045 13/04 A3019 RMK AO2 SLP223 T01330039 $","temp":13.3,"dewpoint":3.9,"humidity":53,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T13:54:00.000Z","obsTimeLocal":"2026-10-15T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151354Z 34014G22KT 10SM FEW045 FEW250 14/03 A3022 RMK AO2 PK WND 33028/1259 SLP232 T01390028 $","temp":13.9,"dewpoint":2.8,"humidity":47,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T14:54:00.000Z","obsTimeLocal":"2026-10-15T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151454Z 32010KT 10SM FEW050 FEW250 15/03 A3021 RMK AO2 SLP228 T01500033 50017 $","temp":15,"dewpoint":3.3,"humidity":45,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T15:54:00.000Z","obsTimeLocal":"2026-10-15T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151554Z 33005G17KT 10SM FEW250 16/03 A3021 RMK AO2 SLP229 T01560028 $","temp":15.6,"dewpoint":2.8,"humidity":42,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T16:54:00.000Z","obsTimeLocal":"2026-10-15T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151654Z 01005G14KT 10SM FEW250 16/01 A3020 RMK AO2 SLP226 T01610011 $","temp":16.1,"dewpoint":1.1,"humidity":36,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T17:54:00.000Z","obsTimeLocal":"2026-10-15T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151754Z 07007KT 10SM FEW250 16/02 A3018 RMK AO2 SLP218 T01610017 10167 20128 58010 $","temp":16.1,"dewpoint":1.7,"humidity":38,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T18:54:00.000Z","obsTimeLocal":"2026-10-15T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151854Z 14007KT 10SM FEW250 16/03 A3018 RMK AO2 SLP218 T01560033 $","temp":15.6,"dewpoint":3.3,"humidity":44,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T19:54:00.000Z","obsTimeLocal":"2026-10-15T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 151954Z 12007KT 10SM FEW250 16/03 A3018 RMK AO2 SLP219 T01560028 $","temp":15.6,"dewpoint":2.8,"humidity":42,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T20:54:00.000Z","obsTimeLocal":"2026-10-15T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 152054Z 12006KT 10SM FEW140 FEW250 15/05 A3019 RMK AO2 SLP221 T01500050 53003 $","temp":15,"dewpoint":5,"humidity":51,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T21:54:00.000Z","obsTimeLocal":"2026-10-15T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 152154Z 12005KT 10SM SCT140 SCT250 14/06 A3019 RMK AO2 SLP221 T01390056 $","temp":13.9,"dewpoint":5.6,"humidity":57,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T22:54:00.000Z","obsTimeLocal":"2026-10-15T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 152254Z 10004KT 10SM FEW160 13/06 A3020 RMK AO2 SLP224 T01330056 $","temp":13.3,"dewpoint":5.6,"humidity":60,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-15T23:54:00.000Z","obsTimeLocal":"2026-10-15T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 152354Z 15008KT 10SM FEW160 13/05 A3018 RMK AO2 SLP220 T01280050 10167 20128 58001 $","temp":12.8,"dewpoint":5,"humidity":59,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T00:54:00.000Z","obsTimeLocal":"2026-10-15T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 160054Z 19007KT 10SM CLR 12/02 A3020 RMK AO2 SLP226 T01170022 $","temp":11.7,"dewpoint":2.2,"humidity":52,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T01:54:00.000Z","obsTimeLocal":"2026-10-15T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 160154Z 21005KT 10SM FEW250 11/01 A3019 RMK AO2 SLP223 T01110006 $","temp":11.1,"dewpoint":0.6,"humidity":48,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T02:54:00.000Z","obsTimeLocal":"2026-10-15T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 160254Z 18006KT 10SM BKN250 11/02 A3019 RMK AO2 SLP222 T01110017 50002 $","temp":11.1,"dewpoint":1.7,"humidity":52,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-16T03:54:00.000Z","obsTimeLocal":"2026-10-15T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 160354Z 18008KT 10SM SCT160 BKN250 11/02 A3016 RMK AO2 SLP212 T01110022 $","temp":11.1,"dewpoint":2.2,"humidity":54,"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/2026-10-15","json":"https://weathermarket.io/api/station/KBOS/2026-10-15","record":"https://weathermarket.io/api/station/KBOS/2026-10-15?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-14","next":"https://weathermarket.io/station/KBOS/2026-10-16","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=15&year2=2026&month2=10&day2=17&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=15&hora=4&anof=2026&mesf=10&dayf=16&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}