{"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":"2026-09-24","window":{"date":"2026-09-24","timezone":"America/New_York","dayStartUtc":"2026-09-24T04:00:00.000Z","dayEndUtc":"2026-09-25T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":17.8,"tmaxAt":"2026-09-24T15:54:00.000Z","tmin":9.4,"tminAt":"2026-09-24T08:54:00.000Z","tavg":13.7,"humidityMean":67.3,"windMean":5.8,"windMax":9.3,"windMaxAt":"2026-09-24T14:54:00.000Z","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":"2026-09-24T15:54:00.000Z","obsTimeLocal":"2026-09-24T11:54:00-04:00","metarType":null,"raw":"METAR KBOS 241554Z 05015G25KT 10SM FEW020 FEW038 FEW250 18/07 A3046 RMK AO2 PK WND 05026/1510 SLP315 T01780067","temp":17.8,"dewpoint":6.7,"humidity":48,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-09-24T08:54:00.000Z","obsTimeLocal":"2026-09-24T04:54:00-04:00","metarType":null,"raw":"METAR KBOS 240854Z 36009KT 10SM FEW032 09/08 A3047 RMK AO2 SLP319 T00940083 56008","temp":9.4,"dewpoint":8.3,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-09-24T14:54:00.000Z","obsTimeLocal":"2026-09-24T10:54:00-04:00","metarType":null,"raw":"METAR KBOS 241454Z 05018G24KT 10SM FEW020 17/07 A3048 RMK AO2 SLP321 T01720067 58001 $","temp":17.2,"dewpoint":6.7,"humidity":50,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-09-25T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"fa06b304d82dbf28","lastChangedAt":"2026-09-25T04:00:21.566Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-09-24?format=record","status":"pending_anchor","sha256":null,"revision":null,"flareTxHash":null,"flareBlock":null,"anchoredAt":null,"explorer":null,"matchesCurrent":null,"note":"Final - the next hourly run writes this record's hash to SnapshotAnchor on Flare"},"qc":{"summary":{"good":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-09-24T15:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-09-24T08:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":17.8,"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":18.33,"tmin":9.44,"precip":0,"corrected":false,"issuedAt":"2026-09-25T05:29:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-09-24","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-09-24"},"observations":[{"obsTimeUtc":"2026-09-24T04:54:00.000Z","obsTimeLocal":"2026-09-24T00:54:00-04:00","metarType":null,"raw":"METAR KBOS 240454Z 06012KT 10SM FEW028 FEW250 14/09 A3051 RMK AO2 SLP330 T01390089 401780106","temp":13.9,"dewpoint":8.9,"humidity":72,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T05:54:00.000Z","obsTimeLocal":"2026-09-24T01:54:00-04:00","metarType":null,"raw":"METAR KBOS 240554Z 36008KT 10SM SCT027 11/08 A3050 RMK AO2 SLP327 T01110083 10139 20111 58008","temp":11.1,"dewpoint":8.3,"humidity":83,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T06:54:00.000Z","obsTimeLocal":"2026-09-24T02:54:00-04:00","metarType":null,"raw":"METAR KBOS 240654Z 36010KT 10SM SCT031 11/08 A3049 RMK AO2 SLP323 T01060083","temp":10.6,"dewpoint":8.3,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T07:54:00.000Z","obsTimeLocal":"2026-09-24T03:54:00-04:00","metarType":null,"raw":"METAR KBOS 240754Z 36010KT 10SM CLR 10/08 A3048 RMK AO2 SLP320 T01000083","temp":10,"dewpoint":8.3,"humidity":89,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T08:54:00.000Z","obsTimeLocal":"2026-09-24T04:54:00-04:00","metarType":null,"raw":"METAR KBOS 240854Z 36009KT 10SM FEW032 09/08 A3047 RMK AO2 SLP319 T00940083 56008","temp":9.4,"dewpoint":8.3,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T09:54:00.000Z","obsTimeLocal":"2026-09-24T05:54:00-04:00","metarType":null,"raw":"METAR KBOS 240954Z 36009KT 10SM FEW032 09/08 A3048 RMK AO2 SLP319 T00940083 $","temp":9.4,"dewpoint":8.3,"humidity":93,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T10:54:00.000Z","obsTimeLocal":"2026-09-24T06:54:00-04:00","metarType":null,"raw":"METAR KBOS 241054Z 35008KT 10SM FEW015 10/08 A3048 RMK AO2 SLP322 T01000083 $","temp":10,"dewpoint":8.3,"humidity":89,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T11:54:00.000Z","obsTimeLocal":"2026-09-24T07:54:00-04:00","metarType":null,"raw":"METAR KBOS 241154Z 36010KT 10SM FEW015 11/09 A3049 RMK AO2 SLP322 T01110089 10117 20094 52004 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T12:54:00.000Z","obsTimeLocal":"2026-09-24T08:54:00-04:00","metarType":null,"raw":"METAR KBOS 241254Z 02013KT 10SM FEW018 14/10 A3049 RMK AO2 SLP323 T01390100 $","temp":13.9,"dewpoint":10,"humidity":77,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T13:54:00.000Z","obsTimeLocal":"2026-09-24T09:54:00-04:00","metarType":null,"raw":"METAR KBOS 241354Z 04014KT 10SM FEW018 16/09 A3049 RMK AO2 SLP323 T01560094 $","temp":15.6,"dewpoint":9.4,"humidity":67,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T14:54:00.000Z","obsTimeLocal":"2026-09-24T10:54:00-04:00","metarType":null,"raw":"METAR KBOS 241454Z 05018G24KT 10SM FEW020 17/07 A3048 RMK AO2 SLP321 T01720067 58001 $","temp":17.2,"dewpoint":6.7,"humidity":50,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T15:54:00.000Z","obsTimeLocal":"2026-09-24T11:54:00-04:00","metarType":null,"raw":"METAR KBOS 241554Z 05015G25KT 10SM FEW020 FEW038 FEW250 18/07 A3046 RMK AO2 PK WND 05026/1510 SLP315 T01780067","temp":17.8,"dewpoint":6.7,"humidity":48,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T16:54:00.000Z","obsTimeLocal":"2026-09-24T12:54:00-04:00","metarType":null,"raw":"METAR KBOS 241654Z 06017G25KT 10SM FEW035 FEW250 18/06 A3045 RMK AO2 PK WND 05026/1629 SLP310 T01780061","temp":17.8,"dewpoint":6.1,"humidity":46,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T17:54:00.000Z","obsTimeLocal":"2026-09-24T13:54:00-04:00","metarType":null,"raw":"METAR KBOS 241754Z 06017KT 10SM FEW035 FEW250 18/06 A3043 RMK AO2 PK WND 05026/1721 SLP305 T01780056 10183 20111 56016","temp":17.8,"dewpoint":5.6,"humidity":45,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T18:54:00.000Z","obsTimeLocal":"2026-09-24T14:54:00-04:00","metarType":null,"raw":"METAR KBOS 241854Z 06015KT 10SM FEW035 SCT250 18/06 A3040 RMK AO2 SLP294 T01780061","temp":17.8,"dewpoint":6.1,"humidity":46,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T19:54:00.000Z","obsTimeLocal":"2026-09-24T15:54:00-04:00","metarType":null,"raw":"METAR KBOS 241954Z 05015KT 10SM FEW035 SCT250 17/06 A3039 RMK AO2 SLP291 T01720056","temp":17.2,"dewpoint":5.6,"humidity":46,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T20:54:00.000Z","obsTimeLocal":"2026-09-24T16:54:00-04:00","metarType":null,"raw":"METAR KBOS 242054Z 05013KT 10SM FEW035 SCT250 17/06 A3038 RMK AO2 SLP285 T01670061 56020","temp":16.7,"dewpoint":6.1,"humidity":50,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T21:54:00.000Z","obsTimeLocal":"2026-09-24T17:54:00-04:00","metarType":null,"raw":"METAR KBOS 242154Z 03015KT 10SM FEW032 FEW200 BKN250 16/04 A3036 RMK AO2 SLP280 T01560044","temp":15.6,"dewpoint":4.4,"humidity":47,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T22:54:00.000Z","obsTimeLocal":"2026-09-24T18:54:00-04:00","metarType":null,"raw":"METAR KBOS 242254Z 04010KT 10SM FEW032 FEW200 BKN250 14/04 A3036 RMK AO2 SLP281 T01440044","temp":14.4,"dewpoint":4.4,"humidity":51,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-24T23:54:00.000Z","obsTimeLocal":"2026-09-24T19:54:00-04:00","metarType":null,"raw":"METAR KBOS 242354Z 03008KT 10SM FEW032 FEW250 13/07 A3035 RMK AO2 SLP276 T01330067 10178 20133 57009","temp":13.3,"dewpoint":6.7,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T00:54:00.000Z","obsTimeLocal":"2026-09-24T20:54:00-04:00","metarType":null,"raw":"METAR KBOS 250054Z 01005KT 10SM FEW200 BKN250 12/07 A3035 RMK AO2 SLP276 T01220067","temp":12.2,"dewpoint":6.7,"humidity":69,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T01:54:00.000Z","obsTimeLocal":"2026-09-24T21:54:00-04:00","metarType":null,"raw":"METAR KBOS 250154Z 35006KT 10SM FEW200 SCT250 13/07 A3033 RMK AO2 SLP271 T01280067","temp":12.8,"dewpoint":6.7,"humidity":66,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T02:54:00.000Z","obsTimeLocal":"2026-09-24T22:54:00-04:00","metarType":null,"raw":"METAR KBOS 250254Z 36007KT 10SM FEW200 FEW250 12/07 A3031 RMK AO2 SLP264 T01170072 58012","temp":11.7,"dewpoint":7.2,"humidity":74,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-09-25T03:54:00.000Z","obsTimeLocal":"2026-09-24T23:54:00-04:00","metarType":null,"raw":"METAR KBOS 250354Z 35007KT 10SM FEW200 FEW250 12/08 A3030 RMK AO2 SLP261 T01170078","temp":11.7,"dewpoint":7.8,"humidity":77,"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/2026-09-24","json":"https://weathermarket.io/api/station/KBOS/2026-09-24","record":"https://weathermarket.io/api/station/KBOS/2026-09-24?format=record","prev":"https://weathermarket.io/station/KBOS/2026-09-23","next":"https://weathermarket.io/station/KBOS/2026-09-25","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=9&day1=24&year2=2026&month2=9&day2=26&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=9&day=24&hora=4&anof=2026&mesf=9&dayf=25&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}