{"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":"2026-10-02","window":{"date":"2026-10-02","timezone":"America/New_York","dayStartUtc":"2026-10-02T04:00:00.000Z","dayEndUtc":"2026-10-03T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":30,"tmaxAt":"2026-10-02T17:54:00.000Z","tmin":19.4,"tminAt":"2026-10-02T05:54:00.000Z","tavg":23.5,"humidityMean":69.1,"windMean":6.1,"windMax":8.7,"windMaxAt":"2026-10-02T15:54:00.000Z","precipObservedCount":1,"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":"2026-10-02T17:54:00.000Z","obsTimeLocal":"2026-10-02T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021754Z 23017G28KT 10SM FEW095 FEW200 BKN250 30/18 A2977 RMK AO2 PK WND 22029/1739 SLP080 T03000178 10306 20211 58022","temp":30,"dewpoint":17.8,"humidity":48,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-02T05:54:00.000Z","obsTimeLocal":"2026-10-02T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020554Z 21009KT 10SM FEW180 19/17 A2991 RMK AO2 SLP127 T01940172 10217 20194 58005","temp":19.4,"dewpoint":17.2,"humidity":87,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-02T15:54:00.000Z","obsTimeLocal":"2026-10-02T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021554Z 23017G22KT 10SM FEW200 BKN250 28/18 A2982 RMK AO2 SLP098 T02780178","temp":27.8,"dewpoint":17.8,"humidity":55,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-03T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"ac7476dbea572366","lastChangedAt":"2026-10-03T03:57:38.321Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-02?format=record","status":"anchored","sha256":"a10da93fd7a807ae1c823f9bab9f006acd3f125021f1ce893649cf675f55334a","revision":"ac7476dbea572366","flareTxHash":"0xfdcf039706d99c20b81ad08699fc1a4a91fd7c49c5a69b565ed85dc18e1a23c8","flareBlock":71204672,"anchoredAt":"2026-10-03T07:01:08.816Z","explorer":"https://flare-explorer.flare.network/tx/0xfdcf039706d99c20b81ad08699fc1a4a91fd7c49c5a69b565ed85dc18e1a23c8","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":"2026-10-02T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-02T05:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":30,"tmin":19.4,"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":30.56,"tmin":18.89,"precip":0,"corrected":false,"issuedAt":"2026-10-03T05:55:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-02","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-02"},"observations":[{"obsTimeUtc":"2026-10-02T04:54:00.000Z","obsTimeLocal":"2026-10-02T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020454Z 22013KT 10SM FEW180 20/17 A2992 RMK AO2 SLP130 T02000172 402610150","temp":20,"dewpoint":17.2,"humidity":84,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T05:54:00.000Z","obsTimeLocal":"2026-10-02T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020554Z 21009KT 10SM FEW180 19/17 A2991 RMK AO2 SLP127 T01940172 10217 20194 58005","temp":19.4,"dewpoint":17.2,"humidity":87,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T06:54:00.000Z","obsTimeLocal":"2026-10-02T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020654Z 22011KT 10SM FEW200 19/17 A2989 RMK AO2 SLP122 T01940172","temp":19.4,"dewpoint":17.2,"humidity":87,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T07:54:00.000Z","obsTimeLocal":"2026-10-02T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020754Z 23010KT 10SM FEW200 19/17 A2988 RMK AO2 SLP116 T01940172","temp":19.4,"dewpoint":17.2,"humidity":87,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T08:54:00.000Z","obsTimeLocal":"2026-10-02T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020854Z 22010KT 10SM SCT095 SCT200 20/17 A2986 RMK AO2 SLP112 T02000172 56015","temp":20,"dewpoint":17.2,"humidity":84,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T09:54:00.000Z","obsTimeLocal":"2026-10-02T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 020954Z 23011KT 10SM FEW095 FEW200 20/17 A2986 RMK AO2 SLP110 T02000172","temp":20,"dewpoint":17.2,"humidity":84,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T10:54:00.000Z","obsTimeLocal":"2026-10-02T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021054Z 22014KT 10SM SCT100 SCT250 20/17 A2985 RMK AO2 SLP108 T02000172","temp":20,"dewpoint":17.2,"humidity":84,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T11:54:00.000Z","obsTimeLocal":"2026-10-02T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021154Z 23013KT 10SM FEW100 FEW250 21/17 A2986 RMK AO2 SLP110 T02110172 10211 20189 55002","temp":21.1,"dewpoint":17.2,"humidity":78,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T12:54:00.000Z","obsTimeLocal":"2026-10-02T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021254Z 23013KT 10SM BKN250 23/18 A2986 RMK AO2 SLP110 T02280178","temp":22.8,"dewpoint":17.8,"humidity":73,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T13:54:00.000Z","obsTimeLocal":"2026-10-02T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021354Z 23013G22KT 10SM FEW200 SCT250 24/18 A2985 RMK AO2 SLP107 T02440178","temp":24.4,"dewpoint":17.8,"humidity":67,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T14:54:00.000Z","obsTimeLocal":"2026-10-02T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021454Z 22016KT 10SM FEW200 BKN250 26/18 A2983 RMK AO2 SLP102 T02610178 58007","temp":26.1,"dewpoint":17.8,"humidity":60,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T15:54:00.000Z","obsTimeLocal":"2026-10-02T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021554Z 23017G22KT 10SM FEW200 BKN250 28/18 A2982 RMK AO2 SLP098 T02780178","temp":27.8,"dewpoint":17.8,"humidity":55,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T16:54:00.000Z","obsTimeLocal":"2026-10-02T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021654Z 20013KT 10SM FEW095 FEW200 BKN250 28/18 A2978 RMK AO2 SLP085 T02830183","temp":28.3,"dewpoint":18.3,"humidity":55,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T17:54:00.000Z","obsTimeLocal":"2026-10-02T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021754Z 23017G28KT 10SM FEW095 FEW200 BKN250 30/18 A2977 RMK AO2 PK WND 22029/1739 SLP080 T03000178 10306 20211 58022","temp":30,"dewpoint":17.8,"humidity":48,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T18:54:00.000Z","obsTimeLocal":"2026-10-02T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021854Z 22017G24KT 10SM FEW075 SCT090 BKN250 29/18 A2976 RMK AO2 PK WND 22027/1810 SLP078 T02890183","temp":28.9,"dewpoint":18.3,"humidity":53,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T19:54:00.000Z","obsTimeLocal":"2026-10-02T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 021954Z 24016G24KT 10SM FEW075 SCT095 SCT150 BKN250 29/18 A2977 RMK AO2 PK WND 21031/1932 SLP079 T02940183","temp":29.4,"dewpoint":18.3,"humidity":51,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T20:54:00.000Z","obsTimeLocal":"2026-10-02T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 022054Z 28011G21KT 7SM RA SCT050 BKN065 BKN110 27/19 A2978 RMK AO2 RAB43 SLP085 60000 T02720189 53004 PNO $","temp":27.2,"dewpoint":18.9,"humidity":61,"wind":5.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T21:54:00.000Z","obsTimeLocal":"2026-10-02T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 022154Z 32013G22KT 10SM FEW025 BKN050 BKN070 BKN250 26/18 A2982 RMK AO2 PK WND 32026/2135 WSHFT 2128 RAE03 SLP099 T02610183 PNO $","temp":26.1,"dewpoint":18.3,"humidity":62,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T22:54:00.000Z","obsTimeLocal":"2026-10-02T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 022254Z 32010G19KT 10SM FEW025 BKN065 BKN085 24/17 A2987 RMK AO2 SLP115 T02390172 PNO $","temp":23.9,"dewpoint":17.2,"humidity":66,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-02T23:54:00.000Z","obsTimeLocal":"2026-10-02T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 022354Z 33010KT 10SM FEW030 FEW065 OVC085 23/16 A2989 RMK AO2 SLP122 60000 T02280156 10300 20228 51037 PNO $","temp":22.8,"dewpoint":15.6,"humidity":64,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T00:54:00.000Z","obsTimeLocal":"2026-10-02T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030054Z 31005KT 10SM FEW028 SCT065 BKN085 23/16 A2993 RMK AO2 SLP134 T02280156 PNO $","temp":22.8,"dewpoint":15.6,"humidity":64,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T01:54:00.000Z","obsTimeLocal":"2026-10-02T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030154Z 35007KT 10SM SCT080 22/16 A2996 RMK AO2 SLP144 T02220156 PNO $","temp":22.2,"dewpoint":15.6,"humidity":66,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T02:54:00.000Z","obsTimeLocal":"2026-10-02T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030254Z 36009KT 10SM BKN038 OVC085 22/16 A2998 RMK AO2 SLP150 T02170156 51028 PNO $","temp":21.7,"dewpoint":15.6,"humidity":68,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-03T03:54:00.000Z","obsTimeLocal":"2026-10-02T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 030354Z 33009KT 10SM SCT049 BKN060 20/14 A3001 RMK AO2 SLP162 T02000144 PNO $","temp":20,"dewpoint":14.4,"humidity":70,"wind":4.6,"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/2026-10-02","json":"https://weathermarket.io/api/station/KBOS/2026-10-02","record":"https://weathermarket.io/api/station/KBOS/2026-10-02?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-01","next":"https://weathermarket.io/station/KBOS/2026-10-03","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=2&year2=2026&month2=10&day2=4&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=2&hora=4&anof=2026&mesf=10&dayf=3&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}