{"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":"2026-11-11","window":{"date":"2026-11-11","timezone":"America/New_York","dayStartUtc":"2026-11-11T05:00:00.000Z","dayEndUtc":"2026-11-12T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":13.9,"tmaxAt":"2026-11-11T18:54:00.000Z","tmin":7.8,"tminAt":"2026-11-11T07:54:00.000Z","tavg":10.9,"humidityMean":56.8,"windMean":3,"windMax":5.1,"windMaxAt":"2026-11-11T15:54:00.000Z","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":"2026-11-11T18:54:00.000Z","obsTimeLocal":"2026-11-11T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111854Z 28007KT 10SM FEW050 FEW250 14/M01 A2986 RMK AO2 SLP112 T01391006","temp":13.9,"dewpoint":-0.6,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-11T07:54:00.000Z","obsTimeLocal":"2026-11-11T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110754Z 23004KT 10SM FEW050 FEW150 08/04 A2983 RMK AO2 SLP099 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-11T15:54:00.000Z","obsTimeLocal":"2026-11-11T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111554Z 30010KT 10SM FEW045 FEW250 12/M01 A2991 RMK AO2 SLP126 T01221011","temp":12.2,"dewpoint":-1.1,"humidity":40,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-12T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"28c955a7965d0419","lastChangedAt":"2026-11-12T04:57:38.677Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-11?format=record","status":"anchored","sha256":"71186a8babd606a3a204519e3e4c85d2607bc1c02325a66e449995d5292c377b","revision":"28c955a7965d0419","flareTxHash":"0xa82050d1d7a2cfb36b06c833472b78f6d8536b3db857f30f0c77dc7c7b516164","flareBlock":74344219,"anchoredAt":"2026-11-12T08:01:24.502Z","explorer":"https://flare-explorer.flare.network/tx/0xa82050d1d7a2cfb36b06c833472b78f6d8536b3db857f30f0c77dc7c7b516164","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":"2026-11-11T18:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-11T07:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":13.9,"tmin":7.8,"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":13.89,"tmin":7.78,"precip":0,"corrected":false,"issuedAt":"2026-11-12T05:25:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-11","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-11"},"observations":[{"obsTimeUtc":"2026-11-11T05:54:00.000Z","obsTimeLocal":"2026-11-11T00:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110554Z 29005KT 10SM FEW150 11/04 A2981 RMK AO2 SLP093 T01060039 10122 20100 53006","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T06:54:00.000Z","obsTimeLocal":"2026-11-11T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110654Z 19006KT 10SM FEW150 08/04 A2982 RMK AO2 SLP098 T00830044","temp":8.3,"dewpoint":4.4,"humidity":76,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T07:54:00.000Z","obsTimeLocal":"2026-11-11T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110754Z 23004KT 10SM FEW050 FEW150 08/04 A2983 RMK AO2 SLP099 T00780044","temp":7.8,"dewpoint":4.4,"humidity":79,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T08:54:00.000Z","obsTimeLocal":"2026-11-11T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110854Z 29008KT 10SM FEW050 FEW150 09/03 A2985 RMK AO2 SLP108 T00940033 53015","temp":9.4,"dewpoint":3.3,"humidity":66,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T09:54:00.000Z","obsTimeLocal":"2026-11-11T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 110954Z 28008KT 10SM FEW050 FEW150 09/03 A2986 RMK AO2 SLP112 T00940028","temp":9.4,"dewpoint":2.8,"humidity":63,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T10:54:00.000Z","obsTimeLocal":"2026-11-11T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111054Z 29007KT 10SM FEW050 FEW150 09/03 A2988 RMK AO2 SLP118 T00940028","temp":9.4,"dewpoint":2.8,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T11:54:00.000Z","obsTimeLocal":"2026-11-11T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111154Z 29007KT 10SM FEW050 FEW250 09/03 A2990 RMK AO2 SLP125 T00940028 10106 20078 53017","temp":9.4,"dewpoint":2.8,"humidity":63,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T12:54:00.000Z","obsTimeLocal":"2026-11-11T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111254Z 31008KT 10SM FEW045 FEW090 FEW250 10/03 A2992 RMK AO2 SLP130 T01000028","temp":10,"dewpoint":2.8,"humidity":61,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T13:54:00.000Z","obsTimeLocal":"2026-11-11T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111354Z 30009KT 10SM FEW045 SCT250 11/01 A2992 RMK AO2 SLP131 T01060011","temp":10.6,"dewpoint":1.1,"humidity":52,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T14:54:00.000Z","obsTimeLocal":"2026-11-11T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111454Z 30009G20KT 10SM FEW045 FEW250 12/00 A2992 RMK AO2 SLP130 T01170000 50005","temp":11.7,"dewpoint":0,"humidity":45,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T15:54:00.000Z","obsTimeLocal":"2026-11-11T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111554Z 30010KT 10SM FEW045 FEW250 12/M01 A2991 RMK AO2 SLP126 T01221011","temp":12.2,"dewpoint":-1.1,"humidity":40,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T16:54:00.000Z","obsTimeLocal":"2026-11-11T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111654Z 29006G15KT 10SM FEW050 FEW250 13/M01 A2988 RMK AO2 SLP118 T01281006","temp":12.8,"dewpoint":-0.6,"humidity":40,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T17:54:00.000Z","obsTimeLocal":"2026-11-11T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111754Z 26005KT 10SM FEW050 FEW250 13/M01 A2987 RMK AO2 SLP115 T01331006 10133 20089 56015","temp":13.3,"dewpoint":-0.6,"humidity":38,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T18:54:00.000Z","obsTimeLocal":"2026-11-11T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111854Z 28007KT 10SM FEW050 FEW250 14/M01 A2986 RMK AO2 SLP112 T01391006","temp":13.9,"dewpoint":-0.6,"humidity":37,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T19:54:00.000Z","obsTimeLocal":"2026-11-11T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 111954Z 30006KT 10SM FEW050 BKN250 14/M01 A2987 RMK AO2 SLP112 T01391006","temp":13.9,"dewpoint":-0.6,"humidity":37,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T20:54:00.000Z","obsTimeLocal":"2026-11-11T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 112054Z 30007KT 10SM FEW050 BKN250 13/M01 A2987 RMK AO2 SLP113 T01281011 55002","temp":12.8,"dewpoint":-1.1,"humidity":38,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T21:54:00.000Z","obsTimeLocal":"2026-11-11T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 112154Z 32004KT 10SM FEW060 BKN220 13/M01 A2987 RMK AO2 SLP115 T01281011","temp":12.8,"dewpoint":-1.1,"humidity":38,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T22:54:00.000Z","obsTimeLocal":"2026-11-11T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 112254Z 22003KT 10SM FEW060 BKN180 12/M01 A2988 RMK AO2 SLP116 T01221006","temp":12.2,"dewpoint":-0.6,"humidity":41,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-11T23:54:00.000Z","obsTimeLocal":"2026-11-11T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 112354Z 00000KT 10SM FEW065 OVC200 11/02 A2987 RMK AO2 SLP116 T01110022 10139 20111 50003","temp":11.1,"dewpoint":2.2,"humidity":54,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T00:54:00.000Z","obsTimeLocal":"2026-11-11T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120054Z 01006KT 10SM OVC200 10/03 A2988 RMK AO2 SLP118 T01000033","temp":10,"dewpoint":3.3,"humidity":63,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T01:54:00.000Z","obsTimeLocal":"2026-11-11T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120154Z 35007KT 10SM OVC150 10/06 A2988 RMK AO2 SLP116 T01000056","temp":10,"dewpoint":5.6,"humidity":74,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T02:54:00.000Z","obsTimeLocal":"2026-11-11T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120254Z 08004KT 10SM BKN150 09/06 A2986 RMK AO2 SLP111 T00940056 58005","temp":9.4,"dewpoint":5.6,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T03:54:00.000Z","obsTimeLocal":"2026-11-11T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120354Z 09003KT 10SM SCT070 BKN150 10/06 A2985 RMK AO2 SLP107 T01000061","temp":10,"dewpoint":6.1,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T04:54:00.000Z","obsTimeLocal":"2026-11-11T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120454Z 00000KT 10SM SCT150 10/06 A2984 RMK AO2 SLP105 T01000061 401390078","temp":10,"dewpoint":6.1,"humidity":77,"wind":0,"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/2026-11-11","json":"https://weathermarket.io/api/station/KBOS/2026-11-11","record":"https://weathermarket.io/api/station/KBOS/2026-11-11?format=record","prev":"https://weathermarket.io/station/KBOS/2026-11-10","next":"https://weathermarket.io/station/KBOS/2026-11-12","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=11&year2=2026&month2=11&day2=13&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=11&hora=5&anof=2026&mesf=11&dayf=12&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}