{"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":"2026-11-09","window":{"date":"2026-11-09","timezone":"America/New_York","dayStartUtc":"2026-11-09T05:00:00.000Z","dayEndUtc":"2026-11-10T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":14.4,"tmaxAt":"2026-11-09T17:54:00.000Z","tmin":9.4,"tminAt":"2026-11-09T06:54:00.000Z","tavg":11.2,"humidityMean":61.1,"windMean":5.4,"windMax":7.2,"windMaxAt":"2026-11-09T16:54:00.000Z","precipObservedCount":1,"nObservations":23,"maxGapMinutes":120,"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":"2026-11-09T17:54:00.000Z","obsTimeLocal":"2026-11-09T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091754Z 29012G19KT 10SM FEW045 SCT060 BKN080 BKN250 14/05 A2965 RMK AO2 SLP041 60000 T01440050 10144 20100 55003","temp":14.4,"dewpoint":5,"humidity":53,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-09T06:54:00.000Z","obsTimeLocal":"2026-11-09T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 090654Z 22007KT 10SM -RA SCT065 BKN080 OVC095 09/04 A2966 RMK AO2 RAB19 SLP044 P0000 T00940044 $","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-09T16:54:00.000Z","obsTimeLocal":"2026-11-09T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091654Z 28014G25KT 10SM FEW050 FEW075 SCT090 BKN250 13/04 A2965 RMK AO2 PK WND 27026/1610 SLP039 T01330044","temp":13.3,"dewpoint":4.4,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-10T08:00:00.000Z","settleable":false,"coverage":{"ok":false,"maxGapMinutes":120,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":["coverage_gap: longest stretch without a report was 120 min, above 90 min (station normal interval 60 + 30)"],"holdHours":3},"revision":"79d0bd53f4b4c50f","lastChangedAt":"2026-11-10T04:57:38.575Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-09?format=record","status":"anchored","sha256":"22f6dbe7cb8a451224e588160cb115f7520e741025fd57c84f7fe9c39f7019f8","revision":"79d0bd53f4b4c50f","flareTxHash":"0xb85fce05b07fbe15da4e658ab57213713b4ebdcfbb36aa75c6548ecc2c4b74c5","flareBlock":74189609,"anchoredAt":"2026-11-10T08:01:18.173Z","explorer":"https://flare-explorer.flare.network/tx/0xb85fce05b07fbe15da4e658ab57213713b4ebdcfbb36aa75c6548ecc2c4b74c5","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":23,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-09T17:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-09T06:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":14.4,"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":14.44,"tmin":8.89,"precip":0,"corrected":false,"issuedAt":"2026-11-10T05:25:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-09","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-09"},"observations":[{"obsTimeUtc":"2026-11-09T05:54:00.000Z","obsTimeLocal":"2026-11-09T00:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 090554Z 23009KT 10SM FEW060 OVC100 10/03 A2967 RMK AO2 SLP046 T01000028 10117 20089 58010 $","temp":10,"dewpoint":2.8,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T06:54:00.000Z","obsTimeLocal":"2026-11-09T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 090654Z 22007KT 10SM -RA SCT065 BKN080 OVC095 09/04 A2966 RMK AO2 RAB19 SLP044 P0000 T00940044 $","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":3.6,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T08:54:00.000Z","obsTimeLocal":"2026-11-09T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 090854Z 23009KT 10SM BKN085 OVC120 11/03 A2965 RMK AO2 SLP038 60000 T01060033 55007 $","temp":10.6,"dewpoint":3.3,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T09:54:00.000Z","obsTimeLocal":"2026-11-09T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 090954Z 25010KT 10SM OVC100 10/03 A2964 RMK AO2 SLP037 T01000028 $","temp":10,"dewpoint":2.8,"humidity":61,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T10:54:00.000Z","obsTimeLocal":"2026-11-09T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091054Z 25010G19KT 10SM BKN100 11/02 A2964 RMK AO2 SLP037 T01060022 $","temp":10.6,"dewpoint":2.2,"humidity":56,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T11:54:00.000Z","obsTimeLocal":"2026-11-09T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091154Z 25009KT 10SM FEW065 BKN090 10/02 A2965 RMK AO2 SLP041 60000 T01000022 10106 20089 53002 $","temp":10,"dewpoint":2.2,"humidity":58,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T12:54:00.000Z","obsTimeLocal":"2026-11-09T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091254Z 27012KT 10SM FEW065 BKN080 11/02 A2966 RMK AO2 SLP044 T01060022","temp":10.6,"dewpoint":2.2,"humidity":56,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T13:54:00.000Z","obsTimeLocal":"2026-11-09T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091354Z 26010G17KT 10SM FEW065 BKN080 11/03 A2966 RMK AO2 SLP043 T01110028","temp":11.1,"dewpoint":2.8,"humidity":57,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T14:54:00.000Z","obsTimeLocal":"2026-11-09T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091454Z 27009G17KT 10SM FEW043 SCT055 BKN070 11/04 A2966 RMK AO2 RAB14E44 SLP043 P0000 60000 T01110039 51003","temp":11.1,"dewpoint":3.9,"humidity":61,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T15:54:00.000Z","obsTimeLocal":"2026-11-09T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091554Z 27011KT 10SM FEW045 FEW065 BKN095 12/04 A2966 RMK AO2 SLP043 T01220044","temp":12.2,"dewpoint":4.4,"humidity":59,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T16:54:00.000Z","obsTimeLocal":"2026-11-09T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091654Z 28014G25KT 10SM FEW050 FEW075 SCT090 BKN250 13/04 A2965 RMK AO2 PK WND 27026/1610 SLP039 T01330044","temp":13.3,"dewpoint":4.4,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T17:54:00.000Z","obsTimeLocal":"2026-11-09T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091754Z 29012G19KT 10SM FEW045 SCT060 BKN080 BKN250 14/05 A2965 RMK AO2 SLP041 60000 T01440050 10144 20100 55003","temp":14.4,"dewpoint":5,"humidity":53,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T18:54:00.000Z","obsTimeLocal":"2026-11-09T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091854Z 29012KT 10SM FEW038 BKN060 BKN070 13/06 A2967 RMK AO2 PK WND 29029/1842 SLP045 T01330056","temp":13.3,"dewpoint":5.6,"humidity":60,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T19:54:00.000Z","obsTimeLocal":"2026-11-09T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 091954Z 28011G18KT 10SM FEW050 SCT075 BKN090 BKN250 13/05 A2969 RMK AO2 SLP052 T01330050","temp":13.3,"dewpoint":5,"humidity":57,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T20:54:00.000Z","obsTimeLocal":"2026-11-09T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 092054Z 27012G22KT 10SM FEW040 SCT075 13/05 A2972 RMK AO2 SLP062 T01280050 53021","temp":12.8,"dewpoint":5,"humidity":59,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T21:54:00.000Z","obsTimeLocal":"2026-11-09T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 092154Z 29013G17KT 10SM FEW045 BKN075 12/05 A2974 RMK AO2 SLP071 T01220050","temp":12.2,"dewpoint":5,"humidity":61,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T22:54:00.000Z","obsTimeLocal":"2026-11-09T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 092254Z 29010G20KT 10SM FEW085 12/05 A2977 RMK AO2 SLP080 T01170050","temp":11.7,"dewpoint":5,"humidity":63,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-09T23:54:00.000Z","obsTimeLocal":"2026-11-09T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 092354Z 30009G17KT 10SM FEW085 11/04 A2979 RMK AO2 SLP089 T01110044 10144 20111 51027","temp":11.1,"dewpoint":4.4,"humidity":63,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-10T00:54:00.000Z","obsTimeLocal":"2026-11-09T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 100054Z 28011G17KT 10SM FEW055 SCT085 11/04 A2982 RMK AO2 SLP096 T01110039","temp":11.1,"dewpoint":3.9,"humidity":61,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-10T01:54:00.000Z","obsTimeLocal":"2026-11-09T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 100154Z 28010G20KT 10SM FEW055 SCT085 11/04 A2983 RMK AO2 SLP100 T01060044","temp":10.6,"dewpoint":4.4,"humidity":65,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-10T02:54:00.000Z","obsTimeLocal":"2026-11-09T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 100254Z 26011G17KT 10SM BKN060 10/04 A2984 RMK AO2 SLP104 T01000039 51016","temp":10,"dewpoint":3.9,"humidity":66,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-10T03:54:00.000Z","obsTimeLocal":"2026-11-09T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 100354Z 26011G18KT 10SM FEW060 09/04 A2985 RMK AO2 SLP107 T00940044","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-10T04:54:00.000Z","obsTimeLocal":"2026-11-09T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 100454Z 26010KT 10SM FEW060 09/04 A2985 RMK AO2 SLP108 T00940044 401440089","temp":9.4,"dewpoint":4.4,"humidity":71,"wind":5.1,"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/2026-11-09","json":"https://weathermarket.io/api/station/KBOS/2026-11-09","record":"https://weathermarket.io/api/station/KBOS/2026-11-09?format=record","prev":"https://weathermarket.io/station/KBOS/2026-11-08","next":"https://weathermarket.io/station/KBOS/2026-11-10","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=9&year2=2026&month2=11&day2=11&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=9&hora=5&anof=2026&mesf=11&dayf=10&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}