{"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":"2026-10-30","window":{"date":"2026-10-30","timezone":"America/New_York","dayStartUtc":"2026-10-30T04:00:00.000Z","dayEndUtc":"2026-10-31T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":21.7,"tmaxAt":"2026-10-30T16:54:00.000Z","tmin":10.6,"tminAt":"2026-10-31T03:54:00.000Z","tavg":15.7,"humidityMean":59.2,"windMean":5.8,"windMax":9.3,"windMaxAt":"2026-10-30T20:54:00.000Z","precipObservedCount":0,"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":"2026-10-30T16:54:00.000Z","obsTimeLocal":"2026-10-30T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301654Z 28017G25KT 10SM FEW050 22/06 A2989 RMK AO2 PK WND 28030/1617 SLP122 T02170056 $","temp":21.7,"dewpoint":5.6,"humidity":35,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-31T03:54:00.000Z","obsTimeLocal":"2026-10-30T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 310354Z 31008KT 10SM CLR 11/01 A3017 RMK AO2 SLP216 T01060006 $","temp":10.6,"dewpoint":0.6,"humidity":50,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-30T20:54:00.000Z","obsTimeLocal":"2026-10-30T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 302054Z 29018G26KT 10SM FEW050 18/02 A2996 RMK AO2 PK WND 27029/2010 SLP145 T01780022 53026 $","temp":17.8,"dewpoint":2.2,"humidity":35,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-31T07:00:00.000Z","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":"c264011878894452","lastChangedAt":"2026-10-31T03:57:38.622Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-30?format=record","status":"anchored","sha256":"2cfbf3a24f26f648296468fc4b375565b6a6675e803f39832e376f0a3f749579","revision":"c264011878894452","flareTxHash":"0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","flareBlock":73860312,"anchoredAt":"2026-11-06T05:01:27.405Z","explorer":"https://flare-explorer.flare.network/tx/0xd1820a9490fa0f7d5a2f7c7036f9dd753ea96f4b0d435325aecd2195f0c7bc47","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":"2026-10-30T16:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-31T03:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":21.7,"tmin":10.6,"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":22.22,"tmin":10,"precip":0,"corrected":false,"issuedAt":"2026-10-31T05:25:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-30","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-30"},"observations":[{"obsTimeUtc":"2026-10-30T04:54:00.000Z","obsTimeLocal":"2026-10-30T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300454Z 21011KT 10SM BKN100 13/11 A2998 RMK AO2 SLP152 T01330106 402060089 $","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T05:54:00.000Z","obsTimeLocal":"2026-10-30T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300554Z 22009KT 10SM BKN100 13/11 A2996 RMK AO2 SLP145 T01330111 10156 20133 58018 $","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T06:54:00.000Z","obsTimeLocal":"2026-10-30T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300654Z 21005KT 10SM SCT100 13/11 A2995 RMK AO2 SLP141 T01280111 $","temp":12.8,"dewpoint":11.1,"humidity":89,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T07:54:00.000Z","obsTimeLocal":"2026-10-30T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300754Z 22006KT 10SM BKN110 14/11 A2993 RMK AO2 SLP135 T01390111 $","temp":13.9,"dewpoint":11.1,"humidity":83,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:54:00.000Z","obsTimeLocal":"2026-10-30T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300854Z 20006KT 10SM BKN140 13/11 A2993 RMK AO2 SLP134 T01330111 56010 $","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T09:54:00.000Z","obsTimeLocal":"2026-10-30T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 300954Z 22008KT 10SM BKN090 BKN120 13/11 A2993 RMK AO2 SLP134 T01330111 $","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:54:00.000Z","obsTimeLocal":"2026-10-30T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301054Z 22007KT 10SM BKN100 14/12 A2992 RMK AO2 RAB19E30 SLP133 P0000 T01390117 $","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:54:00.000Z","obsTimeLocal":"2026-10-30T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301154Z 23009G20KT 10SM BKN095 14/12 A2994 RMK AO2 SLP137 60000 T01440117 10144 20128 53003 $","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T12:54:00.000Z","obsTimeLocal":"2026-10-30T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301254Z 22007KT 10SM SCT110 16/12 A2993 RMK AO2 SLP135 T01560117 $","temp":15.6,"dewpoint":11.7,"humidity":78,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:54:00.000Z","obsTimeLocal":"2026-10-30T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301354Z 27008G20KT 10SM FEW050 FEW110 18/12 A2993 RMK AO2 SLP136 T01830117 $","temp":18.3,"dewpoint":11.7,"humidity":65,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T14:54:00.000Z","obsTimeLocal":"2026-10-30T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301454Z 27014G25KT 10SM FEW050 FEW110 20/11 A2992 RMK AO2 SLP133 T02000106 58004 $","temp":20,"dewpoint":10.6,"humidity":55,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T15:54:00.000Z","obsTimeLocal":"2026-10-30T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301554Z 28015G25KT 10SM FEW050 FEW110 21/08 A2991 RMK AO2 PK WND 28027/1515 SLP126 T02110083 $","temp":21.1,"dewpoint":8.3,"humidity":44,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T16:54:00.000Z","obsTimeLocal":"2026-10-30T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301654Z 28017G25KT 10SM FEW050 22/06 A2989 RMK AO2 PK WND 28030/1617 SLP122 T02170056 $","temp":21.7,"dewpoint":5.6,"humidity":35,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:54:00.000Z","obsTimeLocal":"2026-10-30T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301754Z 28015G24KT 10SM FEW050 22/03 A2988 RMK AO2 SLP119 T02170033 10217 20144 56014 $","temp":21.7,"dewpoint":3.3,"humidity":30,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:54:00.000Z","obsTimeLocal":"2026-10-30T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301854Z 28015G26KT 10SM FEW050 21/03 A2990 RMK AO2 PK WND 29036/1826 SLP124 T02060033 $","temp":20.6,"dewpoint":3.3,"humidity":32,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:54:00.000Z","obsTimeLocal":"2026-10-30T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 301954Z 29012G24KT 10SM FEW050 19/03 A2993 RMK AO2 PK WND 29029/1916 SLP134 T01940033 $","temp":19.4,"dewpoint":3.3,"humidity":34,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:54:00.000Z","obsTimeLocal":"2026-10-30T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 302054Z 29018G26KT 10SM FEW050 18/02 A2996 RMK AO2 PK WND 27029/2010 SLP145 T01780022 53026 $","temp":17.8,"dewpoint":2.2,"humidity":35,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T21:54:00.000Z","obsTimeLocal":"2026-10-30T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 302154Z 33017G32KT 10SM FEW060 FEW250 16/02 A3001 RMK AO2 PK WND 33033/2140 SLP162 T01560017 $","temp":15.6,"dewpoint":1.7,"humidity":39,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:54:00.000Z","obsTimeLocal":"2026-10-30T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 302254Z 30014G24KT 10SM FEW060 14/01 A3006 RMK AO2 PK WND 33031/2203 SLP178 T01440006 $","temp":14.4,"dewpoint":0.6,"humidity":39,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:54:00.000Z","obsTimeLocal":"2026-10-30T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 302354Z 30015G26KT 10SM FEW060 13/00 A3009 RMK AO2 PK WND 32033/2322 SLP188 T01280000 10222 20128 51043 $","temp":12.8,"dewpoint":0,"humidity":41,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:54:00.000Z","obsTimeLocal":"2026-10-30T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 310154Z 29010KT 10SM CLR 11/01 A3015 RMK AO2 SLP209 T01110006 $","temp":11.1,"dewpoint":0.6,"humidity":48,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:54:00.000Z","obsTimeLocal":"2026-10-30T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 310254Z 29013KT 10SM CLR 11/01 A3016 RMK AO2 SLP211 T01110006 51023 $","temp":11.1,"dewpoint":0.6,"humidity":48,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:54:00.000Z","obsTimeLocal":"2026-10-30T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 310354Z 31008KT 10SM CLR 11/01 A3017 RMK AO2 SLP216 T01060006 $","temp":10.6,"dewpoint":0.6,"humidity":50,"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/2026-10-30","json":"https://weathermarket.io/api/station/KBOS/2026-10-30","record":"https://weathermarket.io/api/station/KBOS/2026-10-30?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-29","next":"https://weathermarket.io/station/KBOS/2026-10-31","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=30&year2=2026&month2=11&day2=1&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=30&hora=4&anof=2026&mesf=10&dayf=31&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}