{"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":"2026-10-08","window":{"date":"2026-10-08","timezone":"America/New_York","dayStartUtc":"2026-10-08T04:00:00.000Z","dayEndUtc":"2026-10-09T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":22.8,"tmaxAt":"2026-10-08T18:54:00.000Z","tmin":13.3,"tminAt":"2026-10-08T06:54:00.000Z","tavg":17.3,"humidityMean":61.1,"windMean":6.4,"windMax":9.3,"windMaxAt":"2026-10-08T17:54:00.000Z","precipObservedCount":0,"nObservations":25,"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":"2026-10-08T18:54:00.000Z","obsTimeLocal":"2026-10-08T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081854Z 28013G24KT 10SM FEW040 SCT065 SCT200 23/06 A2977 RMK AO2 PK WND 28028/1820 SLP082 T02280056","temp":22.8,"dewpoint":5.6,"humidity":33,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-08T06:54:00.000Z","obsTimeLocal":"2026-10-08T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080654Z 21014G21KT 10SM FEW110 FEW250 13/11 A2979 RMK AO2 SLP087 T01330106","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-08T17:54:00.000Z","obsTimeLocal":"2026-10-08T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081754Z 27018G27KT 9SM FEW038 SCT055 SCT200 22/07 A2977 RMK AO2 PK WND 26027/1752 SLP079 T02170072 10228 20144 50000","temp":21.7,"dewpoint":7.2,"humidity":39,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-09T07:00:00.000Z","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":"39cd63f1feec77a8","lastChangedAt":"2026-10-09T03:57:40.140Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-08?format=record","status":"anchored","sha256":"d23dc98f104acff0f87ce18e6a0806f9fb0509297a888ae7ffca1b31b720227d","revision":"39cd63f1feec77a8","flareTxHash":"0xeeafa118c3049288c255f0920d91c70e8b7ab876140bbac96d13ee9bd71d5418","flareBlock":71679052,"anchoredAt":"2026-10-09T07:01:26.071Z","explorer":"https://flare-explorer.flare.network/tx/0xeeafa118c3049288c255f0920d91c70e8b7ab876140bbac96d13ee9bd71d5418","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":25,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-08T18:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-08T06:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":22.8,"tmin":13.3,"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":22.78,"tmin":13.33,"precip":0,"corrected":false,"issuedAt":"2026-10-09T06:19:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-08","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-08"},"observations":[{"obsTimeUtc":"2026-10-08T04:54:00.000Z","obsTimeLocal":"2026-10-08T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080454Z 21012KT 10SM FEW250 14/09 A2983 RMK AO2 SLP099 T01390094 401890061","temp":13.9,"dewpoint":9.4,"humidity":74,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T05:54:00.000Z","obsTimeLocal":"2026-10-08T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080554Z 21013KT 10SM FEW011 FEW250 14/10 A2981 RMK AO2 SLP095 T01390100 10144 20128 56019","temp":13.9,"dewpoint":10,"humidity":77,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T06:54:00.000Z","obsTimeLocal":"2026-10-08T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080654Z 21014G21KT 10SM FEW110 FEW250 13/11 A2979 RMK AO2 SLP087 T01330106","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T07:54:00.000Z","obsTimeLocal":"2026-10-08T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080754Z 21014KT 10SM FEW110 FEW250 13/11 A2977 RMK AO2 SLP080 T01330106 $","temp":13.3,"dewpoint":10.6,"humidity":84,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T08:54:00.000Z","obsTimeLocal":"2026-10-08T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080854Z 22012KT 10SM FEW120 SCT250 13/11 A2977 RMK AO2 SLP079 T01330111 56016 $","temp":13.3,"dewpoint":11.1,"humidity":87,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T09:54:00.000Z","obsTimeLocal":"2026-10-08T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 080954Z 22014KT 10SM BKN070 BKN120 14/12 A2977 RMK AO2 SLP082 T01390117 $","temp":13.9,"dewpoint":11.7,"humidity":87,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T10:54:00.000Z","obsTimeLocal":"2026-10-08T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081054Z 22009KT 10SM BKN070 14/12 A2978 RMK AO2 SLP082 T01440117 $","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T11:54:00.000Z","obsTimeLocal":"2026-10-08T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081154Z 20010KT 10SM SCT070 BKN120 14/12 A2977 RMK AO2 SLP079 T01440122 10144 20133 50000","temp":14.4,"dewpoint":12.2,"humidity":87,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T12:15:00.000Z","obsTimeLocal":"2026-10-08T08:15:00-04:00","metarType":"SPECI","raw":"SPECI KBOS 081215Z 22011KT 10SM BKN015 BKN070 BKN120 15/13 A2977 RMK AO2 T01500128","temp":15,"dewpoint":12.8,"humidity":87,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T12:54:00.000Z","obsTimeLocal":"2026-10-08T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081254Z 23013KT 10SM BKN015 BKN070 BKN120 17/13 A2976 RMK AO2 SLP079 T01670133","temp":16.7,"dewpoint":13.3,"humidity":80,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T13:26:00.000Z","obsTimeLocal":"2026-10-08T09:26:00-04:00","metarType":"SPECI","raw":"SPECI KBOS 081326Z 23017G23KT 10SM SCT015 BKN100 BKN120 17/13 A2976 RMK AO2 PK WND 22026/1304 T01720128","temp":17.2,"dewpoint":12.8,"humidity":75,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T13:54:00.000Z","obsTimeLocal":"2026-10-08T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081354Z 23012G22KT 10SM SCT017 BKN100 17/13 A2976 RMK AO2 PK WND 22026/1304 SLP078 T01720128","temp":17.2,"dewpoint":12.8,"humidity":75,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T14:54:00.000Z","obsTimeLocal":"2026-10-08T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081454Z 24016G24KT 10SM FEW022 FEW110 19/13 A2977 RMK AO2 SLP079 T01940128 55000","temp":19.4,"dewpoint":12.8,"humidity":66,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T15:54:00.000Z","obsTimeLocal":"2026-10-08T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081554Z 28016G25KT 10SM FEW035 FEW110 21/12 A2977 RMK AO2 SLP079 T02110117","temp":21.1,"dewpoint":11.7,"humidity":55,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T16:54:00.000Z","obsTimeLocal":"2026-10-08T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081654Z 26013G22KT 10SM FEW036 FEW047 22/11 A2977 RMK AO2 PK WND 27026/1618 SLP081 T02220106","temp":22.2,"dewpoint":10.6,"humidity":48,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T17:54:00.000Z","obsTimeLocal":"2026-10-08T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081754Z 27018G27KT 9SM FEW038 SCT055 SCT200 22/07 A2977 RMK AO2 PK WND 26027/1752 SLP079 T02170072 10228 20144 50000","temp":21.7,"dewpoint":7.2,"humidity":39,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T18:54:00.000Z","obsTimeLocal":"2026-10-08T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081854Z 28013G24KT 10SM FEW040 SCT065 SCT200 23/06 A2977 RMK AO2 PK WND 28028/1820 SLP082 T02280056","temp":22.8,"dewpoint":5.6,"humidity":33,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T19:54:00.000Z","obsTimeLocal":"2026-10-08T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 081954Z 28015G24KT 10SM FEW065 SCT200 22/04 A2978 RMK AO2 PK WND 27029/1937 SLP084 T02220039","temp":22.2,"dewpoint":3.9,"humidity":30,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T21:54:00.000Z","obsTimeLocal":"2026-10-08T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 082154Z 32013G17KT 10SM FEW065 FEW200 20/04 A2984 RMK AO2 SLP104 T02000039","temp":20,"dewpoint":3.9,"humidity":35,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T22:54:00.000Z","obsTimeLocal":"2026-10-08T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 082254Z 30008KT 10SM FEW070 19/04 A2988 RMK AO2 SLP117 T01890044","temp":18.9,"dewpoint":4.4,"humidity":38,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-08T23:54:00.000Z","obsTimeLocal":"2026-10-08T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 082354Z 28009KT 10SM CLR 18/04 A2990 RMK AO2 SLP126 T01830044 10228 20183 51035","temp":18.3,"dewpoint":4.4,"humidity":40,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T00:54:00.000Z","obsTimeLocal":"2026-10-08T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 090054Z 28008G18KT 10SM CLR 18/04 A2992 RMK AO2 SLP132 T01830039","temp":18.3,"dewpoint":3.9,"humidity":38,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T01:54:00.000Z","obsTimeLocal":"2026-10-08T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 090154Z 28011KT 10SM CLR 17/03 A2995 RMK AO2 SLP140 T01720033","temp":17.2,"dewpoint":3.3,"humidity":40,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T02:54:00.000Z","obsTimeLocal":"2026-10-08T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 090254Z 28012G20KT 10SM CLR 17/03 A2997 RMK AO2 SLP147 T01720033 52021","temp":17.2,"dewpoint":3.3,"humidity":40,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-09T03:54:00.000Z","obsTimeLocal":"2026-10-08T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 090354Z 27010G20KT 10SM CLR 16/04 A2998 RMK AO2 SLP150 T01610039","temp":16.1,"dewpoint":3.9,"humidity":44,"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/2026-10-08","json":"https://weathermarket.io/api/station/KBOS/2026-10-08","record":"https://weathermarket.io/api/station/KBOS/2026-10-08?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-07","next":"https://weathermarket.io/station/KBOS/2026-10-09","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=8&year2=2026&month2=10&day2=10&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=8&hora=4&anof=2026&mesf=10&dayf=9&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}