{"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":"2026-10-23","window":{"date":"2026-10-23","timezone":"America/New_York","dayStartUtc":"2026-10-23T04:00:00.000Z","dayEndUtc":"2026-10-24T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":11.7,"tmaxAt":"2026-10-23T16:54:00.000Z","tmin":6.7,"tminAt":"2026-10-23T10:54:00.000Z","tavg":9.4,"humidityMean":51.7,"windMean":4.2,"windMax":8.2,"windMaxAt":"2026-10-23T13:54:00.000Z","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":"2026-10-23T16:54:00.000Z","obsTimeLocal":"2026-10-23T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231654Z 04009KT 10SM FEW045 12/M01 A3037 RMK AO2 SLP282 T01171011","temp":11.7,"dewpoint":-1.1,"humidity":41,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-23T10:54:00.000Z","obsTimeLocal":"2026-10-23T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231054Z 35008KT 10SM FEW045 07/M02 A3028 RMK AO2 SLP253 T00671022","temp":6.7,"dewpoint":-2.2,"humidity":53,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-23T13:54:00.000Z","obsTimeLocal":"2026-10-23T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231354Z 03016G23KT 10SM FEW050 09/M01 A3036 RMK AO2 SLP280 T00891011","temp":8.9,"dewpoint":-1.1,"humidity":50,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-24T07:00:00.000Z","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":"96c1b698cc46677d","lastChangedAt":"2026-10-24T03:58:38.409Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-23?format=record","status":"anchored","sha256":"71f3ab8bd240458babeb8607cf0d905076ba3111322f05c6e565ead4a8f4a672","revision":"96c1b698cc46677d","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":"2026-10-23T16:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-23T10:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":11.7,"tmin":6.7,"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":11.67,"tmin":6.11,"precip":0,"corrected":false,"issuedAt":"2026-10-24T05:45:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-23","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-23"},"observations":[{"obsTimeUtc":"2026-10-23T04:54:00.000Z","obsTimeLocal":"2026-10-23T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230454Z 36010KT 10SM FEW045 11/02 A3012 RMK AO2 SLP200 T01110017 401830083","temp":11.1,"dewpoint":1.7,"humidity":52,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T05:54:00.000Z","obsTimeLocal":"2026-10-23T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230554Z 35009KT 10SM FEW045 10/01 A3014 RMK AO2 SLP205 T01000011 10144 20100 52018","temp":10,"dewpoint":1.1,"humidity":54,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T06:54:00.000Z","obsTimeLocal":"2026-10-23T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230654Z 36010KT 10SM FEW045 09/01 A3017 RMK AO2 SLP215 T00940006","temp":9.4,"dewpoint":0.6,"humidity":54,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T07:54:00.000Z","obsTimeLocal":"2026-10-23T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230754Z 36011KT 10SM CLR 08/M01 A3019 RMK AO2 SLP223 T00831011","temp":8.3,"dewpoint":-1.1,"humidity":52,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T08:54:00.000Z","obsTimeLocal":"2026-10-23T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230854Z 36012KT 10SM CLR 08/M02 A3022 RMK AO2 SLP231 T00831022 51026","temp":8.3,"dewpoint":-2.2,"humidity":48,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T09:54:00.000Z","obsTimeLocal":"2026-10-23T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 230954Z 34006KT 10SM CLR 07/M02 A3025 RMK AO2 SLP243 T00721022","temp":7.2,"dewpoint":-2.2,"humidity":51,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T10:54:00.000Z","obsTimeLocal":"2026-10-23T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231054Z 35008KT 10SM FEW045 07/M02 A3028 RMK AO2 SLP253 T00671022","temp":6.7,"dewpoint":-2.2,"humidity":53,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T11:54:00.000Z","obsTimeLocal":"2026-10-23T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231154Z 34006KT 10SM FEW050 07/M02 A3031 RMK AO2 SLP263 T00721017 10100 20067 51032","temp":7.2,"dewpoint":-1.7,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T12:54:00.000Z","obsTimeLocal":"2026-10-23T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231254Z 02014G20KT 10SM FEW050 08/M02 A3033 RMK AO2 SLP271 T00831017","temp":8.3,"dewpoint":-1.7,"humidity":49,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T13:54:00.000Z","obsTimeLocal":"2026-10-23T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231354Z 03016G23KT 10SM FEW050 09/M01 A3036 RMK AO2 SLP280 T00891011","temp":8.9,"dewpoint":-1.1,"humidity":50,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T14:54:00.000Z","obsTimeLocal":"2026-10-23T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231454Z 01015KT 10SM FEW045 10/M02 A3037 RMK AO2 SLP283 T01001022 51019","temp":10,"dewpoint":-2.2,"humidity":42,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T15:54:00.000Z","obsTimeLocal":"2026-10-23T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231554Z 02014KT 10SM FEW045 11/M02 A3037 RMK AO2 SLP283 T01061017","temp":10.6,"dewpoint":-1.7,"humidity":42,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T16:54:00.000Z","obsTimeLocal":"2026-10-23T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231654Z 04009KT 10SM FEW045 12/M01 A3037 RMK AO2 SLP282 T01171011","temp":11.7,"dewpoint":-1.1,"humidity":41,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T17:54:00.000Z","obsTimeLocal":"2026-10-23T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231754Z 08008KT 10SM FEW045 11/M02 A3035 RMK AO2 SLP277 T01111017 10117 20072 58006","temp":11.1,"dewpoint":-1.7,"humidity":41,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T18:54:00.000Z","obsTimeLocal":"2026-10-23T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231854Z 11009KT 10SM FEW045 11/00 A3035 RMK AO2 SLP276 T01110000","temp":11.1,"dewpoint":0,"humidity":46,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T19:54:00.000Z","obsTimeLocal":"2026-10-23T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 231954Z 09007KT 10SM FEW045 11/01 A3035 RMK AO2 SLP276 T01110006","temp":11.1,"dewpoint":0.6,"humidity":48,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T20:54:00.000Z","obsTimeLocal":"2026-10-23T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 232054Z 11006KT 10SM FEW045 FEW250 11/01 A3036 RMK AO2 SLP280 T01110011 53003","temp":11.1,"dewpoint":1.1,"humidity":50,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T22:54:00.000Z","obsTimeLocal":"2026-10-23T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 232254Z 13005KT 10SM FEW250 10/02 A3040 RMK AO2 SLP292 T01000017","temp":10,"dewpoint":1.7,"humidity":56,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-23T23:54:00.000Z","obsTimeLocal":"2026-10-23T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 232354Z 00000KT 10SM CLR 10/03 A3042 RMK AO2 SLP301 T01000028 10117 20089 53021","temp":10,"dewpoint":2.8,"humidity":61,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T00:54:00.000Z","obsTimeLocal":"2026-10-23T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240054Z 20004KT 10SM CLR 09/02 A3043 RMK AO2 SLP304 T00890017","temp":8.9,"dewpoint":1.7,"humidity":61,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T01:54:00.000Z","obsTimeLocal":"2026-10-23T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240154Z 00000KT 10SM CLR 09/01 A3045 RMK AO2 SLP311 T00890011","temp":8.9,"dewpoint":1.1,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T02:54:00.000Z","obsTimeLocal":"2026-10-23T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240254Z 23004KT 10SM CLR 08/02 A3046 RMK AO2 SLP314 T00830017 52014","temp":8.3,"dewpoint":1.7,"humidity":63,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-24T03:54:00.000Z","obsTimeLocal":"2026-10-23T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 240354Z 27003KT 10SM CLR 08/02 A3047 RMK AO2 SLP316 T00830022","temp":8.3,"dewpoint":2.2,"humidity":65,"wind":1.5,"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/2026-10-23","json":"https://weathermarket.io/api/station/KBOS/2026-10-23","record":"https://weathermarket.io/api/station/KBOS/2026-10-23?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-22","next":"https://weathermarket.io/station/KBOS/2026-10-24","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=23&year2=2026&month2=10&day2=25&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=23&hora=4&anof=2026&mesf=10&dayf=24&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}