{"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":"2026-10-28","window":{"date":"2026-10-28","timezone":"America/New_York","dayStartUtc":"2026-10-28T04:00:00.000Z","dayEndUtc":"2026-10-29T04:00:00.000Z","utcOffsetStart":"-04:00","utcOffsetEnd":"-04:00","hours":24},"complete":true,"values":{"tmax":10.6,"tmaxAt":"2026-10-28T15:54:00.000Z","tmin":3.3,"tminAt":"2026-10-28T09:54:00.000Z","tavg":7.8,"humidityMean":67,"windMean":3.4,"windMax":5.1,"windMaxAt":"2026-10-29T02:54:00.000Z","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":"2026-10-28T15:54:00.000Z","obsTimeLocal":"2026-10-28T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281554Z VRB05KT 10SM FEW050 FEW160 BKN250 11/04 A3050 RMK AO2 SLP327 T01060039 $","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-28T09:54:00.000Z","obsTimeLocal":"2026-10-28T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280954Z 33007KT 10SM CLR 03/M03 A3048 RMK AO2 SLP319 T00331028 $","temp":3.3,"dewpoint":-2.8,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-29T02:54:00.000Z","obsTimeLocal":"2026-10-28T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290254Z 22010KT 10SM FEW200 10/07 A3036 RMK AO2 SLP281 T01000067 56013","temp":10,"dewpoint":6.7,"humidity":80,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-29T07:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"dd11e9196b121ea1","lastChangedAt":"2026-10-29T03:57:38.709Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-10-28?format=record","status":"anchored","sha256":"c96231b0e6a46338f2c3b61ffc19c7d0078a9dd2c82908bcabbc3a3af6c7f0c5","revision":"dd11e9196b121ea1","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":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-28T15:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-28T09:54:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":10.6,"tmin":3.3,"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":11.11,"tmin":3.33,"precip":0,"corrected":false,"issuedAt":"2026-10-29T05:26:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-10-28","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-10-28"},"observations":[{"obsTimeUtc":"2026-10-28T04:54:00.000Z","obsTimeLocal":"2026-10-28T00:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280454Z 33006KT 10SM FEW250 07/M02 A3045 RMK AO2 SLP309 T00671022 401390061 $","temp":6.7,"dewpoint":-2.2,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T05:54:00.000Z","obsTimeLocal":"2026-10-28T01:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280554Z 33006KT 10SM FEW250 06/M03 A3045 RMK AO2 SLP311 T00561033 10089 20056 51005 $","temp":5.6,"dewpoint":-3.3,"humidity":53,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T06:54:00.000Z","obsTimeLocal":"2026-10-28T02:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280654Z 33006KT 10SM FEW250 04/M03 A3046 RMK AO2 SLP314 T00441033 $","temp":4.4,"dewpoint":-3.3,"humidity":57,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T07:54:00.000Z","obsTimeLocal":"2026-10-28T03:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280754Z 33009KT 10SM FEW250 04/M03 A3046 RMK AO2 SLP315 T00441028 $","temp":4.4,"dewpoint":-2.8,"humidity":60,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:54:00.000Z","obsTimeLocal":"2026-10-28T04:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280854Z 32008KT 10SM FEW250 04/M03 A3047 RMK AO2 SLP317 T00391028 51006 $","temp":3.9,"dewpoint":-2.8,"humidity":62,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:54:00.000Z","obsTimeLocal":"2026-10-28T05:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 280954Z 33007KT 10SM CLR 03/M03 A3048 RMK AO2 SLP319 T00331028 $","temp":3.3,"dewpoint":-2.8,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:54:00.000Z","obsTimeLocal":"2026-10-28T06:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281054Z 33008KT 10SM FEW050 03/M03 A3047 RMK AO2 SLP318 T00331028 $","temp":3.3,"dewpoint":-2.8,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:54:00.000Z","obsTimeLocal":"2026-10-28T07:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281154Z 33008KT 10SM FEW065 FEW250 04/M02 A3050 RMK AO2 SLP326 T00391022 10056 20033 53009 $","temp":3.9,"dewpoint":-2.2,"humidity":64,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:54:00.000Z","obsTimeLocal":"2026-10-28T08:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281254Z 35007KT 10SM FEW060 FEW250 06/M01 A3051 RMK AO2 SLP330 T00611011 $","temp":6.1,"dewpoint":-1.1,"humidity":60,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:54:00.000Z","obsTimeLocal":"2026-10-28T09:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281354Z 36006KT 10SM FEW060 FEW180 BKN250 08/01 A3052 RMK AO2 SLP333 T00830006 $","temp":8.3,"dewpoint":0.6,"humidity":58,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:54:00.000Z","obsTimeLocal":"2026-10-28T10:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281454Z 04007KT 10SM FEW050 FEW180 BKN250 10/02 A3050 RMK AO2 SLP327 T01000022 50001 $","temp":10,"dewpoint":2.2,"humidity":58,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:54:00.000Z","obsTimeLocal":"2026-10-28T11:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281554Z VRB05KT 10SM FEW050 FEW160 BKN250 11/04 A3050 RMK AO2 SLP327 T01060039 $","temp":10.6,"dewpoint":3.9,"humidity":63,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:54:00.000Z","obsTimeLocal":"2026-10-28T12:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281654Z 06006KT 10SM FEW050 FEW160 BKN250 10/04 A3047 RMK AO2 SLP318 T01000039 $","temp":10,"dewpoint":3.9,"humidity":66,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:54:00.000Z","obsTimeLocal":"2026-10-28T13:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281754Z 08006KT 10SM FEW050 FEW120 SCT160 BKN250 11/04 A3046 RMK AO2 SLP313 T01060044 10111 20039 58015 $","temp":10.6,"dewpoint":4.4,"humidity":65,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:54:00.000Z","obsTimeLocal":"2026-10-28T14:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281854Z 07005KT 10SM FEW050 SCT200 BKN250 11/05 A3043 RMK AO2 SLP303 T01060050 $","temp":10.6,"dewpoint":5,"humidity":68,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T19:54:00.000Z","obsTimeLocal":"2026-10-28T15:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 281954Z 10004KT 10SM FEW050 SCT200 BKN250 11/04 A3042 RMK AO2 SLP300 T01060044 $","temp":10.6,"dewpoint":4.4,"humidity":65,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T20:54:00.000Z","obsTimeLocal":"2026-10-28T16:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 282054Z 12006KT 10SM FEW120 SCT200 BKN250 10/05 A3041 RMK AO2 SLP296 T01000050 56017 $","temp":10,"dewpoint":5,"humidity":71,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T21:54:00.000Z","obsTimeLocal":"2026-10-28T17:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 282154Z 14005KT 10SM FEW120 SCT200 BKN250 09/06 A3041 RMK AO2 SLP297 T00940056","temp":9.4,"dewpoint":5.6,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T22:54:00.000Z","obsTimeLocal":"2026-10-28T18:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 282254Z 16005KT 10SM SCT200 BKN250 09/06 A3041 RMK AO2 SLP297 T00940056","temp":9.4,"dewpoint":5.6,"humidity":77,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T23:54:00.000Z","obsTimeLocal":"2026-10-28T19:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 282354Z 19005KT 10SM BKN200 BKN250 09/06 A3040 RMK AO2 SLP295 T00890061 10111 20089 58002","temp":8.9,"dewpoint":6.1,"humidity":83,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T00:54:00.000Z","obsTimeLocal":"2026-10-28T20:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290054Z 21005KT 10SM SCT180 SCT250 09/06 A3039 RMK AO2 SLP289 T00890056","temp":8.9,"dewpoint":5.6,"humidity":80,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T01:54:00.000Z","obsTimeLocal":"2026-10-28T21:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290154Z 23009KT 10SM FEW200 09/06 A3038 RMK AO2 SLP286 T00940056","temp":9.4,"dewpoint":5.6,"humidity":77,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T02:54:00.000Z","obsTimeLocal":"2026-10-28T22:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290254Z 22010KT 10SM FEW200 10/07 A3036 RMK AO2 SLP281 T01000067 56013","temp":10,"dewpoint":6.7,"humidity":80,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T03:54:00.000Z","obsTimeLocal":"2026-10-28T23:54:00-04:00","metarType":"METAR","raw":"METAR KBOS 290354Z 22008KT 10SM FEW250 09/07 A3034 RMK AO2 SLP274 T00940067","temp":9.4,"dewpoint":6.7,"humidity":83,"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/2026-10-28","json":"https://weathermarket.io/api/station/KBOS/2026-10-28","record":"https://weathermarket.io/api/station/KBOS/2026-10-28?format=record","prev":"https://weathermarket.io/station/KBOS/2026-10-27","next":"https://weathermarket.io/station/KBOS/2026-10-29","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=28&year2=2026&month2=10&day2=30&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=28&hora=4&anof=2026&mesf=10&dayf=29&horaf=3&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}