{"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":"2026-11-12","window":{"date":"2026-11-12","timezone":"America/New_York","dayStartUtc":"2026-11-12T05:00:00.000Z","dayEndUtc":"2026-11-13T05:00:00.000Z","utcOffsetStart":"-05:00","utcOffsetEnd":"-05:00","hours":24},"complete":true,"values":{"tmax":11.7,"tmaxAt":"2026-11-12T16:54:00.000Z","tmin":7.8,"tminAt":"2026-11-13T04:21:00.000Z","tavg":10.2,"humidityMean":79.4,"windMean":4.9,"windMax":10.3,"windMaxAt":"2026-11-13T04:21:00.000Z","precipObservedCount":6,"nObservations":28,"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":"2026-11-12T16:54:00.000Z","obsTimeLocal":"2026-11-12T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121654Z 10006KT 10SM FEW020 FEW055 OVC090 12/08 A2969 RMK AO2 SLP053 T01170078","temp":11.7,"dewpoint":7.8,"humidity":77,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-11-13T04:21:00.000Z","obsTimeLocal":"2026-11-12T23:21:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 130421Z 08020KT 9SM -RA FEW011 BKN030 OVC036 08/06 A2952 RMK AO2 PK WND 09028/0400 P0000 T00780056","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":10.3,"precipObserved":true,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-11-13T04:21:00.000Z","obsTimeLocal":"2026-11-12T23:21:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 130421Z 08020KT 9SM -RA FEW011 BKN030 OVC036 08/06 A2952 RMK AO2 PK WND 09028/0400 P0000 T00780056","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":10.3,"precipObserved":true,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-13T08:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"fd06f113eb61140f","lastChangedAt":"2026-11-13T04:57:39.034Z","corrections":[{"obsTimeUtc":"2026-11-12T23:54:00.000Z","correctedAt":"2026-11-13T00:01:38.402Z","original":"METAR KBOS 122354Z 10SM -RA SCT015 BKN022 OVC030 09/07 A2959 RMK AO2 RAB46 SLP020 P0000 60000 T00890067 10117 20089 56006","corrected":"METAR KBOS 122354Z COR 09014KT 10SM -RA SCT015 BKN022 OVC030 09/07 A2959 RMK AO2 RAB46 SLP020 P0000 60000 T00890067 10117 20089 56006"}],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KBOS/2026-11-12?format=record","status":"anchored","sha256":"818c880788b596bb085e4eb236c9083f4bc1523d0332e8b3e7678884227d7fa6","revision":"fd06f113eb61140f","flareTxHash":"0x988acb19e49ad21ccbc4d0ddd54999f4331ccd7b2bfe2aa11cce14dd999916a3","flareBlock":74422149,"anchoredAt":"2026-11-13T08:01:20.629Z","explorer":"https://flare-explorer.flare.network/tx/0x988acb19e49ad21ccbc4d0ddd54999f4331ccd7b2bfe2aa11cce14dd999916a3","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":28,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-11-12T16:54:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-11-13T04:21:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":11.7,"tmin":7.8,"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":7.78,"precip":1.02,"corrected":false,"issuedAt":"2026-11-13T05:25:00.000Z","html":"https://weathermarket.io/nws-cli/KBOS/2026-11-12","json":"https://weathermarket.io/api/nws-cli/KBOS/2026-11-12"},"observations":[{"obsTimeUtc":"2026-11-12T05:54:00.000Z","obsTimeLocal":"2026-11-12T00:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120554Z 18003KT 10SM FEW060 BKN110 09/06 A2984 RMK AO2 SLP103 T00940061 10117 20089 56007","temp":9.4,"dewpoint":6.1,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T06:54:00.000Z","obsTimeLocal":"2026-11-12T01:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120654Z 00000KT 10SM FEW070 OVC090 10/07 A2983 RMK AO2 SLP102 T01000067","temp":10,"dewpoint":6.7,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T07:54:00.000Z","obsTimeLocal":"2026-11-12T02:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120754Z 00000KT 10SM OVC055 09/07 A2982 RMK AO2 SLP097 T00940067","temp":9.4,"dewpoint":6.7,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T08:54:00.000Z","obsTimeLocal":"2026-11-12T03:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120854Z 08005KT 10SM BKN055 OVC075 10/07 A2980 RMK AO2 SLP090 T01000072 58014","temp":10,"dewpoint":7.2,"humidity":83,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T09:54:00.000Z","obsTimeLocal":"2026-11-12T04:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 120954Z 09007KT 10SM SCT065 10/06 A2978 RMK AO2 SLP083 T01000061","temp":10,"dewpoint":6.1,"humidity":77,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T10:54:00.000Z","obsTimeLocal":"2026-11-12T05:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121054Z 13003KT 10SM SCT016 SCT060 BKN140 10/08 A2976 RMK AO2 SLP078 T01000078","temp":10,"dewpoint":7.8,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T11:54:00.000Z","obsTimeLocal":"2026-11-12T06:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121154Z 00000KT 10SM FEW016 SCT140 BKN200 10/08 A2977 RMK AO2 SLP080 T01000083 10106 20089 55010","temp":10,"dewpoint":8.3,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T12:54:00.000Z","obsTimeLocal":"2026-11-12T07:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121254Z 00000KT 10SM FEW016 BKN050 OVC200 11/07 A2977 RMK AO2 SLP081 T01110072","temp":11.1,"dewpoint":7.2,"humidity":77,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T13:54:00.000Z","obsTimeLocal":"2026-11-12T08:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121354Z 11003KT 10SM FEW016 OVC055 11/07 A2976 RMK AO2 SLP077 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T14:54:00.000Z","obsTimeLocal":"2026-11-12T09:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121454Z 13005KT 10SM FEW016 OVC060 11/07 A2974 RMK AO2 SLP069 T01060072 58011","temp":10.6,"dewpoint":7.2,"humidity":79,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T15:54:00.000Z","obsTimeLocal":"2026-11-12T10:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121554Z 00000KT 10SM FEW015 FEW050 OVC090 11/08 A2973 RMK AO2 SLP066 T01110078","temp":11.1,"dewpoint":7.8,"humidity":80,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T16:54:00.000Z","obsTimeLocal":"2026-11-12T11:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121654Z 10006KT 10SM FEW020 FEW055 OVC090 12/08 A2969 RMK AO2 SLP053 T01170078","temp":11.7,"dewpoint":7.8,"humidity":77,"wind":3.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T17:54:00.000Z","obsTimeLocal":"2026-11-12T12:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121754Z 10009KT 10SM FEW018 FEW050 OVC085 12/08 A2967 RMK AO2 SLP045 T01170078 10117 20100 58024","temp":11.7,"dewpoint":7.8,"humidity":77,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T18:54:00.000Z","obsTimeLocal":"2026-11-12T13:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121854Z 10009KT 10SM FEW018 SCT060 OVC080 12/07 A2965 RMK AO2 SLP038 T01170067","temp":11.7,"dewpoint":6.7,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T19:54:00.000Z","obsTimeLocal":"2026-11-12T14:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 121954Z 08011KT 10SM FEW026 FEW055 OVC095 11/07 A2963 RMK AO2 SLP032 T01110067","temp":11.1,"dewpoint":6.7,"humidity":74,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T20:54:00.000Z","obsTimeLocal":"2026-11-12T15:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 122054Z 07013KT 10SM FEW025 BKN100 OVC140 11/07 A2961 RMK AO2 SLP026 T01110067 56019","temp":11.1,"dewpoint":6.7,"humidity":74,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T21:54:00.000Z","obsTimeLocal":"2026-11-12T16:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 122154Z 07012KT 10SM FEW025 SCT100 OVC140 11/06 A2960 RMK AO2 SLP024 T01110061","temp":11.1,"dewpoint":6.1,"humidity":71,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T22:54:00.000Z","obsTimeLocal":"2026-11-12T17:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 122254Z 07013KT 10SM FEW026 BKN031 OVC120 11/07 A2959 RMK AO2 SLP020 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T23:32:00.000Z","obsTimeLocal":"2026-11-12T18:32:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 122332Z 06012KT 10SM BKN026 BKN032 OVC110 11/07 A2959 RMK AO2 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-12T23:54:00.000Z","obsTimeLocal":"2026-11-12T18:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 122354Z COR 09014KT 10SM -RA SCT015 BKN022 OVC030 09/07 A2959 RMK AO2 RAB46 SLP020 P0000 60000 T00890067 10117 20089 56006","temp":8.9,"dewpoint":6.7,"humidity":86,"wind":7.2,"precipObserved":true,"correctedAt":"2026-11-13T00:01:38.402Z","originalRaw":"METAR KBOS 122354Z 10SM -RA SCT015 BKN022 OVC030 09/07 A2959 RMK AO2 RAB46 SLP020 P0000 60000 T00890067 10117 20089 56006"},{"obsTimeUtc":"2026-11-13T00:20:00.000Z","obsTimeLocal":"2026-11-12T19:20:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 130020Z 08016KT 10SM SCT016 BKN021 OVC042 11/07 A2957 RMK AO2 RAE03 P0000 T01060072","temp":10.6,"dewpoint":7.2,"humidity":79,"wind":8.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T00:31:00.000Z","obsTimeLocal":"2026-11-12T19:31:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 130031Z 08018KT 10SM SCT018 BKN042 OVC100 11/07 A2958 RMK AO2 RAE03 P0000 T01060067","temp":10.6,"dewpoint":6.7,"humidity":77,"wind":9.3,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T00:54:00.000Z","obsTimeLocal":"2026-11-12T19:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 130054Z 08017G26KT 10SMSM SCT020 BKN040 OVC090 11/06 A2957 RMK AO2 PK WND 07026/0045 RAE03 SLP013 P0000 T01060061","temp":10.6,"dewpoint":6.1,"humidity":74,"wind":8.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T01:54:00.000Z","obsTimeLocal":"2026-11-12T20:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 130154Z 07019G26KT 10SM -RA FEW041 OVC050 10/05 A2956 RMK AO2 PK WND 06026/0153 RAB25 SLP009 P0000 T01000050","temp":10,"dewpoint":5,"humidity":71,"wind":9.8,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T02:54:00.000Z","obsTimeLocal":"2026-11-12T21:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 130254Z 07016G26KT 10SM -RA SCT031 BKN038 OVC060 08/06 A2953 RMK AO2 PK WND 08033/0211 SLP000 P0002 60002 T00830061 58020","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":8.2,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T03:54:00.000Z","obsTimeLocal":"2026-11-12T22:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 130354Z 08017G26KT 8SM -RA FEW013 BKN028 OVC040 08/06 A2952 RMK AO2 PK WND 07029/0259 SLP996 P0001 T00830061","temp":8.3,"dewpoint":6.1,"humidity":86,"wind":8.7,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T04:21:00.000Z","obsTimeLocal":"2026-11-12T23:21:00-05:00","metarType":"SPECI","raw":"SPECI KBOS 130421Z 08020KT 9SM -RA FEW011 BKN030 OVC036 08/06 A2952 RMK AO2 PK WND 09028/0400 P0000 T00780056","temp":7.8,"dewpoint":5.6,"humidity":86,"wind":10.3,"precipObserved":true,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-13T04:54:00.000Z","obsTimeLocal":"2026-11-12T23:54:00-05:00","metarType":"METAR","raw":"METAR KBOS 130454Z 08019KT 10SM -RA SCT013 BKN026 OVC032 08/06 A2952 RMK AO2 PK WND 10029/0439 CIG 021 E SLP997 P0001 T00780061 401170078","temp":7.8,"dewpoint":6.1,"humidity":89,"wind":9.8,"precipObserved":true,"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/2026-11-12","json":"https://weathermarket.io/api/station/KBOS/2026-11-12","record":"https://weathermarket.io/api/station/KBOS/2026-11-12?format=record","prev":"https://weathermarket.io/station/KBOS/2026-11-11","next":"https://weathermarket.io/station/KBOS/2026-11-13","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=12&year2=2026&month2=11&day2=14&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=12&hora=5&anof=2026&mesf=11&dayf=13&horaf=4&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KBOS"}}}