{"station":{"icao":"KSFO","city":{"slug":"san-francisco","name":"San Francisco","country":"United States"},"timezone":"America/Los_Angeles","lat":37.77,"lon":-122.42,"us":true,"html":"https://weathermarket.io/station/KSFO","json":"https://weathermarket.io/api/station/KSFO","nwsCli":{"html":"https://weathermarket.io/nws-cli/KSFO","json":"https://weathermarket.io/api/nws-cli/KSFO"}},"date":"2026-10-30","window":{"date":"2026-10-30","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-30T07:00:00.000Z","dayEndUtc":"2026-10-31T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":19.4,"tmaxAt":"2026-10-30T19:56:00.000Z","tmin":13.9,"tminAt":"2026-10-30T09:56:00.000Z","tavg":16.1,"humidityMean":71.8,"windMean":3.2,"windMax":7.7,"windMaxAt":"2026-10-30T23:56:00.000Z","precipObservedCount":0,"nObservations":26,"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":"2026-10-30T19:56:00.000Z","obsTimeLocal":"2026-10-30T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301956Z 23009KT 10SM FEW037 BKN120 19/09 A2987 RMK AO2 SLP114 T01940089 $","temp":19.4,"dewpoint":8.9,"humidity":51,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-30T09:56:00.000Z","obsTimeLocal":"2026-10-30T02:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 300956Z 00000KT 10SM FEW049 BKN060 14/11 A2986 RMK AO2 SLP110 T01390111 $","temp":13.9,"dewpoint":11.1,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-30T23:56:00.000Z","obsTimeLocal":"2026-10-30T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 302356Z 28015KT 10SM FEW020 FEW045 SCT150 BKN200 18/09 A2984 RMK AO2 SLP106 T01780094 10200 20167 55002 VISNO $","temp":17.8,"dewpoint":9.4,"humidity":58,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-31T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"bf4dc35ebaee7a92","lastChangedAt":"2026-10-31T06:58:38.471Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSFO/2026-10-30?format=record","status":"anchored","sha256":"4f1e09d5ee1f379a5d03ec7f93c35bf2eb00fc7e4cb21a016b079bd97660208d","revision":"bf4dc35ebaee7a92","flareTxHash":"0x42885942905a25b19717f8fc7857efc220f596fecdf3bd9f5122cee821bb6876","flareBlock":73833169,"anchoredAt":"2026-11-05T21:01:40.919Z","explorer":"https://flare-explorer.flare.network/tx/0x42885942905a25b19717f8fc7857efc220f596fecdf3bd9f5122cee821bb6876","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":26,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-30T19:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-30T09:56:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":19.4,"tmin":13.9,"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":20,"tmin":13.33,"precip":0,"corrected":false,"issuedAt":"2026-10-31T08:29:00.000Z","html":"https://weathermarket.io/nws-cli/KSFO/2026-10-30","json":"https://weathermarket.io/api/nws-cli/KSFO/2026-10-30"},"observations":[{"obsTimeUtc":"2026-10-30T07:56:00.000Z","obsTimeLocal":"2026-10-30T00:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 300756Z 30004KT 10SM SCT049 BKN060 15/12 A2987 RMK AO2 SLP113 T01500117 401890111 $","temp":15,"dewpoint":11.7,"humidity":81,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T08:56:00.000Z","obsTimeLocal":"2026-10-30T01:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 300856Z 29005KT 10SM SCT049 BKN060 14/12 A2986 RMK AO2 SLP112 T01440117 50000 $","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T09:56:00.000Z","obsTimeLocal":"2026-10-30T02:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 300956Z 00000KT 10SM FEW049 BKN060 14/11 A2986 RMK AO2 SLP110 T01390111 $","temp":13.9,"dewpoint":11.1,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T10:56:00.000Z","obsTimeLocal":"2026-10-30T03:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301056Z 00000KT 10SM FEW048 FEW060 14/12 A2985 RMK AO2 SLP108 T01440117 $","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T11:56:00.000Z","obsTimeLocal":"2026-10-30T04:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301156Z 00000KT 10SM FEW048 SCT055 BKN100 14/11 A2985 RMK AO2 SLP108 T01440111 10161 20139 56004 $","temp":14.4,"dewpoint":11.1,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T12:56:00.000Z","obsTimeLocal":"2026-10-30T05:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301256Z 00000KT 10SM SCT045 BKN100 14/11 A2986 RMK AO2 SLP110 T01390111 $","temp":13.9,"dewpoint":11.1,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T13:56:00.000Z","obsTimeLocal":"2026-10-30T06:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301356Z 00000KT 10SM FEW045 BKN100 14/11 A2985 RMK AO2 SLP108 T01440111 $","temp":14.4,"dewpoint":11.1,"humidity":81,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T14:56:00.000Z","obsTimeLocal":"2026-10-30T07:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301456Z 21004KT 10SM FEW045 BKN100 14/12 A2987 RMK AO2 SLP114 T01440117 53006 $","temp":14.4,"dewpoint":11.7,"humidity":84,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T15:56:00.000Z","obsTimeLocal":"2026-10-30T08:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301556Z 17004KT 10SM FEW010 SCT023 BKN030 15/12 A2988 RMK AO2 SLP119 T01500122 $","temp":15,"dewpoint":12.2,"humidity":83,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T16:56:00.000Z","obsTimeLocal":"2026-10-30T09:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301656Z 15003KT 10SM FEW010 SCT023 BKN100 17/12 A2988 RMK AO2 SLP119 T01670117 $","temp":16.7,"dewpoint":11.7,"humidity":72,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:25:00.000Z","obsTimeLocal":"2026-10-30T10:25:00-07:00","metarType":"SPECI","raw":"SPECI KSFO 301725Z 00000KT 10SM FEW010 BKN027 BKN100 17/12 A2988 RMK AO2 T01720117 $","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T17:56:00.000Z","obsTimeLocal":"2026-10-30T10:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301756Z 11004KT 10SM FEW010 BKN029 BKN100 17/12 A2989 RMK AO2 SLP120 T01670122 10172 20139 51006 $","temp":16.7,"dewpoint":12.2,"humidity":75,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:21:00.000Z","obsTimeLocal":"2026-10-30T11:21:00-07:00","metarType":"SPECI","raw":"SPECI KSFO 301821Z VRB03KT 10SM SCT029 BKN100 17/12 A2989 RMK AO2 T01720117 $","temp":17.2,"dewpoint":11.7,"humidity":70,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T18:56:00.000Z","obsTimeLocal":"2026-10-30T11:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301856Z 19007KT 10SM SCT032 BKN100 19/09 A2989 RMK AO2 SLP120 T01890094 $","temp":18.9,"dewpoint":9.4,"humidity":54,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T19:56:00.000Z","obsTimeLocal":"2026-10-30T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 301956Z 23009KT 10SM FEW037 BKN120 19/09 A2987 RMK AO2 SLP114 T01940089 $","temp":19.4,"dewpoint":8.9,"humidity":51,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T20:56:00.000Z","obsTimeLocal":"2026-10-30T13:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 302056Z 27010G19KT 10SM FEW037 SCT120 19/11 A2985 RMK AO2 SLP108 T01940106 58012","temp":19.4,"dewpoint":10.6,"humidity":57,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T21:56:00.000Z","obsTimeLocal":"2026-10-30T14:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 302156Z 28012KT 10SM FEW020 FEW037 SCT150 SCT200 19/10 A2984 RMK AO2 SLP105 T01940100","temp":19.4,"dewpoint":10,"humidity":55,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T22:56:00.000Z","obsTimeLocal":"2026-10-30T15:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 302256Z 26013KT 10SM FEW020 FEW040 SCT150 SCT200 19/09 A2984 RMK AO2 SLP105 T01890094","temp":18.9,"dewpoint":9.4,"humidity":54,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-30T23:56:00.000Z","obsTimeLocal":"2026-10-30T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 302356Z 28015KT 10SM FEW020 FEW045 SCT150 BKN200 18/09 A2984 RMK AO2 SLP106 T01780094 10200 20167 55002 VISNO $","temp":17.8,"dewpoint":9.4,"humidity":58,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T00:56:00.000Z","obsTimeLocal":"2026-10-30T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310056Z 27011KT 10SM FEW020 FEW035 SCT150 BKN200 16/10 A2985 RMK AO2 SLP109 T01610100 $","temp":16.1,"dewpoint":10,"humidity":67,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T01:56:00.000Z","obsTimeLocal":"2026-10-30T18:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310156Z 28012KT 10SM FEW020 FEW150 BKN200 16/11 A2986 RMK AO2 SLP111 T01610106","temp":16.1,"dewpoint":10.6,"humidity":70,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T02:56:00.000Z","obsTimeLocal":"2026-10-30T19:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310256Z 28013KT 10SM FEW014 SCT200 16/11 A2987 RMK AO2 SLP114 T01560111 53008","temp":15.6,"dewpoint":11.1,"humidity":75,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T03:56:00.000Z","obsTimeLocal":"2026-10-30T20:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310356Z 26010KT 10SM FEW200 15/10 A2989 RMK AO2 SLP120 T01500100 $","temp":15,"dewpoint":10,"humidity":72,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T04:56:00.000Z","obsTimeLocal":"2026-10-30T21:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310456Z 27008KT 10SM CLR 15/10 A2989 RMK AO2 SLP122 T01500100 $","temp":15,"dewpoint":10,"humidity":72,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T05:56:00.000Z","obsTimeLocal":"2026-10-30T22:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310556Z 26007KT 10SM CLR 14/10 A2989 RMK AO2 SLP123 T01440100 10172 20144 51008 $","temp":14.4,"dewpoint":10,"humidity":75,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T06:56:00.000Z","obsTimeLocal":"2026-10-30T23:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310656Z 26007KT 10SM CLR 14/10 A2990 RMK AO2 SLP123 T01440100 $","temp":14.4,"dewpoint":10,"humidity":75,"wind":3.6,"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/KSFO/YYYY-MM-DD (HTML) and https://weathermarket.io/api/station/KSFO/YYYY-MM-DD (JSON)."],"citation":"Settlement source: the METAR-derived station-day record for KSFO for the contract date (station-local calendar day), as published at https://weathermarket.io/station/KSFO/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/KSFO/2026-10-30","json":"https://weathermarket.io/api/station/KSFO/2026-10-30","record":"https://weathermarket.io/api/station/KSFO/2026-10-30?format=record","prev":"https://weathermarket.io/station/KSFO/2026-10-29","next":"https://weathermarket.io/station/KSFO/2026-10-31","station":"https://weathermarket.io/station/KSFO","external":{"iem":"https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=SFO&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=KSFO&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=30&hora=7&anof=2026&mesf=10&dayf=31&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSFO"}}}