{"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":"2026-10-28","window":{"date":"2026-10-28","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-28T07:00:00.000Z","dayEndUtc":"2026-10-29T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":20.6,"tmaxAt":"2026-10-28T21:56:00.000Z","tmin":10.6,"tminAt":"2026-10-28T11:40:00.000Z","tavg":14.4,"humidityMean":72,"windMean":2.6,"windMax":7.7,"windMaxAt":"2026-10-29T00:56:00.000Z","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":"2026-10-28T21:56:00.000Z","obsTimeLocal":"2026-10-28T14:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 282156Z 29009KT 10SM SCT200 21/08 A2998 RMK AO2 SLP151 T02060078 $","temp":20.6,"dewpoint":7.8,"humidity":44,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-28T11:40:00.000Z","obsTimeLocal":"2026-10-28T04:40:00-07:00","metarType":"SPECI","raw":"SPECI KSFO 281140Z 23004KT 10SM BKN015 11/09 A3001 RMK AO2 T01060089 $","temp":10.6,"dewpoint":8.9,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-29T00:56:00.000Z","obsTimeLocal":"2026-10-28T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290056Z 29015KT 10SM SCT180 BKN200 17/10 A2995 RMK AO2 SLP143 T01670100 $","temp":16.7,"dewpoint":10,"humidity":65,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-29T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"0ca0092fde7b2477","lastChangedAt":"2026-10-29T06:59:38.590Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSFO/2026-10-28?format=record","status":"anchored","sha256":"2be7850bae2f30170a42ad6531d05fd4d6a3f6bba85c6c45ef8467bc231b0314","revision":"0ca0092fde7b2477","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":"2026-10-28T21:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-28T11:40:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":20.6,"tmin":10.6,"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":20.56,"tmin":10.56,"precip":0,"corrected":false,"issuedAt":"2026-10-29T08:44:00.000Z","html":"https://weathermarket.io/nws-cli/KSFO/2026-10-28","json":"https://weathermarket.io/api/nws-cli/KSFO/2026-10-28"},"observations":[{"obsTimeUtc":"2026-10-28T07:56:00.000Z","obsTimeLocal":"2026-10-28T00:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 280756Z 00000KT 10SM FEW200 13/10 A3001 RMK AO2 SLP161 T01280100 401890128 $","temp":12.8,"dewpoint":10,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T08:56:00.000Z","obsTimeLocal":"2026-10-28T01:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 280856Z 00000KT 10SM FEW200 12/09 A3001 RMK AO2 SLP162 T01220094 55000 $","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T09:56:00.000Z","obsTimeLocal":"2026-10-28T02:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 280956Z 00000KT 10SM FEW200 12/09 A3001 RMK AO2 SLP161 T01170089 $","temp":11.7,"dewpoint":8.9,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T10:56:00.000Z","obsTimeLocal":"2026-10-28T03:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281056Z 00000KT 10SM FEW200 11/09 A3000 RMK AO2 SLP160 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:40:00.000Z","obsTimeLocal":"2026-10-28T04:40:00-07:00","metarType":"SPECI","raw":"SPECI KSFO 281140Z 23004KT 10SM BKN015 11/09 A3001 RMK AO2 T01060089 $","temp":10.6,"dewpoint":8.9,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T11:56:00.000Z","obsTimeLocal":"2026-10-28T04:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281156Z 22004KT 10SM FEW009 BKN015 11/09 A3001 RMK AO2 SLP162 T01110089 10133 20106 55000 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:10:00.000Z","obsTimeLocal":"2026-10-28T05:10:00-07:00","metarType":"SPECI","raw":"SPECI KSFO 281210Z 21003KT 10SM FEW009 SCT014 11/09 A3001 RMK AO2 T01110089 $","temp":11.1,"dewpoint":8.9,"humidity":86,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T12:56:00.000Z","obsTimeLocal":"2026-10-28T05:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281256Z 18004KT 10SM FEW009 SCT200 11/09 A3001 RMK AO2 SLP161 T01110094 $","temp":11.1,"dewpoint":9.4,"humidity":89,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T13:56:00.000Z","obsTimeLocal":"2026-10-28T06:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281356Z 17003KT 10SM FEW009 SCT200 11/09 A3001 RMK AO2 SLP161 T01110094 $","temp":11.1,"dewpoint":9.4,"humidity":89,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T14:56:00.000Z","obsTimeLocal":"2026-10-28T07:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281456Z 00000KT 10SM SCT200 11/09 A3003 RMK AO2 SLP167 T01110094 53005 $","temp":11.1,"dewpoint":9.4,"humidity":89,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T15:56:00.000Z","obsTimeLocal":"2026-10-28T08:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281556Z 18003KT 10SM R28R/2200VP6000FT BKN200 13/10 A3004 RMK AO2 SLP173 T01280100 $","temp":12.8,"dewpoint":10,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T16:56:00.000Z","obsTimeLocal":"2026-10-28T09:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281656Z 00000KT 10SM BKN200 15/11 A3006 RMK AO2 SLP177 T01500106 $","temp":15,"dewpoint":10.6,"humidity":75,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T17:56:00.000Z","obsTimeLocal":"2026-10-28T10:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281756Z 06003KT 10SM SCT200 16/10 A3005 RMK AO2 SLP177 T01560100 10156 20111 50009 $","temp":15.6,"dewpoint":10,"humidity":69,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T18:56:00.000Z","obsTimeLocal":"2026-10-28T11:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281856Z 08003KT 10SM FEW200 16/09 A3005 RMK AO2 SLP175 T01610089 $","temp":16.1,"dewpoint":8.9,"humidity":62,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T19:56:00.000Z","obsTimeLocal":"2026-10-28T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 281956Z 08003KT 10SM FEW200 18/06 A3002 RMK AO2 SLP166 T01780061 $","temp":17.8,"dewpoint":6.1,"humidity":46,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T20:56:00.000Z","obsTimeLocal":"2026-10-28T13:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 282056Z 07003KT 10SM FEW200 18/06 A3000 RMK AO2 SLP157 T01830056 58020 $","temp":18.3,"dewpoint":5.6,"humidity":43,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T21:56:00.000Z","obsTimeLocal":"2026-10-28T14:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 282156Z 29009KT 10SM SCT200 21/08 A2998 RMK AO2 SLP151 T02060078 $","temp":20.6,"dewpoint":7.8,"humidity":44,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T22:56:00.000Z","obsTimeLocal":"2026-10-28T15:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 282256Z 28012KT 10SM BKN200 20/07 A2997 RMK AO2 SLP147 T02000072 $","temp":20,"dewpoint":7.2,"humidity":43,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-28T23:56:00.000Z","obsTimeLocal":"2026-10-28T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 282356Z 30012KT 10SM BKN200 19/08 A2996 RMK AO2 SLP146 T01890078 10206 20156 56012 $","temp":18.9,"dewpoint":7.8,"humidity":48,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T00:56:00.000Z","obsTimeLocal":"2026-10-28T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290056Z 29015KT 10SM SCT180 BKN200 17/10 A2995 RMK AO2 SLP143 T01670100 $","temp":16.7,"dewpoint":10,"humidity":65,"wind":7.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T01:56:00.000Z","obsTimeLocal":"2026-10-28T18:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290156Z 28013G22KT 10SM FEW180 BKN200 16/11 A2996 RMK AO2 SLP143 T01560106 $","temp":15.6,"dewpoint":10.6,"humidity":72,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T02:56:00.000Z","obsTimeLocal":"2026-10-28T19:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290256Z 28011KT 10SM SCT200 16/08 A2996 RMK AO2 SLP145 T01610083 55000 $","temp":16.1,"dewpoint":8.3,"humidity":60,"wind":5.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T03:56:00.000Z","obsTimeLocal":"2026-10-28T20:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290356Z 30009KT 10SM SCT200 15/10 A2996 RMK AO2 SLP146 T01500100 $","temp":15,"dewpoint":10,"humidity":72,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T04:56:00.000Z","obsTimeLocal":"2026-10-28T21:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290456Z 28010KT 10SM BKN200 14/11 A2996 RMK AO2 SLP146 T01440111 $","temp":14.4,"dewpoint":11.1,"humidity":81,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T05:56:00.000Z","obsTimeLocal":"2026-10-28T22:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290556Z 28005KT 10SM BKN200 13/10 A2997 RMK AO2 SLP148 T01330100 10189 20133 53002 $","temp":13.3,"dewpoint":10,"humidity":80,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-29T06:56:00.000Z","obsTimeLocal":"2026-10-28T23:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 290656Z 19003KT 10SM SCT200 14/08 A2996 RMK AO2 SLP144 T01390078 $","temp":13.9,"dewpoint":7.8,"humidity":67,"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/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/2026-10-28","json":"https://weathermarket.io/api/station/KSFO/2026-10-28","record":"https://weathermarket.io/api/station/KSFO/2026-10-28?format=record","prev":"https://weathermarket.io/station/KSFO/2026-10-27","next":"https://weathermarket.io/station/KSFO/2026-10-29","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=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=KSFO&tipo=SA&ord=REV&nil=SI&fmt=html&ano=2026&mes=10&day=28&hora=7&anof=2026&mesf=10&dayf=29&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSFO"}}}