{"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":"2026-10-04","window":{"date":"2026-10-04","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-04T07:00:00.000Z","dayEndUtc":"2026-10-05T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":27.8,"tmaxAt":"2026-10-04T23:56:00.000Z","tmin":17.8,"tminAt":"2026-10-04T12:56:00.000Z","tavg":21.8,"humidityMean":61.5,"windMean":3.1,"windMax":7.2,"windMaxAt":"2026-10-05T00:56:00.000Z","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":"2026-10-04T23:56:00.000Z","obsTimeLocal":"2026-10-04T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 042356Z 30012KT 10SM SCT180 BKN200 28/12 A2985 RMK AO2 SLP107 T02780117 10283 20222 56005 $","temp":27.8,"dewpoint":11.7,"humidity":37,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-04T12:56:00.000Z","obsTimeLocal":"2026-10-04T05:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041256Z 22003KT 10SM SCT150 18/14 A2986 RMK AO2 SLP111 T01780139","temp":17.8,"dewpoint":13.9,"humidity":78,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-05T00:56:00.000Z","obsTimeLocal":"2026-10-04T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050056Z 30014KT 10SM SCT180 26/11 A2985 RMK AO2 SLP109 T02610111 $","temp":26.1,"dewpoint":11.1,"humidity":39,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-10-05T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"7291788b3cbe3502","lastChangedAt":"2026-10-05T06:59:38.740Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSFO/2026-10-04?format=record","status":"anchored","sha256":"488e93c7f40b70ba07698c5b70bcf54d3661898a899e59549a5c2db5932694a9","revision":"7291788b3cbe3502","flareTxHash":"0x639f69347149db1a7f606eeefbd14e864ff089ca2449223ca90c71d7f0b5aed2","flareBlock":71370167,"anchoredAt":"2026-10-05T10:01:37.552Z","explorer":"https://flare-explorer.flare.network/tx/0x639f69347149db1a7f606eeefbd14e864ff089ca2449223ca90c71d7f0b5aed2","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":"2026-10-04T23:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-04T12:56:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":27.8,"tmin":17.8,"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":28.33,"tmin":17.78,"precip":0,"corrected":false,"issuedAt":"2026-10-05T08:35:00.000Z","html":"https://weathermarket.io/nws-cli/KSFO/2026-10-04","json":"https://weathermarket.io/api/nws-cli/KSFO/2026-10-04"},"observations":[{"obsTimeUtc":"2026-10-04T07:56:00.000Z","obsTimeLocal":"2026-10-04T00:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 040756Z 29005KT 10SM SCT200 20/12 A2985 RMK AO2 SLP106 T02000122 403220150","temp":20,"dewpoint":12.2,"humidity":61,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T08:56:00.000Z","obsTimeLocal":"2026-10-04T01:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 040856Z 29003KT 10SM BKN200 19/13 A2985 RMK AO2 SLP108 T01940128 51007","temp":19.4,"dewpoint":12.8,"humidity":66,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T09:56:00.000Z","obsTimeLocal":"2026-10-04T02:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 040956Z 28005KT 10SM SCT200 19/13 A2985 RMK AO2 SLP108 T01890133","temp":18.9,"dewpoint":13.3,"humidity":70,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T10:56:00.000Z","obsTimeLocal":"2026-10-04T03:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041056Z 00000KT 10SM SCT150 18/13 A2985 RMK AO2 SLP108 T01830133","temp":18.3,"dewpoint":13.3,"humidity":73,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T11:56:00.000Z","obsTimeLocal":"2026-10-04T04:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041156Z 00000KT 10SM FEW150 18/14 A2985 RMK AO2 SLP107 T01830139 10239 20183 58001","temp":18.3,"dewpoint":13.9,"humidity":76,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T12:56:00.000Z","obsTimeLocal":"2026-10-04T05:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041256Z 22003KT 10SM SCT150 18/14 A2986 RMK AO2 SLP111 T01780139","temp":17.8,"dewpoint":13.9,"humidity":78,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T13:56:00.000Z","obsTimeLocal":"2026-10-04T06:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041356Z 00000KT 10SM FEW170 BKN200 19/13 A2987 RMK AO2 SLP115 T01890128","temp":18.9,"dewpoint":12.8,"humidity":68,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T14:56:00.000Z","obsTimeLocal":"2026-10-04T07:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041456Z 00000KT 10SM FEW170 BKN200 19/16 A2989 RMK AO2 SLP120 T01940156 53014","temp":19.4,"dewpoint":15.6,"humidity":79,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T15:56:00.000Z","obsTimeLocal":"2026-10-04T08:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041556Z 00000KT 10SM FEW170 BKN200 20/14 A2990 RMK AO2 SLP124 T02000139","temp":20,"dewpoint":13.9,"humidity":68,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T16:56:00.000Z","obsTimeLocal":"2026-10-04T09:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041656Z 00000KT 10SM FEW180 BKN200 23/15 A2990 RMK AO2 SLP124 T02280150","temp":22.8,"dewpoint":15,"humidity":61,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T17:56:00.000Z","obsTimeLocal":"2026-10-04T10:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041756Z 08003KT 10SM FEW180 BKN200 22/17 A2990 RMK AO2 SLP124 T02220172 10233 20178 50003","temp":22.2,"dewpoint":17.2,"humidity":73,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T18:56:00.000Z","obsTimeLocal":"2026-10-04T11:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041856Z 06003KT 10SM FEW180 BKN200 22/17 A2989 RMK AO2 SLP122 T02220167 $","temp":22.2,"dewpoint":16.7,"humidity":71,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T19:56:00.000Z","obsTimeLocal":"2026-10-04T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 041956Z 03004KT 10SM FEW180 BKN200 24/17 A2988 RMK AO2 SLP116 T02390167 $","temp":23.9,"dewpoint":16.7,"humidity":64,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T20:56:00.000Z","obsTimeLocal":"2026-10-04T13:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 042056Z 30009KT 10SM BKN200 27/13 A2986 RMK AO2 SLP112 T02720133 58012 $","temp":27.2,"dewpoint":13.3,"humidity":42,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T21:56:00.000Z","obsTimeLocal":"2026-10-04T14:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 042156Z 30012KT 10SM SCT180 BKN200 26/13 A2985 RMK AO2 SLP109 T02560133 $","temp":25.6,"dewpoint":13.3,"humidity":47,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T22:56:00.000Z","obsTimeLocal":"2026-10-04T15:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 042256Z 30012KT 10SM BKN180 BKN200 27/13 A2985 RMK AO2 SLP107 T02670128 $","temp":26.7,"dewpoint":12.8,"humidity":42,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-04T23:56:00.000Z","obsTimeLocal":"2026-10-04T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 042356Z 30012KT 10SM SCT180 BKN200 28/12 A2985 RMK AO2 SLP107 T02780117 10283 20222 56005 $","temp":27.8,"dewpoint":11.7,"humidity":37,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T00:56:00.000Z","obsTimeLocal":"2026-10-04T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050056Z 30014KT 10SM SCT180 26/11 A2985 RMK AO2 SLP109 T02610111 $","temp":26.1,"dewpoint":11.1,"humidity":39,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T01:56:00.000Z","obsTimeLocal":"2026-10-04T18:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050156Z 29014KT 10SM FEW180 FEW200 24/12 A2987 RMK AO2 SLP113 T02390122 $","temp":23.9,"dewpoint":12.2,"humidity":48,"wind":7.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T02:56:00.000Z","obsTimeLocal":"2026-10-04T19:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050256Z 29012KT 10SM CLR 23/12 A2988 RMK AO2 SLP119 T02330117 53012 $","temp":23.3,"dewpoint":11.7,"humidity":48,"wind":6.2,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T03:56:00.000Z","obsTimeLocal":"2026-10-04T20:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050356Z 29009KT 10SM CLR 23/11 A2990 RMK AO2 SLP125 T02280111 $","temp":22.8,"dewpoint":11.1,"humidity":48,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T04:56:00.000Z","obsTimeLocal":"2026-10-04T21:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050456Z 30009KT 10SM CLR 19/14 A2992 RMK AO2 SLP131 T01940139 $","temp":19.4,"dewpoint":13.9,"humidity":71,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T05:56:00.000Z","obsTimeLocal":"2026-10-04T22:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050556Z 29009KT 10SM CLR 19/13 A2993 RMK AO2 SLP135 T01890133 10283 20189 51016 $","temp":18.9,"dewpoint":13.3,"humidity":70,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-05T06:56:00.000Z","obsTimeLocal":"2026-10-04T23:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 050656Z 29008KT 10SM FEW180 18/14 A2993 RMK AO2 SLP135 T01830139 $","temp":18.3,"dewpoint":13.9,"humidity":76,"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/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/2026-10-04","json":"https://weathermarket.io/api/station/KSFO/2026-10-04","record":"https://weathermarket.io/api/station/KSFO/2026-10-04?format=record","prev":"https://weathermarket.io/station/KSFO/2026-10-03","next":"https://weathermarket.io/station/KSFO/2026-10-05","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=4&year2=2026&month2=10&day2=6&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=4&hora=7&anof=2026&mesf=10&dayf=5&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSFO"}}}