{"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":"2026-10-31","window":{"date":"2026-10-31","timezone":"America/Los_Angeles","dayStartUtc":"2026-10-31T07:00:00.000Z","dayEndUtc":"2026-11-01T07:00:00.000Z","utcOffsetStart":"-07:00","utcOffsetEnd":"-07:00","hours":24},"complete":true,"values":{"tmax":18.3,"tmaxAt":"2026-10-31T19:56:00.000Z","tmin":11.7,"tminAt":"2026-10-31T10:56:00.000Z","tavg":14.4,"humidityMean":71.1,"windMean":2.4,"windMax":6.7,"windMaxAt":"2026-10-31T19:56:00.000Z","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":"2026-10-31T19:56:00.000Z","obsTimeLocal":"2026-10-31T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311956Z 28013KT 10SM FEW019 SCT035 BKN140 18/08 A2990 RMK AO2 SLP124 T01830083 $","temp":18.3,"dewpoint":8.3,"humidity":52,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},"tmin":{"obsTimeUtc":"2026-10-31T10:56:00.000Z","obsTimeLocal":"2026-10-31T03:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311056Z 21003KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP123 T01170089 $","temp":11.7,"dewpoint":8.9,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},"windMax":{"obsTimeUtc":"2026-10-31T19:56:00.000Z","obsTimeLocal":"2026-10-31T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311956Z 28013KT 10SM FEW019 SCT035 BKN140 18/08 A2990 RMK AO2 SLP124 T01830083 $","temp":18.3,"dewpoint":8.3,"humidity":52,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null}},"finality":{"status":"final","finalAt":"2026-11-01T10:00:00.000Z","settleable":true,"coverage":{"ok":true,"maxGapMinutes":60,"normalIntervalMin":60,"thresholdMinutes":90},"reasons":[],"holdHours":3},"revision":"73ca0447175f659d","lastChangedAt":"2026-11-01T06:59:38.199Z","corrections":[],"anchor":{"contract":"0x2B59812947B48B5988FaA805a9514a5162415091","chainId":14,"record":"https://weathermarket.io/api/station/KSFO/2026-10-31?format=record","status":"anchored","sha256":"8672b899fb185dafe231b276c91732aea48e9a7e93db52a5295c7644bcbe3606","revision":"73ca0447175f659d","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":24,"suspect":0,"bad":0,"flagged":[]},"extremes":{"tmax":{"obsTimeUtc":"2026-10-31T19:56:00.000Z","flag":"good","reasons":[]},"tmin":{"obsTimeUtc":"2026-10-31T10:56:00.000Z","flag":"good","reasons":[]},"anyFlagged":false},"excludingBad":{"tmax":18.3,"tmin":11.7,"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":18.33,"tmin":11.67,"precip":1.02,"corrected":false,"issuedAt":"2026-11-01T08:35:00.000Z","html":"https://weathermarket.io/nws-cli/KSFO/2026-10-31","json":"https://weathermarket.io/api/nws-cli/KSFO/2026-10-31"},"observations":[{"obsTimeUtc":"2026-10-31T07:56:00.000Z","obsTimeLocal":"2026-10-31T00:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310756Z 17004KT 10SM FEW200 13/09 A2990 RMK AO2 SLP124 T01330094 402000133 $","temp":13.3,"dewpoint":9.4,"humidity":77,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T08:56:00.000Z","obsTimeLocal":"2026-10-31T01:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310856Z 20005KT 10SM FEW200 12/09 A2990 RMK AO2 SLP125 T01220094 52002 $","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T09:56:00.000Z","obsTimeLocal":"2026-10-31T02:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 310956Z 21005KT 10SM SCT200 12/09 A2990 RMK AO2 SLP125 T01220094 $","temp":12.2,"dewpoint":9.4,"humidity":83,"wind":2.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T10:56:00.000Z","obsTimeLocal":"2026-10-31T03:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311056Z 21003KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP123 T01170089 $","temp":11.7,"dewpoint":8.9,"humidity":83,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T11:56:00.000Z","obsTimeLocal":"2026-10-31T04:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311156Z 00000KT 10SM FEW018 FEW200 12/09 A2990 RMK AO2 SLP126 T01170089 10150 20117 53001 $","temp":11.7,"dewpoint":8.9,"humidity":83,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T12:56:00.000Z","obsTimeLocal":"2026-10-31T05:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311256Z 15003KT 10SM FEW018 BKN200 12/09 A2990 RMK AO2 SLP126 T01220089 $","temp":12.2,"dewpoint":8.9,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T13:56:00.000Z","obsTimeLocal":"2026-10-31T06:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311356Z 18003KT 10SM FEW018 SCT140 BKN200 13/09 A2991 RMK AO2 SLP127 T01280094 $","temp":12.8,"dewpoint":9.4,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T14:56:00.000Z","obsTimeLocal":"2026-10-31T07:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311456Z 19004KT 10SM FEW018 BKN140 BKN180 13/09 A2992 RMK AO2 SLP130 T01280094 53004 $","temp":12.8,"dewpoint":9.4,"humidity":80,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T15:56:00.000Z","obsTimeLocal":"2026-10-31T08:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311556Z 18003KT 10SM FEW019 BKN140 BKN180 14/09 A2992 RMK AO2 SLP133 T01390094 $","temp":13.9,"dewpoint":9.4,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T16:56:00.000Z","obsTimeLocal":"2026-10-31T09:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311656Z 22003KT 10SM FEW019 BKN140 BKN180 15/09 A2993 RMK AO2 SLP133 T01500094 $","temp":15,"dewpoint":9.4,"humidity":69,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T17:56:00.000Z","obsTimeLocal":"2026-10-31T10:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311756Z 02004KT 10SM FEW019 SCT031 BKN170 17/09 A2992 RMK AO2 SLP132 T01720089 10172 20117 50001 $","temp":17.2,"dewpoint":8.9,"humidity":58,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T18:56:00.000Z","obsTimeLocal":"2026-10-31T11:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311856Z COR 00000KT 10SM FEW019 SCT033 BKN140 17/09 A2992 RMK AO2 SLP131 T01720089 $","temp":17.2,"dewpoint":8.9,"humidity":58,"wind":0,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T19:56:00.000Z","obsTimeLocal":"2026-10-31T12:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 311956Z 28013KT 10SM FEW019 SCT035 BKN140 18/08 A2990 RMK AO2 SLP124 T01830083 $","temp":18.3,"dewpoint":8.3,"humidity":52,"wind":6.7,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T20:56:00.000Z","obsTimeLocal":"2026-10-31T13:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 312056Z 29010G16KT 10SM FEW019 SCT035 BKN140 17/08 A2990 RMK AO2 SLP123 T01670083 56008 $","temp":16.7,"dewpoint":8.3,"humidity":58,"wind":5.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T21:56:00.000Z","obsTimeLocal":"2026-10-31T14:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 312156Z 28007KT 10SM FEW025 FEW035 BKN150 BKN200 17/09 A2988 RMK AO2 SLP118 T01670089","temp":16.7,"dewpoint":8.9,"humidity":60,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T22:56:00.000Z","obsTimeLocal":"2026-10-31T15:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 312256Z 31008KT 10SM FEW040 BKN150 BKN180 17/09 A2986 RMK AO2 SLP113 T01670089","temp":16.7,"dewpoint":8.9,"humidity":60,"wind":4.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-10-31T23:56:00.000Z","obsTimeLocal":"2026-10-31T16:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 312356Z 29009KT 10SM FEW043 FEW120 SCT150 BKN180 17/08 A2985 RMK AO2 SLP109 T01670083 10183 20161 56015","temp":16.7,"dewpoint":8.3,"humidity":58,"wind":4.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T00:56:00.000Z","obsTimeLocal":"2026-10-31T17:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010056Z 28007KT 10SM FEW045 SCT120 BKN150 BKN200 16/09 A2985 RMK AO2 SLP108 T01560089","temp":15.6,"dewpoint":8.9,"humidity":64,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T01:56:00.000Z","obsTimeLocal":"2026-10-31T18:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010156Z 30007KT 10SM FEW037 SCT120 BKN200 14/09 A2985 RMK AO2 SLP108 T01440089 $","temp":14.4,"dewpoint":8.9,"humidity":70,"wind":3.6,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T02:56:00.000Z","obsTimeLocal":"2026-10-31T19:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010256Z 29004KT 10SM FEW037 BKN110 BKN180 14/09 A2985 RMK AO2 SLP106 T01390089 58002 $","temp":13.9,"dewpoint":8.9,"humidity":72,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T03:56:00.000Z","obsTimeLocal":"2026-10-31T20:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010356Z 20003KT 10SM SCT060 BKN150 BKN180 14/09 A2985 RMK AO2 SLP107 T01390094 $","temp":13.9,"dewpoint":9.4,"humidity":74,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T04:56:00.000Z","obsTimeLocal":"2026-10-31T21:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010456Z 17004KT 10SM FEW060 BKN150 BKN180 14/09 A2985 RMK AO2 SLP109 T01390094 $","temp":13.9,"dewpoint":9.4,"humidity":74,"wind":2.1,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T05:56:00.000Z","obsTimeLocal":"2026-10-31T22:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010556Z 21003KT 10SM SCT085 SCT110 BKN180 13/09 A2985 RMK AO2 SLP109 T01280094 10167 20128 50002 $","temp":12.8,"dewpoint":9.4,"humidity":80,"wind":1.5,"precipObserved":false,"correctedAt":null,"originalRaw":null},{"obsTimeUtc":"2026-11-01T06:56:00.000Z","obsTimeLocal":"2026-10-31T23:56:00-07:00","metarType":"METAR","raw":"METAR KSFO 010656Z 00000KT 10SM FEW075 SCT110 SCT180 13/09 A2984 RMK AO2 SLP105 T01330094 $","temp":13.3,"dewpoint":9.4,"humidity":77,"wind":0,"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/2026-10-31","json":"https://weathermarket.io/api/station/KSFO/2026-10-31","record":"https://weathermarket.io/api/station/KSFO/2026-10-31?format=record","prev":"https://weathermarket.io/station/KSFO/2026-10-30","next":"https://weathermarket.io/station/KSFO/2026-11-01","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=31&year2=2026&month2=11&day2=2&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=31&hora=7&anof=2026&mesf=11&dayf=1&horaf=6&minf=59&send=send","awcLive":"https://aviationweather.gov/data/metar/?ids=KSFO"}}}