Station-day record · settlement source
San Francisco · America/Los_Angeles · ← 2026-10-03 · 2026-10-05 → · All dates for KSFO · JSON
METAR KSFO 042356Z 30012KT 10SM SCT180 BKN200 28/12 A2985 RMK AO2 SLP107 T02780117 10283 20222 56005 $
METAR KSFO 041256Z 22003KT 10SM SCT150 18/14 A2986 RMK AO2 SLP111 T01780139
Local day 2026-10-04 03:00 EDT → 2026-10-05 03:00 EDT (24 h, UTC-07:00) · 24 reports · longest gap 60 min
High 83°F (28.33°C) · Low 64°F (17.78°C) · NWS CLI archive
US markets usually settle on the official NWS daily climate value (CLI), which is archived separately; the two values can differ by about a degree and are shown side by side.
final at 2026-10-05 06:00 EDT · correction hold 3 h after local midnight
longest gap 60 min · limit 90 min
SHA-256 488e93c7f40b70ba07698c5b70bcf54d3661898a899e59549a5c2db5932694a9
Transaction 0x639f69347149db1a7f606eeefbd14e864ff089ca2449223ca90c71d7f0b5aed2 · 2026-10-05 06:01 EDT
GET the record bytes, SHA-256 them, and call SnapshotAnchor.isAnchored(sha256) on Flare - the anchored record is the one to settle on
Canonical record bytes (hash these) · SnapshotAnchor 0x2B598129… (chain 14)
good 24 · suspect 0 · bad 0 · High good · Low good
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.
| Time | Type | Temp °C | Dew °C | Wind m/s | Raw report |
|---|---|---|---|---|---|
| 2026-10-04 03:56 EDT | METAR | 20° | 12.2° | 2.6 | METAR KSFO 040756Z 29005KT 10SM SCT200 20/12 A2985 RMK AO2 SLP106 T02000122 403220150 |
| 2026-10-04 04:56 EDT | METAR | 19.4° | 12.8° | 1.5 | METAR KSFO 040856Z 29003KT 10SM BKN200 19/13 A2985 RMK AO2 SLP108 T01940128 51007 |
| 2026-10-04 05:56 EDT | METAR | 18.9° | 13.3° | 2.6 | METAR KSFO 040956Z 28005KT 10SM SCT200 19/13 A2985 RMK AO2 SLP108 T01890133 |
| 2026-10-04 06:56 EDT | METAR | 18.3° | 13.3° | 0 | METAR KSFO 041056Z 00000KT 10SM SCT150 18/13 A2985 RMK AO2 SLP108 T01830133 |
| 2026-10-04 07:56 EDT | METAR | 18.3° | 13.9° | 0 | METAR KSFO 041156Z 00000KT 10SM FEW150 18/14 A2985 RMK AO2 SLP107 T01830139 10239 20183 58001 |
| 2026-10-04 08:56 EDT | METAR | 17.8°min | 13.9° | 1.5 | METAR KSFO 041256Z 22003KT 10SM SCT150 18/14 A2986 RMK AO2 SLP111 T01780139 |
| 2026-10-04 09:56 EDT | METAR | 18.9° | 12.8° | 0 | METAR KSFO 041356Z 00000KT 10SM FEW170 BKN200 19/13 A2987 RMK AO2 SLP115 T01890128 |
| 2026-10-04 10:56 EDT | METAR | 19.4° | 15.6° | 0 | METAR KSFO 041456Z 00000KT 10SM FEW170 BKN200 19/16 A2989 RMK AO2 SLP120 T01940156 53014 |
| 2026-10-04 11:56 EDT | METAR | 20° | 13.9° | 0 | METAR KSFO 041556Z 00000KT 10SM FEW170 BKN200 20/14 A2990 RMK AO2 SLP124 T02000139 |
| 2026-10-04 12:56 EDT | METAR | 22.8° | 15° | 0 | METAR KSFO 041656Z 00000KT 10SM FEW180 BKN200 23/15 A2990 RMK AO2 SLP124 T02280150 |
| 2026-10-04 13:56 EDT | METAR | 22.2° | 17.2° | 1.5 | METAR KSFO 041756Z 08003KT 10SM FEW180 BKN200 22/17 A2990 RMK AO2 SLP124 T02220172 10233 20178 50003 |
| 2026-10-04 14:56 EDT | METAR | 22.2° | 16.7° | 1.5 | METAR KSFO 041856Z 06003KT 10SM FEW180 BKN200 22/17 A2989 RMK AO2 SLP122 T02220167 $ |
| 2026-10-04 15:56 EDT | METAR | 23.9° | 16.7° | 2.1 | METAR KSFO 041956Z 03004KT 10SM FEW180 BKN200 24/17 A2988 RMK AO2 SLP116 T02390167 $ |
| 2026-10-04 16:56 EDT | METAR | 27.2° | 13.3° | 4.6 | METAR KSFO 042056Z 30009KT 10SM BKN200 27/13 A2986 RMK AO2 SLP112 T02720133 58012 $ |
| 2026-10-04 17:56 EDT | METAR | 25.6° | 13.3° | 6.2 | METAR KSFO 042156Z 30012KT 10SM SCT180 BKN200 26/13 A2985 RMK AO2 SLP109 T02560133 $ |
| 2026-10-04 18:56 EDT | METAR | 26.7° | 12.8° | 6.2 | METAR KSFO 042256Z 30012KT 10SM BKN180 BKN200 27/13 A2985 RMK AO2 SLP107 T02670128 $ |
| 2026-10-04 19:56 EDT | METAR | 27.8°max | 11.7° | 6.2 | METAR KSFO 042356Z 30012KT 10SM SCT180 BKN200 28/12 A2985 RMK AO2 SLP107 T02780117 10283 20222 56005 $ |
| 2026-10-04 20:56 EDT | METAR | 26.1° | 11.1° | 7.2 | METAR KSFO 050056Z 30014KT 10SM SCT180 26/11 A2985 RMK AO2 SLP109 T02610111 $ |
| 2026-10-04 21:56 EDT | METAR | 23.9° | 12.2° | 7.2 | METAR KSFO 050156Z 29014KT 10SM FEW180 FEW200 24/12 A2987 RMK AO2 SLP113 T02390122 $ |
| 2026-10-04 22:56 EDT | METAR | 23.3° | 11.7° | 6.2 | METAR KSFO 050256Z 29012KT 10SM CLR 23/12 A2988 RMK AO2 SLP119 T02330117 53012 $ |
| 2026-10-04 23:56 EDT | METAR | 22.8° | 11.1° | 4.6 | METAR KSFO 050356Z 29009KT 10SM CLR 23/11 A2990 RMK AO2 SLP125 T02280111 $ |
| 2026-10-05 00:56 EDT | METAR | 19.4° | 13.9° | 4.6 | METAR KSFO 050456Z 30009KT 10SM CLR 19/14 A2992 RMK AO2 SLP131 T01940139 $ |
| 2026-10-05 01:56 EDT | METAR | 18.9° | 13.3° | 4.6 | METAR KSFO 050556Z 29009KT 10SM CLR 19/13 A2993 RMK AO2 SLP135 T01890133 10283 20189 51016 $ |
| 2026-10-05 02:56 EDT | METAR | 18.3° | 13.9° | 4.1 | METAR KSFO 050656Z 29008KT 10SM FEW180 18/14 A2993 RMK AO2 SLP135 T01830139 $ |
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/2026-10-04 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.
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.
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.
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).